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ccMiner SPMOD Release CUDA 6.5 vs CUDA 7.5 Performance Comparison

5 Jan


The ccMiner SPMOD fork for Nvidia Maxwell GPUs (source) has recently been migrated to use the newer CUDA 7.5 from the older CUDA 6.5. The latest version with CUDA 6.5 support was version ccMiner 1.5.74 and the latest version is ccMiner 1.5.78 that already uses CUDA 7.5. The first release with CUDA 7.5 had not so good performance and was slower in some algorithms in terms of performance as compared to the latest CUDA 6.5 release, but the latest code has been optimized to offer similar or even better hashrate in most supported algorithms. We took an Nvidia GeForce GTX 970 (Gigabyte GV-N970WF3OC-4GD) running at stock frequencies for a spin with some of the currently popular algorithms to compare the performance of the latest CUDA 6.5 to the latest CUDA 7.5 release of ccMiner spmod. The results in the table clearly show that aside from NeoScrypt the latest CUDA 7.5 release offers very similar or even slightly better hashrate compared to the latest CUDA 6.5 version. The hashrate of X13, X15 and Qubit is still slightly slower, but not much. So unless you are mining NeoScrypt you should have no reasons not to upgrade to the newer CUDA 7.5 releases and soon we are probably going to see even better performance thanks to further optimizations of the code. Do note however that some other Maxwell GPUs might have some more variance in terms of performance difference between the two compared versions.

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3 Responses to ccMiner SPMOD Release CUDA 6.5 vs CUDA 7.5 Performance Comparison


January 6th, 2016 at 10:33

Can you post the numbers for the gtx 960 please.

john forman

February 19th, 2016 at 11:16

And what about Ethereum algorithm? Nvidia is tragedy.


February 19th, 2016 at 12:28

Nvidia is not a tragedy, there are some issues with performance on GTX 750 Ti, other cards are currently slightly slower as compared to their AMD counterparts (though a few months ago the gap was wider), but as the DAG size continues to grow we can soon see very similar performance from Nvidia and AMD.

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