Guild Wars 2

Good afternoon.

My current rig;

Windows 7 professional 32 bit ( Yes i know….32 bit )
Intel core 2 duo E8400 3.0ghz
7750hd 1gb
4gb ram
320w custom hp power supply ( no 6 pin cable/molex )

I am planning on upgrading the 7750HD for the new 750 GTX ti. Will my psu handle it? if so will i get a noticeable fps increase, or will my processor bottleneck the hell out of it?. I usually play with everything maxed but reflections, medium textures and no high res characters @ 20~40 fps pve.

Thanks a lot in advance! have a nice day.

Depending on the power usage of your other components but at this given moment, I would say no.
You’d want a 430 watt power supply and then it could power a GTX 750 TI. However, you’d also want to consider the CPU would at that point hold it back. You could hunt around on ebay and find an Intel Core 2 Quad Q6600 or something and drop that in if it supports it.
Why I recommend checking ebay or other sites is because you can probably find one for fairly cheap. No loss and if it doesn’t work you can resell it.

The low profile 7750’s can even run on a oem 250w slim form and have the same power usage. If you can run a 7750 on that psu then you can run a 750ti, the total power draw is similar. max system power draw is like 180w at load with the card pulling ~6 (60w) amps from the 12v rail.

To consider bottlenecks, get gpuz/evga precision/msi afterburner and see if your gpu usage is hitting 99% while you play the game. If it’s not maxing out, then upgrading your card will do nothing.

If your 7750 is indeed being maxed then the 750ti will be a huge upgrade. While your cpu will be underpowered, if you turn down the cpu intensive settings (character model limit, reflections, shadows) you will a big fps boost while solo with the new card. In large groups you fps might increase by a few, but thats cpu dependent. The oc’ed 750ti’s perform similar to 660’s which should get 50-60@1080p with everything high (other than the previously mentioned settings). But your mileage may vary.

However, at current prices for the 750ti you could possibly invest in a $20 psu like the cx 430 and use a r7 265 for a similar cost which should give you better performance.

First of all, turn the settings down as dodgycookies said, even if you don’t upgrade. Secondly, 750 Ti has 5 watts higher power usage but double the performance. You could underclock it 20% and still it would perform better. That being said, new PSU costs 40 to 50 bucks, not too much for peace of mind. Lastly, as dodgycookies suggested, check your GPU usage while playing the game. If it’s not 99% then your CPU is bottlenecking and this upgrade gives you nothing.

The GPU load is ranging from 70~90% and the CPU usage is at 88%, sadly i cant upgrade the psu since the motherboard seems custom and doesnt have a 20+4 pin power connector ( 1 year or 2 ago i bought a 6850hd and a 500w psu @ Thelmatake and realized i couldn’t use it since the 20+4pin non existent connector) , so i gotta stick to that psu. Thanks a lot for the replies.

Didn’t quite understand now, your mobo does not have 24 pin slot? What does it have?

As far as the upgrade goes, I’d say it gives you little to no benefit.

Well testing Aion, AC4 and Need4Speed Rivals the GPU load was at 99% all the time. Seems like several 6pin/4pin/8pin power connectors…..looks kinda like this.
http://i01.i.aliimg.com/img/pb/946/307/522/522307946_553.jpg

While it should work, that PS is definitely outputting +80% or more of full load and that is not a good place to run constantly…..

All games are different, there you might actually see a performance boost. In GW2 you are bottlenecked elsewhere.

If your motherboard hasn’t got 24 pin but a psu does, it doesn’t mean you have to use it, does it? You’re usually gonna be left with unused cables anyway.

You are stuck with the 7750, I’m Afraid.

That HP’s PSU is limited to a rating of 400W (320W Actual), and there are no options to upgrade that PSU to something with the proper connections and wattage to install a better GPU.

