9800gtx+ / PSU issue

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player587

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#1 player587
Member since 2005 • 97 Posts
Hi everyone. Recently I bought a geforce 9800gtx+ to upgrade from my 7900gs. Oddly, i can't notice almost any changes in the performance! Should'nt the 9800gtx+ be a lot faster than the 7900gs? I tried games like world in conflict and assassins credd that i had played before with the old gpu and i can only detect some minor improvements. My pc has: 3ghz pentium4, 1 gb of ram, windows xp and a 300 watss PSU. I know i should have a better psu, i'm getting one as soon as possible, but is the low performance only due to the weak psu or could it be something else? I've already installed the latest video drivers from nvidia.
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Captain__Tripps

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#2 Captain__Tripps
Member since 2006 • 4523 Posts
Hi everyone. Recently I bought a geforce 9800gtx+ to upgrade from my 7900gs. Oddly, i can't notice almost any changes in the performance! Should'nt the 9800gtx+ be a lot faster than the 7900gs? I tried games like world in conflict and assassins credd that i had played before with the old gpu and i can only detect some minor improvements. My pc has: 3ghz pentium4, 1 gb of ram, windows xp and a 300 watss PSU. I know i should have a better psu, i'm getting one as soon as possible, but is the low performance only due to the weak psu or could it be something else? I've already installed the latest video drivers from nvidia.player587
Most likely your CPU is bottlenecking the card, and your 1GB of RAM isn't helping either. While you need a bigger PSU, I kind of doubt its the reason. Usually if you are low on power you will at least be getting some instability/crashes.
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darx55

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#3 darx55
Member since 2008 • 1528 Posts
[QUOTE="player587"]Hi everyone. Recently I bought a geforce 9800gtx+ to upgrade from my 7900gs. Oddly, i can't notice almost any changes in the performance! Should'nt the 9800gtx+ be a lot faster than the 7900gs? I tried games like world in conflict and assassins credd that i had played before with the old gpu and i can only detect some minor improvements. My pc has: 3ghz pentium4, 1 gb of ram, windows xp and a 300 watss PSU. I know i should have a better psu, i'm getting one as soon as possible, but is the low performance only due to the weak psu or could it be something else? I've already installed the latest video drivers from nvidia.Captain__Tripps
Most likely your CPU is bottlenecking the card, and your 1GB of RAM isn't helping either. While you need a bigger PSU, I kind of doubt its the reason. Usually if you are low on power you will at least be getting some instability/crashes.

True,also,did you erase completley your older drivers before installing the newer ones?that could be causing it too.
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DigitalExile

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#4 DigitalExile
Member since 2008 • 16046 Posts
I was thinking of getting a 9800GTX+ too, but it looks like your CPU and RAM are the problem for sure. currently I have a 2.8Ghz P4 and 1Gb RAM too, and I am upgrading them ASAP (along with my old AGP8X motherboard). Anyway,not knowing much at all, the one thing I learned it that it's no good upgrading things if you're going to have other aspects of yuor set-up letting you down. It's great having a beast under the hood, but not if you don't have any wheels. The last thing could be the PSU. It does seem a bit low. I was told to use a 500W+ for my 7600GS.
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player587

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#5 player587
Member since 2005 • 97 Posts
i had two crashes recently, on the first one the pc just reeboted itslef and on the second one the screen got all pixelated and pink and the windows freezed. On most performance guides having 2gb of ram instead of 1gb doesn't help much, unless you are on windows vista. i tried the frogy demo from nvidia which is to the 8800's gpus and it runs with 2fps. isn't that way to low? the 9800gtx+ should be better than the 8800gtx right?
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#6 debusentel
Member since 2006 • 1792 Posts

I was thinking of getting a 9800GTX+ too, but it looks like your CPU and RAM are the problem for sure. currently I have a 2.8Ghz P4 and 1Gb RAM too, and I am upgrading them ASAP (along with my old AGP8X motherboard). Anyway,not knowing much at all, the one thing I learned it that it's no good upgrading things if you're going to have other aspects of yuor set-up letting you down. It's great having a beast under the hood, but not if you don't have any wheels. The last thing could be the PSU. It does seem a bit low. I was told to use a 500W+ for my 7600GS.DigitalExile

All true BUT I would do the RAM last IMO. The PSU is a pretty important part that most try to skimp out on.

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debusentel

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#7 debusentel
Member since 2006 • 1792 Posts

i had two crashes recently, on the first one the pc just reeboted itslef and on the second one the screen got all pixelated and pink and the windows freezed. On most performance guides having 2gb of ram instead of 1gb doesn't help much, unless you are on windows vista. i tried the frogy demo from nvidia which is to the 8800's gpus and it runs with 2fps. isn't that way to low? the 9800gtx+ should be better than the 8800gtx right?player587

Those are symptoms of your GPU dieing.

Also , 2G VS 1G on XP in dual-channel is a good help.

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#8 Sordidus
Member since 2008 • 2036 Posts

i had two crashes recently, on the first one the pc just reeboted itslef and on the second one the screen got all pixelated and pink and the windows freezed.player587

Your graphics card it's overheating.

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player587

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#9 player587
Member since 2005 • 97 Posts
no it isn't
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Sordidus

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#10 Sordidus
Member since 2008 • 2036 Posts

no it isn'tplayer587

What are the temps under load?

