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SLI with low ASIC?

post #1 of 6
Thread Starter 
Hey guys, I was wondering what kind of impact a low ASIC score card has on an SLI system.

I currently have 2 780 SC ACX's in my rig with ASIC's of 81.4% and 72.5%. I might add a 3rd with a 66% score that I can get for "cheap" locally.

Will not having matching speeds on all 3 (or 2 in the case of two-way SLI) decrease performance? I currently have my SLI cards capable of 1175 core boost and +250 on the memory, but would prefer to run everything at stock or minimal changes to match all 3 cards' speeds.

Thoughts?
post #2 of 6
Usually the lower the asic of the card the lower oc potential you get on air/water. Ofc you can never tell unless you test the card. When you sli/tri sli/quad your cards you always get the performane of the lowest oced one. So if your two 780 can run stable at 1175 and the new one at 1100, all three will get the 1100 performance.

Hope it helped. But anyway, three are better than two even with lower clocks wink.gif
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Pure Dark TJ07
(19 items)
 
  
CPUMotherboardGraphicsRAM
i7-4790K@4.8Ghz Gigabyte Z87X-OC Inno3D GTX 1080 iChiLL x3 TeamXtreem 8GB 2666C11 
Hard DriveHard DriveCoolingCooling
Samsung 840 Pro 128Gb WD Red 3TB XSPC Raystorm ThermoChill PA120.3 - 3xAP15  
CoolingOSMonitorKeyboard
Swiftech MCP655V - EK Top Windows 10 Pro x64 Samsung S27A850D (2560x1440) Ducky Shine / MX Red 
PowerCaseMouseAudio
Corsair AX850 TJ07 Full Matte Black (Modded) Logitech G900 Chaos Spectrum Asus Xonar Essence STX 
Audio
Εpoz Aktimate Mini on IsoAcoustics 
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post #3 of 6
ASIC will have no impact on your 3-way SLI 780 system.

This ASIC quality thing is getting out of hand.thumbsdownsmileyanim.gif
post #4 of 6
You can't run SLI with different clock speeds across your GPUs.

Your SLI clocks will ultimately be limited to whatever your slowest card is capable of, but if you're planning on running them at stock then that's all moot anyway. wth.gif
Quote:
Originally Posted by MrTOOSHORT View Post

ASIC will have no impact on your 3-way SLI 780 system.

This ASIC quality thing is getting out of hand.thumbsdownsmileyanim.gif
Indeed.
post #5 of 6
Thread Starter 
Thanks for the responses everyone. I might just pick up that card then.
post #6 of 6
Quote:
Originally Posted by Booty Warrior View Post

You can't run SLI with different clock speeds across your GPUs.

Your SLI clocks will ultimately be limited to whatever your slowest card is capable of, but if you're planning on running them at stock then that's all moot anyway. wth.gif
Indeed.

I never knew nvidia SLI had this problem. Maybe I'll stick with AMD for a while.
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