There are hardware hacks I found via Google that explain a way to rewire that 6pin power connector to accept the required pinout from a standard 20+4pin based ATX PSU. But getting the pins in/out of those connectors, then verifying you have the wiring done correctly, so you dont damage your Motherboard, is a huge pain in the *.

Your best bet is to NOT buy another manufactured Desktop and instead build your own. Starting with a Motherboard that will support your existing CPU, Decent Case+PSU, and your upgraded GPU. Then pull the rest of the guts from the HP and put them into your newly built system. Then swiftly put that HP garbage in the trashcan.

In reality, that is your only option.

edit – You need a Motherboard + CPU, do NOT upgrade based on the Core2 Technology. Its not worth the investment, instead build on a Ivy(Socket 1155) or Haswell(Socket 1150) based CPU (even the i3 will be better then your Core2)

Well i already ordered the 750 gtx ti since Dodgy and Loc said it will work, well the PC was a gift so i cant really tell the person who gave me the pc , "Why you gave me such a crappy pc. It actually came with a 4650hd. I am bit uhm…..whats the word….perhaps afraid? of building my own….since I fear I might f it up.

Some of the versions (like asus) of the gtx 750ti have a 6pin connector, while others (msi) are powered only through the pcie connection.

If you buy one that requires a 6pin connector and your psu doesnt have 4pin molex connectors available for the included adapter, you will not be able to power the card.

make sure you buy the correct version. My suggestion would be the msi version as it doesnt have any extra power connectors required. (I’m a msi fan becasue twin frozr is awesome!)

Also i just remembered the 7750 has low profile versions. If you are using a slim form pc, then you will have to wait until a low profile version of the 750ti is released (which im sure they will eventually.)

dodgycookies.4562:

Some of the versions (like asus) of the gtx 750ti have a 6pin connector, while others (msi) are powered only through the pcie connection.

If you buy one that requires a 6pin connector and your psu doesnt have 4pin molex connectors available for the included adapter, you will not be able to power the card.

make sure you buy the correct version. My suggestion would be the msi version as it doesnt have any extra power connectors required. (I’m a msi fan becasue twin frozr is awesome!)

Also i just remembered the 7750 has low profile versions. If you are using a slim form pc, then you will have to wait until a low profile version of the 750ti is released (which im sure they will eventually.)

The issue is, his PSU is 320W. Its a weird form factor based PC. His PSU has no 6pin connectors for the GPU if it needed power. While the 750TI comes in at about 95w, I think thats pushing his PSU with the other components in his system.

Then he has to consider that the Manufacturer put a watt limit on his PCI-E slot (like my e3010 from Dell…the PCI-E slot only gives off 18w of power) And that will NOT let the 750TI link faster then 8×.

He really needs to build a new PC at this point. The current one is just to limiting, and its only a core2.

sirsquishy.8531:

dodgycookies.4562:

Some of the versions (like asus) of the gtx 750ti have a 6pin connector, while others (msi) are powered only through the pcie connection.

If you buy one that requires a 6pin connector and your psu doesnt have 4pin molex connectors available for the included adapter, you will not be able to power the card.

make sure you buy the correct version. My suggestion would be the msi version as it doesnt have any extra power connectors required. (I’m a msi fan becasue twin frozr is awesome!)

Also i just remembered the 7750 has low profile versions. If you are using a slim form pc, then you will have to wait until a low profile version of the 750ti is released (which im sure they will eventually.)

The issue is, his PSU is 320W. Its a weird form factor based PC. His PSU has no 6pin connectors for the GPU if it needed power. While the 750TI comes in at about 95w, I think thats pushing his PSU with the other components in his system.

Then he has to consider that the Manufacturer put a watt limit on his PCI-E slot (like my e3010 from Dell…the PCI-E slot only gives off 18w of power) And that will NOT let the 750TI link faster then 8×.

He really needs to build a new PC at this point. The current one is just to limiting, and its only a core2.

GTX 750 Ti has 60W TDP or am I missing something? Also some models, like EVGA’s doesn’t even seem to have a power connector.

