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Comparing high-end products of CPU and GPU.
| #Cores | Clock Speed (GHz) |
Memory Size (max) (GB) |
Efficiency (GFLOPS/Watt) |
Memory Bandwidth (GB/s) |
Single Precision Performance (GFLOPS) |
Double Precision Performance (GFLOPS) |
|
|---|---|---|---|---|---|---|---|
| Intel Xeon E5-2687W | 8 | 3.1/3.8 | 750 | 1.4 | 51.2 | 486 | 243 |
| NVIDIA GPU K20 | 2688 | 0.732 | 6 | 16.80 | 250 | 3520 | 1170 |
