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Message boards : Graphics cards (GPUs) : 970 vs 780ti

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Message 45949 - Posted: 29 Dec 2016 | 12:49:05 UTC
Last modified: 29 Dec 2016 | 13:04:47 UTC

Which is faster for this project, the gtx 970 or gtx 780ti? Power consumption is not a problem as the purpose is heating the house, if anything the 780ti's dramatically higher TDP is beneficial for me. But for now, which one is faster in THIS project. TFLOPS aren't everything, the different versions of ACEMD play a large part in speed.

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Message 46006 - Posted: 30 Dec 2016 | 21:37:01 UTC - in response to Message 45949.
Last modified: 30 Dec 2016 | 21:46:48 UTC

The 780Ti was ~20% faster the last time I looked.

NVidia GPU Card comparisons in GFLOPS peak

The biggest issues ATM here WRT SP GFlops is that the apps/tasks don't scale well on the 'bigger' GPU's, and performance varies greatly by setup and task type - making it very hard to compare multiple generations of GPU's. When comparing a 970 with a 1060-3GB the swing can be 5% for one GPU to 20% for the other depending on task type. There are other big factors too such as boost; recent generations boost a lot and various factory tweaked versions make things even more tricky to compare. The out of the box performance variation is likely to be >5% for various GTX1060-6GB's for example.

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Message boards : Graphics cards (GPUs) : 970 vs 780ti