I ordered the EVGA 750 ti non sc. Well for the other components I’ve 4 ddr3 533mhz ram sticks ( I know they’re crappy as hell ), and a 5200rpm hdd so i guess there will be power for the 750 ti.

If lets say the manufacturer put a limit of wattage on the pci slot, is there anyway to lift it? thru the Bios or something?. I dont have 700+ bucks to blow on a new system :S.

Will my 32 bit OS impact negatively in the card performance?

http://www.amazon.com/EVGA-GeForce-Dual-Link-Graphics-02G-P4-3751-KR/dp/B00IDG3PRI/ref=sr_1_7?ie=UTF8&qid=1393017504&sr=8-7&keywords=gtx+750+ti

I dont think that your VGA is a bottleneck to you
First change CPU/Mobo/ram
FX 6300/i5 + normal MB + 4 or 8Gb ram

Then wait until maxwell arrive and get R9 280 or new maxwell and buy new PSU (XFX 550W)

I’ll actually risk it and built my own later this year ( when i get some cash ) but i really hope this ( my current ) system handles the 750 gtx.

I was thinking of something like this:
http://pcpartpicker.com/p/ggXW

locx.6412:

sirsquishy.8531:

dodgycookies.4562:

Some of the versions (like asus) of the gtx 750ti have a 6pin connector, while others (msi) are powered only through the pcie connection.

If you buy one that requires a 6pin connector and your psu doesnt have 4pin molex connectors available for the included adapter, you will not be able to power the card.

make sure you buy the correct version. My suggestion would be the msi version as it doesnt have any extra power connectors required. (I’m a msi fan becasue twin frozr is awesome!)

Also i just remembered the 7750 has low profile versions. If you are using a slim form pc, then you will have to wait until a low profile version of the 750ti is released (which im sure they will eventually.)

The issue is, his PSU is 320W. Its a weird form factor based PC. His PSU has no 6pin connectors for the GPU if it needed power. While the 750TI comes in at about 95w, I think thats pushing his PSU with the other components in his system.

Then he has to consider that the Manufacturer put a watt limit on his PCI-E slot (like my e3010 from Dell…the PCI-E slot only gives off 18w of power) And that will NOT let the 750TI link faster then 8×.

He really needs to build a new PC at this point. The current one is just to limiting, and its only a core2.

GTX 750 Ti has 60W TDP or am I missing something? Also some models, like EVGA’s doesn’t even seem to have a power connector.

Wow, no your right. 60Watt card. I was thinking it was the same wattage as the 650TI (95w-110w). Color me impressed though, 60watts.

Zephyr.9576:

I ordered the EVGA 750 ti non sc. Well for the other components I’ve 4 ddr3 533mhz ram sticks ( I know they’re crappy as hell ), and a 5200rpm hdd so i guess there will be power for the 750 ti.

If lets say the manufacturer put a limit of wattage on the pci slot, is there anyway to lift it? thru the Bios or something?. I dont have 700+ bucks to blow on a new system :S.

Will my 32 bit OS impact negatively in the card performance?

http://www.amazon.com/EVGA-GeForce-Dual-Link-Graphics-02G-P4-3751-KR/dp/B00IDG3PRI/ref=sr_1_7?ie=UTF8&qid=1393017504&sr=8-7&keywords=gtx+750+ti

Do a reinstall on 64bit Windows. Its worth the time investment.

If your PCI-E Slot is wattage limited that’s a hardware issue and cannot be ‘fixed’. Most PCI-E Slots are 35-55w, if you have a 4pin connector on the MB that is dedicated to the PCI-E Brige then your Wattage is 75-110W per PCI-E Slot.

MOST of the small form factor PC’s have their PCI-E Slot set between 18w and 25w and only support the low profile, low wattage cards. You really should consult your Motherboard/System manual for supported GPUs and then look for the supported TDP Wattage table.