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player587

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#11 player587
Member since 2005 • 97 Posts
55oC with the froggy demo. If the problem is the power supply, the gpu could be slowing itslef down because of the lack of energy right?
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Captain__Tripps

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#12 Captain__Tripps
Member since 2006 • 4523 Posts
55oC with the froggy demo. If the problem is the power supply, the gpu could be slowing itslef down because of the lack of energy right?player587
I think its more likely that due to your slow CPU would be causing your GPU not to be operating at full capacity and not needing as much power. But your PSU is a problem, and maybe your lack of one is causing performance problems, im not sure how you would prove that though.
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player587

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#13 player587
Member since 2005 • 97 Posts
[QUOTE="player587"]55oC with the froggy demo. If the problem is the power supply, the gpu could be slowing itslef down because of the lack of energy right?Captain__Tripps
I think its more likely that due to your slow CPU would be causing your GPU not to be operating at full capacity and not needing as much power. But your PSU is a problem, and maybe your lack of one is causing performance problems, im not sure how you would prove that though.

but how can a 3ghz cpu slow down the gpu so badly? with all settings maxed out, when playing assassins creed i get 15, sometimes 20 fps when crusing around the city , when playing world in conflict i get an average of 20fps, with the froggy demo which should run smootlhy i only get 2 fps! i'm about to try cod4
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#14 Captain__Tripps
Member since 2006 • 4523 Posts
Not sure about the froggy demo, sounds like there is some other problem. What is your frame rate in those other games if you lower the settings and resolution to minimum?
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#15 player587
Member since 2005 • 97 Posts
Not sure about the froggy demo, sounds like there is some other problem. What is your frame rate in those other games if you lower the settings and resolution to minimum?Captain__Tripps
why does that matter? it will probably increase. right now i can't test that
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#16 Captain__Tripps
Member since 2006 • 4523 Posts
[QUOTE="Captain__Tripps"]Not sure about the froggy demo, sounds like there is some other problem. What is your frame rate in those other games if you lower the settings and resolution to minimum?player587
why does that matter? it will probably increase. right now i can't test that

That is supposed to tell you what your maximum frame rate would be able to be. IE You will be CPU limited. If your still at 20fps, your graphics card isn't going to help increase FPS, only keep the same fps at greater res/settings. That is my understanding anyway...
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#17 player587
Member since 2005 • 97 Posts
[QUOTE="player587"][QUOTE="Captain__Tripps"]Not sure about the froggy demo, sounds like there is some other problem. What is your frame rate in those other games if you lower the settings and resolution to minimum?Captain__Tripps
why does that matter? it will probably increase. right now i can't test that

That is supposed to tell you what your maximum frame rate would be able to be. IE You will be CPU limited. If your still at 20fps, your graphics card isn't going to help increase FPS, only keep the same fps at greater res/settings. That is my understanding anyway...

i lowered all the settings and the resolution to minimum and i got kind of the same frame rate, i guess you're right...
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#18 player587
Member since 2005 • 97 Posts
[QUOTE="Captain__Tripps"][QUOTE="player587"] why does that matter? it will probably increase. right now i can't test thatplayer587
That is supposed to tell you what your maximum frame rate would be able to be. IE You will be CPU limited. If your still at 20fps, your graphics card isn't going to help increase FPS, only keep the same fps at greater res/settings. That is my understanding anyway...

i lowered all the settings and the resolution to minimum and i got kind of the same frame rate, i guess you're right...

i tried with assassins creed
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Captain__Tripps

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#19 Captain__Tripps
Member since 2006 • 4523 Posts
[QUOTE="player587"][QUOTE="Captain__Tripps"] That is supposed to tell you what your maximum frame rate would be able to be. IE You will be CPU limited. If your still at 20fps, your graphics card isn't going to help increase FPS, only keep the same fps at greater res/settings. That is my understanding anyway...player587
i lowered all the settings and the resolution to minimum and i got kind of the same frame rate, i guess you're right...

i tried with assassins creed

AC is not the most optimized port, and WiC I believe is fairly CPU heavy too... The better gfx card probably will help with less CPU demanding titles, but you need a new one regardless.
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#20 player587
Member since 2005 • 97 Posts
[QUOTE="player587"][QUOTE="player587"] i lowered all the settings and the resolution to minimum and i got kind of the same frame rate, i guess you're right... Captain__Tripps
i tried with assassins creed

AC is not the most optimized port, and WiC I believe is fairly CPU heavy too... The better gfx card probably will help with less CPU demanding titles, but you need a new one regardless.

thanks for the help, but what about the awfull performance with froggy demo? it's suposed to be optimized to nvidia cards and should not be cpu demanding since it's purpose is to show off the gpu capabilitys right? i tried the geoforms demo and it works fine with all maxed out, better than before.
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wolfdogelite

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#21 wolfdogelite
Member since 2008 • 495 Posts
ffirst, even in windows xp, 1 gig of ram isnt enough for most games now, second just because you have a 3ghz cpu, doesnt make it as good as any other 3ghz cpu, no offense but you need to understand that the old p4 architecture is outdated and im suprised the you were able to get a good frame rate at all with any of those games, so there is a point to this though, it sucks but you need (1) a new cpu, anything dual core will do, (2) you need at least one more gig of ram, thats not a big deal, ram is really cheap, (3) you need a more powerful psu, although it is working now, it isnt good to push a weak psu like that, they arent that much, honestly you could get everything you need to fix your comp for under $200, and that will be able to play games no problem