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Old July 14th, 2007, 15:24   #1
Cheesus
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Question How much of a fps improvement will I get if I OC the GPU?

Im upgrading my graphics card sometime in december, but I don't have the patience to wait for it without any form of improvement... so I figured I should over clock my GPU.

Assuming I do OC my card, do you think there will be a significant speed increase in pcsx2? (If so, how much?) Ill play Downhill Domination (currently bout 15 fps racing), FFX (bout 35-45 fps), FFX-2 (20-45), and FFXII (10-30 fps) most.

I have a Geforce 6600 512mb
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Old July 14th, 2007, 15:32   #2
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cheers.

honestly, it probably wouldnt give you much gain. The clock of those cards usually come as high as is safe unless you have factory OC or a better cooling method. you would probably see marginal gains, if any. Besides, those are decent FPS for that card.

I dont know what system you have but if you are seriously upgrading get an 8800. but remember an 8800 alone wont cut it if you dont have dual core, so really i recommend upgrading your MoBo,RAM,CPU,GPU


edit- now i didnt see your sig had specs embedded in the graphic. ok so you have dual core. your bottleneck is probably your GPU and/or your ram (you dont say what you have) but like i said i dont think OC will help much.

i had a 6800GT that could hit ultra speeds with a copper heat sink and fan mod. My gains were marginal, 3-5 fps not worth it IMO.
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Old July 14th, 2007, 16:08   #3
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I was thinking on getting myself an ATI x1950xt (I can't afford a 8800gts). Oh and I'm going to buy muyself some better RAM sometime next week. I have a 'Corsair Value Select PC667 DDR2 ' running at bout 800 at v1.85. I'm getting 'Corsair XMS2 PC667 DDR2'.

You think I'll see a significant improvement with either nupgrades?
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Old July 14th, 2007, 16:15   #4
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You will only notice an improvement in speed if the game is being limited by your GPU, I notice a nice speed improvement in games like Tekken 4 and RE4 with my GPU overclocked, but nothing in FFX,etc (Other than it running a bit faster with AA levels enabled).
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Old July 14th, 2007, 16:24   #5
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Quote:
Originally Posted by Cheesus View Post
I was thinking on getting myself an ATI x1950xt (I can't afford a 8800gts). Oh and I'm going to buy muyself some better RAM sometime next week. I have a 'Corsair Value Select PC667 DDR2 ' running at bout 800 at v1.85. I'm getting 'Corsair XMS2 PC667 DDR2'.

You think I'll see a significant improvement with either nupgrades?
A better graphics card (or overclocking your old card) will especially help when turning on AA and BF in PCSX2 but it depends on the game. Most games seem to be very CPU limited and some need a good graphics card in addition (e.g. Resident Evil 4). A simple way to find out if your game performance is limited by your graphics card is to enable AA and check whether the fps change or stay the same. As long as there is no difference, a better graphics card won't affect the framerate at all.

As for the RAM upgrade: I wouldn't do it, except your old RAM holds your CPU back for more overclocking. Beside the overclocking effect, the RAM clock rate or timings makes very little difference for a Core 2 Duo system. So if you aren't a hardcore overclocker, you don't need "special" RAM at all.
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Old July 14th, 2007, 16:34   #6
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In august Nvidia is coming out with a Gpu series called nvidia Tesla

NVIDIA Tesla C870 - GPU Computing Processor

If you are thinking about overclocking this is what I used

NVIDIA nTune

From within you can overclock the gpu and its memory yourself or you can allow this program to tune it for you.

there is coarse tuning which takes 20 minutes and fine tuning which takes 3 hours.

WARNING: use at your own risk!

Last edited by crispkreme418; July 14th, 2007 at 16:47.. Reason: details on ntune
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Old July 14th, 2007, 16:41   #7
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As for the RAM upgrade: I wouldn't do it, except your old RAM holds your CPU back for more overclocking. Beside the overclocking effect, the RAM clock rate or timings makes very little difference for a Core 2 Duo system. So if you aren't a hardcore overclocker, you don't need "special" RAM at all.
Ok, cool, i guess ill just use the money and buy myself another of my current RAM stick and dual chanel.

Oh and is it normal to have those speeds? Coz i'm kinda bummed out right now (was hopin for a constant full speed in ffx)
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Old July 14th, 2007, 17:35   #8
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I don't even get full speed in FFX with 0.9.2

During the opening intro, after Tidus removes his hand from Yuna's shoulder and starts walking up the hill, I get about 35FPS and the music noticeably slows down (though anything below 45 makes a noticeable slowdown). Also, any battle that involves full screen motion blur gives a slowdown.

I'd say just wait until more DX10 games come out so current high end vid cards go down in price. Upgrading to a x1950xt just for PCSX2 doesn't seem like a smart choice when you can just play full speed on your PS2.