And even if you get locked in at 8x, that 750TI is WORLDS better then your HD7750.

sirsquishy.8531:

locx.6412:

sirsquishy.8531:

dodgycookies.4562:

Some of the versions (like asus) of the gtx 750ti have a 6pin connector, while others (msi) are powered only through the pcie connection.

If you buy one that requires a 6pin connector and your psu doesnt have 4pin molex connectors available for the included adapter, you will not be able to power the card.

make sure you buy the correct version. My suggestion would be the msi version as it doesnt have any extra power connectors required. (I’m a msi fan becasue twin frozr is awesome!)

Also i just remembered the 7750 has low profile versions. If you are using a slim form pc, then you will have to wait until a low profile version of the 750ti is released (which im sure they will eventually.)

The issue is, his PSU is 320W. Its a weird form factor based PC. His PSU has no 6pin connectors for the GPU if it needed power. While the 750TI comes in at about 95w, I think thats pushing his PSU with the other components in his system.

Then he has to consider that the Manufacturer put a watt limit on his PCI-E slot (like my e3010 from Dell…the PCI-E slot only gives off 18w of power) And that will NOT let the 750TI link faster then 8×.

He really needs to build a new PC at this point. The current one is just to limiting, and its only a core2.

GTX 750 Ti has 60W TDP or am I missing something? Also some models, like EVGA’s doesn’t even seem to have a power connector.

Wow, no your right. 60Watt card. I was thinking it was the same wattage as the 650TI (95w-110w). Color me impressed though, 60watts.

Yeah, it is about 2x the performance per watt compared to what we’ve had before. I’m eager to see what the 800-series brings.

@OP: The price of 4670K seems to be identical to 3570K so I would build around that at this time (the situation might be different when you’re buying them so better double check before). Also you can settle for a little lesser PSU if you want to cut down on cost, like CX500, especially if you’re going with 750 Ti. Remember to count in the new OS as well.

What you mean locked at 8x? like i wont get the full power of the card? @ x16? and it does have a 4 pin on the mobo.

Yeah i know its a bit of an overkill psu but i was told not to cheap out on the psu.

XFlyingBeeX.2836:

I dont think that your VGA is a bottleneck to you
First change CPU/Mobo/ram
FX 6300/i5 + normal MB + 4 or 8Gb ram

Then wait until maxwell arrive and get R9 280 or new maxwell and buy new PSU (XFX 550W)

His entire system is a bottle neck. The HD7750 (which is SLIGHTLY better then a HD6670), isn’t that good. And while he would gain worlds of performance by upgrading to an i3/i5 over the core2. He doesnt have the cash to drop into a new build right now. So the logical upgrade is to get a card that can be used in a new build (750TI) and go from there.

Zephyr.9576:

What you mean locked at 8x? like i wont get the full power of the card? @ x16? and it does have a 4 pin on the mobo.

Yeah i know its a bit of a overkill psu but i was told not to cheap out on the psu

that 4pin is for the CPU, the 6Pin is for the CPU+MB, you DO NOT have a 4pin for VGA.

If the wattage of the PCI-E Slot is not enough, your PCI-E power management will down lane your card to 8x to conserve power. Saves the card from drawing to much from the slot, which in turn would end up frying your motherboard.

Which is why i said you need to consult your MB’s manual on the subject.

That’s right. But 750 Ti @ 8x is still better than HD7750 @ 16×. Like squish said the 4 pin connector must be dedicated to the PCIe slots, otherwise it doesn’t help on that front.

But look, like I said, 750 Ti @ 8x is still better and you’re gonna be bottlenecked by the rest of your system even then, when you upgrade to a new mobo and PSU this wont be a problem anymore.

EDIT: You’re correct on not to cheap out on the PSU, however it doesn’t mean more watts = better PSU. Both of those PSUs are about the same quality, the other one only produces less watts and is cheaper.

