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Athlon X4 bottlenecks GTX 460?

post #1 of 18
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System in sig obviously, Athlon II X4 3.4ghz, GTX 460 768mb.

So using Kombustors little test, overclocking raises the benchmark score. But if I enter a game of SC2, and tinker with the overclock with alt-tabing and checking the fps, it doesn't really seem to change at all (actually major overclocks seem to be completely ignored). I was wondering how bottlenecking actually worked with this - I figured I could raise some of the stuff like AA but that took a real toll on FPS and couldn't really quantify how it affected the system.
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post #2 of 18
Quote:
Originally Posted by Belial View Post
System in sig obviously, Athlon II X4 3.4ghz, GTX 460 768mb.

So using Kombustors little test, overclocking raises the benchmark score. But if I enter a game of SC2, and tinker with the overclock with alt-tabing and checking the fps, it doesn't really seem to change at all (actually major overclocks seem to be completely ignored). I was wondering how bottlenecking actually worked with this - I figured I could raise some of the stuff like AA but that took a real toll on FPS and couldn't really quantify how it affected the system.
This should be in the proc section too I think.

I seriously hope it's not that much of a bottleneck, as I have an Athlon II x4 2.8ghz and I'm getting a GTX 560 Ti in 6 days.

I think the game itself is bottlenecked by proc's in general since it only makes significant use of 2 cores.

There could always be things such as the game itself doesn't respond to overclocking or the OC simply wasn't enough. I honestly haven't heard of anyone trying OC'ing for SC2.
Edited by Ascii Aficionado - 4/15/11 at 9:47am
post #3 of 18
Have you tried benching with fraps? And what fps are you seeing inc SC2?
post #4 of 18
Check out something such as Afterburner and see GPU utilization - if it is sitting around 100% then no the CPU isn't bottlenecking it - if it is sitting in the 70+% range try overclocking and seeing if it raises, if its lower than that, you have some serious bottlenecks.

Most likely you won't see a bottleneck on a single GPU - you could even go with sli 460's and probably do well, again its all about utilization
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post #5 of 18
Yes, unfortunately it is the bottleneck.
My 1090T@4.2GHZ limited my GTX550ti to a mere 1048/1076 and would lockup.
On my 2500k at same speed I have run 1099/1150 and that was just to test benches.
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post #6 of 18
More like CPU limited games...

Overclock CPU higher? Raise NB Clock? Don't use the multiplier to overclock? Is your RAM in single channel?

Don't assume things, just check everything is right before you claim a bottleneck.
post #7 of 18
SC2 is somewhat CPU intensive, so I suppose that's the cause.

Check out benchmarks to compare. Perhaps it's just StarCraft2 (which I presume sounds likely).
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post #8 of 18
Try playing Crysis
post #9 of 18
Quote:
Originally Posted by PROBN4LYFE View Post
Yes, unfortunately it is the bottleneck.
My 1090T@4.2GHZ limited my GTX550ti to a mere 1048/1076 and would lockup.
On my 2500k at same speed I have run 1099/1150 and that was just to test benches.
Uh what? Sorry but the type of CPU you have doesn't have anything to do with how much you can overclock a video card, and overclocking a video card has nothing to do with bottle necking (other than being to help lower one in certain circumstances of which I don't think you were referring to) - If an X6 1090T was somehow a bottleneck to a 550ti, then any AMD would be absolutely useless [they aren't they make some awesome price / performance ratio cpu's] [/rant]
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post #10 of 18
Quote:
Originally Posted by appleg33k85 View Post
Uh what? Sorry but the type of CPU you have doesn't have anything to do with how much you can overclock a video card, and overclocking a video card has nothing to do with bottle necking (other than being to help lower one in certain circumstances of which I don't think you were referring to) - If an X6 1090T was somehow a bottleneck to a 550ti, then any AMD would be absolutely useless [they aren't they make some awesome price / performance ratio cpu's] [/rant]
ive always used amd, but they are. they are a good value, but the bottom line is, if you want the best for editing, video converting, gaming. intel is the best.


ive seen benchmarks running an, i5/i7 with a gtx280 putting out higher fps than my setup.


all i hear everywhere is that 1155 is the best you can get for gaming, etc. and head to head, amd always loses. if you compare release date prices, intel is way way better. my phenom 945 ran me about the same price as the current 2500k at $220. so if you compare the 945 that im able to overclock to 3.7, and put that up against the air cooled 2500k@4.5ghz, AMD is not even in the same league.


and even if you compared todays prices on both, i still think the extra $80 is completely worth it.

http://www.anandtech.com/bench/Product/80?vs=288


and i cant actually believe im saying all this, my last 4 systems have all been amd. i sound like such an intel fanboy, and im currently still running a system with an amd cpu. its just that the more i read, there seems to be so much more to be had with an intel chip.
Edited by stRodda - 4/15/11 at 12:54pm
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