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Will my CPU bottleneck my Tri Fire setup???

post #1 of 15
Thread Starter 
I have a 5970 and a 1100T @ 4.2Ghz (conservatively) and I found a guy with a spare Reference 5870 he can't use and I have a brand new HIS IceQ 6870 laying around and he's willing to trade me straight up. Will I run into issues with my 1100T bottlenecking this setup? If I push my OC to 4.3 maybe 4.4 will that help?
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post #2 of 15
If your playing a CPU intensive game like Civ5, yeah your 1100T will slow it down a bit. But your proccessor is still a beast at 4.2GHz so I wouldn't worry about it too much. Overclocking it 100-200MHz further will have little effect but might be worth it if you can keep your temps in check and under 1.5 volts.
Edited by Farmer Boe - 10/27/11 at 10:13am
post #3 of 15
You can't crossfire those cards together...I don't know if that is your intention?

edit: misread, sorry

And possibly - but it won't be significant.
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post #4 of 15
Quote:
Originally Posted by fluxlite View Post
You can't crossfire any of those cards together...I don't know if that is your intention?
Yes you can, any 5 series can be crossfired. 5970+5870 is a great Tri Fire setup.
post #5 of 15
Quote:
Originally Posted by Segovax View Post
Yes you can, any 5 series can be crossfired. 5970+5870 is a great Tri Fire setup.
Aye, I'm thoroughly aware of that (I toyed with doing it instead of my setup now due to price). I misread the OP and thought he was crossfiring a 6870 with them.

*slaps self*
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post #6 of 15
A lot depends on what resolution and how many monitors you're using.

For example, I have 2x 2gb 6950's @900/1450. Even when both GPU's are at 100% load, I only see 60-70% load on my i5-750 because I'm at 3240x1920 and there is a heavy GPU bottleneck still.

However, I still get 60FPS avg in most games so it's fine.

The question for you if you're on a single display is yea, you may have a CPU bottleneck hardware wise, but if you're using a 60HZ monitor, and you're already at 100FPS, then you don't actually have a CPU bottleneck, you have a display one.
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post #7 of 15
There will be bottlenecks at specific points, but not enough to worry about. FPS will still be high enough that it doesnt matter. Particles like snow, dust are the worst.
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post #8 of 15
Thread Starter 
Quote:
Originally Posted by banthracis View Post
A lot depends on what resolution and how many monitors you're using.

For example, I have 2x 2gb 6950's @900/1450. Even when both GPU's are at 100% load, I only see 60-70% load on my i5-750 because I'm at 3240x1920 and there is a heavy GPU bottleneck still.

However, I still get 60FPS avg in most games so it's fine.

The question for you if you're on a single display is yea, you may have a CPU bottleneck hardware wise, but if you're using a 60HZ monitor, and you're already at 100FPS, then you don't actually have a CPU bottleneck, you have a display one.
I'm running one 28" 60hz monitor @ 1920x1200. I don't care for eyefinity setups and 30"ers are to expensive so I'll be stuck with this for awhile.
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post #9 of 15
In that case, your CPU will be fine. You'll hit a display bottleneck long before you max out your CPU.
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post #10 of 15
Thread Starter 
Right on. Can't wait to get it set up.
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