So basically the 750 ti will be downclocked by the mobo? that sucks and dang just because 5 extra watts.

Zephyr.9576:

So basically the 750 ti will be downclocked by the mobo?

No, it will have 8 of its PCI-E Lanes disabled. The Cards Core and Memory Clocks will not be touched (thats actually controlled via the GPU’s BIOS). But depending on how your PSU heats up, you might want to use MSI Afterburner to downclock by 15-20% to keep your consumption under control.

But this is just theory based on what I know of Small form factor :-)

Sadly i cant find anything related to the power management of the Intel q45/q43, I guess ill just have to wait and hope that the pc boots up and the CPUID says x16 ( i know x8 is still agood but i am still aiming for the x16 xD ).

Thank you guys so much for the tips and help I so appreciate it.

Don’t worry too much about it, like we said it won’t bring you any kind of additional fps in GW2 when it’s paired with that system. When you get a proper mobo you’ll be guaranteed to run at 16x (and PCI-E 3.0 too!)

EDIT: Here’s some data for how much the bandwidth actually matters. As you can see, 8x is about 98-99% of 16x

Oh lol, i thought it was like half the performance reduced.

heh, no not at all, just like 4-way SLI doesn’t bring you 4x the performance. And even if it was reduced to half it would still perform better than your 7750, 750 Ti is about 2,2 times faster.

sirsquishy.8531:

XFlyingBeeX.2836:

I dont think that your VGA is a bottleneck to you
First change CPU/Mobo/ram
FX 6300/i5 + normal MB + 4 or 8Gb ram

Then wait until maxwell arrive and get R9 280 or new maxwell and buy new PSU (XFX 550W)

His entire system is a bottle neck. The HD7750 (which is SLIGHTLY better then a HD6670), isn’t that good. And while he would gain worlds of performance by upgrading to an i3/i5 over the core2. He doesnt have the cash to drop into a new build right now. So the logical upgrade is to get a card that can be used in a new build (750TI) and go from there.

You are not right!
7750 is bottlenecked by E8500!
Logical is that he should wait for maxwell (all other cards). He can buy new CPU. Also 7750 is great overclocker you can boost up 30-40% his card

E8500 bottleneck 7750 – true

Change your CPU- if you want nvidia wait for 860 (maxwell) or AMD r9 280 – great for 1080P

Benchmarks!
http://www.tomshardware.com/reviews/guild-wars-2-performance-benchmark,3268-6.html

GTX 750 is wrong choice for this game GET NEW CPU lower some details and wait for price drop. Then get Best P/P card

A few extra points to consider:

On this forum, some people who run 32bit os’s have had issues with 2gb cards as they can cause a out of memory crash for gw2. Theres a few fixes so be sure to look into that.

As for slot compatibility, check what speed your 7750 is running and, your new 750 will most likely run at that speed. nvidia’s gpu boost tech should keep the power levels in the safe zone, though you could install afterburner/precision and set custom power targets to make sure.

finally, as you are moving from an amd to nvidia card, be careful with the drivers. I would uninstall all amd/ati related drivers with driver sweeper in safe mode and then install the new card.

Most of you dont understand that GTX 750 wont be faster than 7750- because CPU is bottlenecking!

Get new PSU
- XFX 450W
- 6300/i5 (maybe i3 4130)
- MB+ 8Gb ram

- this what you should do.

XFlyingBeeX.2836:

sirsquishy.8531:

XFlyingBeeX.2836:

I dont think that your VGA is a bottleneck to you
First change CPU/Mobo/ram
FX 6300/i5 + normal MB + 4 or 8Gb ram

Then wait until maxwell arrive and get R9 280 or new maxwell and buy new PSU (XFX 550W)

His entire system is a bottle neck. The HD7750 (which is SLIGHTLY better then a HD6670), isn’t that good. And while he would gain worlds of performance by upgrading to an i3/i5 over the core2. He doesnt have the cash to drop into a new build right now. So the logical upgrade is to get a card that can be used in a new build (750TI) and go from there.

