Asus R9 270X and 280X DirectCU II TOP Review
I was quite curious about the OpenCL performance of these latest cards. AMD has really been pushing OpenCL as of late, especially in advance of the release of the Kaveri APUs. They have a pretty solid OpenCL 1.2 implementation for their GCN based chips. NVIDIA of course has been blowing the GPGPU horn as loudly as possible over the years and focused on CUDA. Oddly enough, Kepler made compute performance take a back seat to enable better performance and efficiency in graphics applications. I used the 64 bit version of Luxmark 2.0 with the Sala test.
Well, it is nice to see that this application can utilize more than a single card at once! AMD did a nice job with their GCN architecture. It was a big shot in the arm for AMD when it came to GPGPU workloads. NVIDIA again cut down the GPGPU abilities of their Kepler products, except for the GTX TITAN as well as their professional level cards based on GK110. So in this instance, the GTX 770 and 760 are not that much faster than the i7 3770K.
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