NVIDIA Tesla K20 Server vs NVIDIA Tesla K80 Full Specs
2,496 Shaders 758MHz | 4,992 Shaders 875MHz |
5GB GDDR5208GB/s | 24GB GDDR5480GB/s |
·· 3.78 TFLOPS | ·· 8.74 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 225W | TDP 300W |
Power Connectors 1x 8-Pin 1x 6-Pin | Power Connectors 1x 8-Pin - |
Tesla K20 Server3.78 TFLOPSFP32
Tesla K808.74 TFLOPSFP32 (2x 4.37 TFLOPS)Clock Speed ··· | Clock Speed ··· |
Peak OPS 3.78 TFLOPSFP32 | Peak OPS 8.74 TFLOPSFP32 |
FP32 3.78 TFLOPS | FP32 8.74 TFLOPS |
FP64 1.26 TFLOPS | FP64 2.91 TFLOPS |
Pixel Rate 30.3 GPixel/s | Pixel Rate 35 GPixel/s |
Texture Rate 157.7 GTexel/s | Texture Rate 182 GTexel/s |
Shaders 2,496 Shaders | Shaders 4,992 Shaders |
TMUs 208 TMUs | TMUs 416 TMUs |
ROPs 40 ROPs | ROPs 80 ROPs |
SMs 13 SMs | SMs 26 SMs |
Base Clock 706MHz | Base Clock 560MHz |
Boost Clock 758MHz | Boost Clock 875MHz |
L2 Cache 1.5MB shared | L2 Cache 1.5MB shared |
5GB GDDR5 | 24GB GDDR5 |
Memory Bus 320-bit | Memory Bus 384-bit |
Memory Speed 5.2GT/s | Memory Speed 5GT/s |
Memory Bandwidth 208GB/s | Memory Bandwidth 480GB/s |
TDP 225W | TDP 300W |
Encoder Model NVENC 1 | Encoder Model NVENC 1 |
Decoder Model NVDEC 1 | Decoder Model NVDEC 1 |
Form Factor PCIe Card | Form Factor PCIe Card |
PCIe 2-Slots | PCIe 2-Slots |
Height 111 mm (4.37")Width 267 mm (10.51")Depth 39 mm (1.53") | Height 111 mm (4.37")Width 267 mm (10.51")Depth 40 mm (1.57") |
Cooling Passive | Cooling Passive |
Power Connectors 1x 8-Pin, 1x 6-Pin | Power Connectors 1x 8-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename NVF0 | Codename NV100 |
Chip Variant GK110-400-A1 | Chip Variant - |
Market Segment Server | Market Segment Server |
Release Date Jan 5, 2013 | Release Date Nov 17, 2014 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 561mm² | Die Size 561mm² |
Transistor Count 7.1 Billion | Transistor Count 7.1 Billion |
Transistor Density 12.62 MTr/mm² | Transistor Density 12.62 MTr/mm² |
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