You are not right!
7750 is bottlenecked by E8500!
Logical is that he should wait for maxwell (all other cards). He can buy new CPU. Also 7750 is great overclocker you can boost up 30-40% his card

E8500 bottleneck 7750 – true

Change your CPU- if you want nvidia wait for 860 (maxwell) or AMD r9 280 – great for 1080P

Benchmarks!
http://www.tomshardware.com/reviews/guild-wars-2-performance-benchmark,3268-6.html

GTX 750 is wrong choice for this game GET NEW CPU lower some details and wait for price drop. Then get Best P/P card

he cannot upgrade the CPU and have it be ‘worth it’. His current system is a Core2. He doesnt have the funds, nor the system to install a newer MB to throw in a better CPU.

So yea, for him, the logical choice is to upgrade the GPU and live with it through a new system build.

And for this thread, your BenchMark link just shows that his 7750 is holding him back. Even at 1280×768 the 7750 can barely hold onto 30FPS. And the Benchmark doesnt even include the 750TI

Here use this;

http://gpuboss.com/gpus/Radeon-HD-7750-vs-GeForce-GTX-750-Ti

So the OP is making the correct choice for his current build to ‘get the most’ out if it until he can build/buy a newer generation system (Ivy/Haswell)

XFlyingBeeX.2836:

Most of you dont understand that GTX 750 wont be faster than 7750- because CPU is bottlenecking!

Get new PSU
- XFX 450W
- 6300/i5 (maybe i3 4130)
- MB+ 8Gb ram

- this what you should do.

True, but not by a large margin. He stated earlier that his GPU is at 70-90% usage while CPU is at 88%. He wont see an increase right now, but when he can fund the whole upgrade he at least has the GPU ready.

BTW, 750 Ti is Maxwell.

Did you ever play this game with E8500 – i had almost same system .
E8500 + 5770 and E8500 was bottlenecking!

These benchmark are old. Drivers already improved it!

Personally- GTX 750 Ti is not that good upgrade from 7750. I know that you have bad PSU and it is time to change that CPU/PSU/RAM/MB

if you get i5 + 4Gb ram + MB – you will be fine at BF4/ crysis 3. Then wait for maxwell 860 series or maybe R9 280 or new AMD GPUs…

@Bee he literally cannot upgrade his system as its mostly proprietary. There isn’t even a 20+4 pin for a psu. Yes he should buy/build a new system, but the op doesn’t want to atm for whatever reason so the discussion is moot.

The 7750 @ medium settings 1080p is slightly limited by that cpu (if you keep the cpu settings at lowest/none ie model limit shadows reflections) . However at high shaders/textures the 7750 cannot keep up. Upgrading his card may not improve fps by a lot, but will allow the op to switch from medium to high shaders and textures or even supersampling as the 750ti is more than twice as fast.

Also the standard 7750 is a strange overclocker as the chip has minimal performance increases until you hit the 1ghz mark, which is only really possible on the versions that have the 6 pin connector for extra power headroom, which the op doesn’t have.

Also suggesting a $400 280x for someone in the $150 market is excessive.

Edit: yes i have tried to play gw2 with that exact build as it was my media center machine until recently.

Look in GW2 GTX 750 Ti is overkill or 7850/R6 265
While problem with other games – new games – Witcher 3/BF4/thief – GTX 750 Ti is no that good card. I am telling him to wait for Better Maxwell! like 860

Get better PSU like XFX 450/550W

7750 in GW2
http://www.youtube.com/watch?v=oN9duBa77is

problem is money
GPU – price drops
CPU – steady price

So after he will buy GTX 750 he will need to replace E8500 with i5? or buy first i5 and then decide, if you need more GPu power?

