quad sli vs dual sli?
- Thread starter dylan1016
- Start date
cookybiscuit
Honorable
- Aug 31, 2012
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Dual. Quad is for benchmarking or people with extremely deep pockets. It serves no purpose in the real world because many games struggle to use 3x GPU's, a 4th is pointless, infact, alot of the time quad SLI performs worse than two way.
- Oct 30, 2004
- 32,255
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Quad SLI is "iffy". Veryt few sites regularly publish benchies for it. But here's 1
http://uk.hardware.info/reviews/2725/8/nvidia-geforce-gtx-670-review-plus-sli-and-3-way-sli-aliens-versus-predator
Picking 3 popular games, ya can see that 3 and 4 way SLI can be useful, problematic and waste of investment
GTX 680
Game - 1 card / 2 cards / 3 cards / 4 cards
AvP - 59 / 107 / 158 / 205 @ 1920 x 1080 hi settings 4AA
AvP - 27 / 49 / 64 / 89 @ 5760 x 1080 hi settings 4AA
BF3 - 67 / 120 / 128 / 131 @ 1920 x 1080 ultra settings 4AA
BF3 - 25 / 98 / ?? / 57 @ 5760 x 1080 ultra settings 4AA
Skyrim - 120 / 206 / 219 / 223 @ 1920 x 1080 ultra settings 4AA
Skyrim - 51 / 96 / 97 / 130 @ 5760 x 1080 ultra settings 4AA
AvP showed a pretty consistent increase and an argument could easily be made that it has a ROI at 5760 x 1080, especially if using 120 Hz
BF3 showed passing 2 cards as detrimental and dint work 3 cards
Skyrim showed no reason for a 3rd card but a half hearted reason for a 4th
Keep in mind that these tests are generally done as soon as a card drops into the channel and subsequent driver releases generally remove the anomAlies by building new SLI profiles.
http://uk.hardware.info/reviews/2725/8/nvidia-geforce-gtx-670-review-plus-sli-and-3-way-sli-aliens-versus-predator
Picking 3 popular games, ya can see that 3 and 4 way SLI can be useful, problematic and waste of investment
GTX 680
Game - 1 card / 2 cards / 3 cards / 4 cards
AvP - 59 / 107 / 158 / 205 @ 1920 x 1080 hi settings 4AA
AvP - 27 / 49 / 64 / 89 @ 5760 x 1080 hi settings 4AA
BF3 - 67 / 120 / 128 / 131 @ 1920 x 1080 ultra settings 4AA
BF3 - 25 / 98 / ?? / 57 @ 5760 x 1080 ultra settings 4AA
Skyrim - 120 / 206 / 219 / 223 @ 1920 x 1080 ultra settings 4AA
Skyrim - 51 / 96 / 97 / 130 @ 5760 x 1080 ultra settings 4AA
AvP showed a pretty consistent increase and an argument could easily be made that it has a ROI at 5760 x 1080, especially if using 120 Hz
BF3 showed passing 2 cards as detrimental and dint work 3 cards
Skyrim showed no reason for a 3rd card but a half hearted reason for a 4th
Keep in mind that these tests are generally done as soon as a card drops into the channel and subsequent driver releases generally remove the anomAlies by building new SLI profiles.
- Oct 30, 2004
- 32,255
- 14
- 99,960
1. As to the need .... that will vary by individual and how many monitors they run. If that need includes Metro even at 1920 x 1080 and Batman AC (in 3D)
At 1920 x 1080 .... Metro 2033 manages just 30 fps w/ a single 670, 50 fps in SLI.
At 5760 x 1080 .... Metro 2033 manages to break 30 fps only with w/ 3 way Crossfire
At 5760 x 1080 .... Batman AC manages to break 40 fps only with the 670 / 680 in SLI both of which do 49 in 2 way. Turn on the 3D and that fps drops significantly
2. Whop doesn't want better performance
?3. Also cost .....
Two 560 Ti's cost 80% of what a 580 cost but had 40% better performance
Two 650 Ti Boosts costs just 80 % of a 7970 Ghz Edition and yet outperform the 680 and 7970 Ghz Edition .
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