NVIDIA Tesla K40 Announced, Best Performance/Watt Solution



NVIDIA Tesla K40

NVIDIA has launched its fastest GPU accelerator for computing servers. The Tesla K40 delivers up to 25% more performance compared to the Tesla K20X. AMD’s FirePro S10000 is still faster but with more power consumption…

NVIDIA Tesla K40 in numbers:
- 12GB of ultra-fast GDDR5 memory, 384-bit
- full GK110 GPU (Kepler) with 2880 CUDA cores
- core clock: 745MHz, boost clock: 875MHz
- TDP: 235W
- Price: around USD $5500
- Peak FP64 performance: 1.43 TFLOPS
- Peak FP32 performance: 4.29 TFLOPS



The Tesla K20X for the sake of comparison:
- 6GB of GDDR5 memory, 384-bit
- GK110 (Kepler) with 2668 CUDA cores
- core clock: 732MHz
- TDP: 235W
- Price: around USD $3800
- Peak FP64 performance: 1.31 TFLOPS
- Peak FP32 performance: 3.95 TFLOPS

NVIDIA Tesla K40 / K20 specs

NVIDIA Tesla K40



And the AMD FirePro S10000:
- 12GB / 6GB of GDDR5 memory, 384-bit
- dual-Tahiti GPU with 2×1792 stream processors
- core clock: 825MHz
- TDP: 375W
- Price: around USD $3600
- Peak FP64 performance: 1.48 TFLOPS
- Peak FP32 performance: 5.91 TFLOPS

AMD FirePro S10000



FP32 performance per Watt:
- Tesla K40: 18.25 GFLOPS/Watt
- Tesla K20: 16.80 GFLOPS/Watt
- FirePro S10000: 15.76 GFLOPS/Watt



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