And cheap value RAM doesn't necessary mean inability to OC well. Do a couple of tests, my old Corsair value allowed my AMD 3000+ (Barton, 939) to OC from 1.8Ghz to 2.6Ghz before my mobo hit its limit. It all depends on your luck of getting a good batch
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Old July 14th, 2007, 17:47   #9
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Quote:
Originally Posted by Chaz9999 View Post
I don't even get full speed in FFX with 0.9.2

During the opening intro, after Tidus removes his hand from Yuna's shoulder and starts walking up the hill, I get about 35FPS and the music noticeably slows down (though anything below 45 makes a noticeable slowdown). Also, any battle that involves full screen motion blur gives a slowdown.
Really? That sounds too low man for such rig considering I get 43~45 FPS with AMD Opteron 165 @ 2.8GHz in that scene. Theoretically your CPU at 3.2GHz should provide about 30~40% faster speeds depending on your RAM settings, ie 55~65 FPS. http://forums.ngemu.com/attachment.p...7&d=1177829611 Here's also a screenshot Plot posted in a thread a while ago, E6300 @ 2.8GHz, DDR2-800 @ 4-4-4-10-2T, GeForce 7900 GTX

And to Cheesus, I'm pretty sure you're getting GPU limited with those FPS rates. Especially FF12 which should run several times faster than that with that CPU.
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Old July 14th, 2007, 17:59   #10
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Quote:
And to Cheesus, I'm pretty sure you're getting GPU limited with those FPS rates. Especially FF12 which should run several times faster than that with that CPU.
Oh, alright, thanks

Might be a bit off topic, but what is the ~ maximum temperature threshold for my card? I OCed it with nTune to :
Core Bus 300 -> 421
Memory Bus 550->600

and I'm reachin temps of bout 60C... is that too high? or should i take it further? I can see no artifacts on screen

EDIT:
Quote:
I'd say just wait until more DX10 games come out so current high end vid cards go down in price. Upgrading to a x1950xt just for PCSX2 doesn't seem like a smart choice when you can just play full speed on your PS2.
Im not doing it solely for pcsx2, its mainly for all my other pc games... pcsx2 is just a bonus
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Old July 14th, 2007, 18:06   #11
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Quote:
Originally Posted by Cheesus View Post
Might be a bit off topic, but what is the ~ maximum temperature threshold for my card? I OCed it with nTune to :
Core Bus 300 -> 421
Memory Bus 550->600

and I'm reachin temps of bout 60C... is that too high? or should i take it further? I can see no artifacts on screen
Well if it's 60C load then it's a very good temperature but if it's 60C idle it would prolly mean around 85~90C load temps which would starting to get a bit high. Really there's no need to worry if temps are below 80C at all for your 6600GT, I used to have an 6800GT overclocked past 6800 Ultra speeds with stock cooler I ran for over a year with load temps of up to 87~88C during summer and this card is still my backup card in case my 7900GTO would break for some reason. :P

PS, quite good core overclock there, about 40% isn't too shabby. That's a lot better compared to what I got with my 6800GT, 350 -> 440 ~25% and memclock from 1000 -> 1140 ~14% (you 9%) and still I noticed a difference in games so I think you also should, but it won't magically make games playable but I think it should provide 7 - 10 FPS boosts or so.
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Old July 14th, 2007, 18:20   #12
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Its at 60C under full load (its not 6600GT, its a 6600 512mb... a bit worse than the gt, but better than the standard), but if what you say is true or this card also, thats f*kin amazin!!
40% OC with more headroom left in it... RPGW1ZaRD, you have made my day

For anyone else readin, there is an fps difference, about 5-8 fps in ffx, and bout 3-7 in Downhill Domination... havent tested any others, but still pretty good considering its free
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Old July 14th, 2007, 18:30   #13
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Ahh my mistake, I know 40% core overclock on a 6600GT sounded unusually much and I also know the vanilla 6600 is a lot slower than GT version which also makes more sense about the speed and temp you're getting.
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Old July 14th, 2007, 20:48   #14
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overclock you c2d to 3.0 or above GHz
should be easy

this is my result with vista ... 32 bit could be faster

edit: forgot to enable 4xAA but it had no impact on speed
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Old July 14th, 2007, 20:55   #15
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this is my result with vista ... 32 bit could be faster
Vista 64bit slowed me down like 10-15 FPS in PCSX2 compared to Win XP SP2 so I'm sure you'd be able to get 60 FPS in same spot with 32bit version or possibly XP. Even the 32bit version of Vista was still about 5~7 FPS slower for me so if I go 64bit it will be Win XP x64 for sure which I've also tested and was mostly only 2~4 FPS slower than Win XP SP2 32bit.
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Old July 14th, 2007, 21:01   #16
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yeah that's true
but i was prepared for a performance loss when i installed the x64 version
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Old July 15th, 2007, 02:50   #17
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Cheesus If you have Overclocked and temp is 60c at full load,should i be worried when my 7600 Gs is at 60c at idle with no overclock?

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Old July 15th, 2007, 08:31   #18
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Cheesus If you have Overclocked and temp is 60c at full load,should i be worried when my 7600 Gs is at 60c at idle with no overclock?

Not necessarily. I assume your case cooling just isn't that good. As long as the core doesn't reach 90-100° C under load and your system is stable I wouldn't worry too much. Graphics cards withstand a lot of heat.
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Old July 15th, 2007, 13:52   #19
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I turned on AA on the Smackdown here comes the pain and FPS droped from 18 to 8 .. So that means this game's performance depends on the card.. I have Radeom 9500 pro 64 mb 128 bit .. Vel i did that trick opening 8 pipelines instead of 4.. And it gave me almoust double performance.. So i was wondering if i would get any FPS boost if i overclock this card?
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Old July 15th, 2007, 13:55   #20
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I turned on AA on the Smackdown here comes the pain and FPS droped from 18 to 8 .. So that means this game's performance depends on the card.. I have Radeom 9500 64 mb 128 bit .. Vel i did that trick opening 8 pipelines instead of 4.. And it gave me almoust double performance.. So i was wondering if i would get any FPS boost if i overclock this card?
Well you answer your own question below, yea you probably would. But it also depends what your CPU is, it might not be able to achieve more than 18 fps either and since you have such an old gfx card I guess the CPU isn't that new either.
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