- I did same mistake went from 5770 to 5870 (now R9 270)

Of course 750 Ti is rather slow on today’s standards as the latest gfx card, but as long as you realize it’s not meant for the ultra markets you’re good to go. It still has plenty of power, you can play Farcry 3 maxed smoothly with it (not 60 fps smooth tho). We don’t know what else the OP is gonna play, 750 Ti was his suggestion so I’m guessing it’s not the most demanding games.

Like that video shows, 7750 isn’t gonna cut it for GW2 on max graphs. 50-60 fps at 900p. 1080p has 44% more pixels, so that’ll translate into 35-42 fps. It will dip lower as well in some scenarios.

It doesn’t matter which one he gets first because both his CPU and GPU are pretty even. Upgrading the other one will only result in a bottleneck. I told him it’s no use for GW2, but at least it’s now over with. And it helps in other games.

Look i know that GTX 750 Ti is much faster…
In GW2 7750 is to strong for E8500 or E8500 is to weak!

First replace CPU because their price is"steady" while GPU can get price drop or new GTX 8** will come soon so….

Why dont you understand! Try it out, set i5 to 2.0GHz as 2 core in bios and try it….

In normal fights (quest with 20 people) E8500 cant manage more than 20 FPS on lowest settings ( 20 FPS and deeps below 5 fps)

I dont really care about 60 fps gaming, i am cool above 25 fps. if ill be able to play gw2 @ higher resolution and supersampling enable at the same fps i am currently getting….its a win for me, hopefully when i get the card ill post a comparison.

Seriously thank you guys so much, for taking your time and helping me out.

@ FlyiginBee, I CANT get a new cpu atm, when i get more cash ill but for now i gotta stick with what i can work with….which is only upgrading the video card.

Yeah i know
- then get more cash

Why? Like i said new Maxwell will arrive – pride drops – while CPu will have steady price

Try do get resolution on min. Try different seting in LA and report it …

hehe

Then just lower your solition on minimum and try it for few min. GPu should be able to give you more than 40 FPS (min)

You can also OC GPu to 1100 or 1150 core clock

XFlyingBeeX.2836:

Try different seting in LA and report it …

LA T_T!

Not sure if i can OC with my crappy psu but hopefully by friday ill get my hands on the 750 ti

The problem is your CPU you will see

7750 use in gaming about 40 W while GTX 750 Ti use about 62-65W.
Even if you would OC 7750 there is now way to use more than 50% power

XFlyingBeeX.2836:

The problem is your CPU you will see

7750 use in gaming about 40 W while GTX 750 Ti use about 62-65W.
Even if you would OC 7750 there is now way to use more than 50% power

Yup, i am wide aware that my cpu is the Achilles tendon of my rig, but I play other games aside from GW2.

Even GTX 750 Ti use no big use for 1080P in other games
But it will be much faster than 7750

What are your setting?

@FlyingBee oh please, did you see the statistics he posted? 90% GPU usage as well as 88% CPU. That’s not a bottleneck yet. I agree 100% that the CPU isn’t adequate but you seem to think it’s significantly weaker than what 7750 needs on its side or maybe that 7750 is stronger than it really is. 750 Ti is 2,2 times faster than it and only 10% slower than GTX 660. It is also 25% faster than HD 7790. Math tells us now that HD 7790 is 80% faster than 7750, which isn’t a secret though.

Also you can’t really say “1080p in other games” there’s a quite HUGE span of games there. Some will be slideshow in 1080p maxed graphics while others will be just fine.

There’s too much to switch out, and that system is not worth upgrading OP.

If I were you, I’d just put together a new system.

Something like this:
Core i5
8GB ram
750ti graphics card
Small SSD drive (these are much much cheaper nowadays)
at the very least, a 400watt “RMS” PSU. If you don’t know what RMS means, just get a generic PSU with about 500-600watts)

From the above, if you want to futureproof your gig, maybe upgrade the CPU to a newer gen i7 and a good PSU. My personal favorite for PSU’s are Zalman and Antec