NVIDIA Tesla K20X vs NVIDIA Tesla K80 Full Specs
2,688 Shaders 786MHz | 4,992 Shaders 875MHz |
6GB GDDR5249.6GB/s | 24GB GDDR5480GB/s |
·· 4.23 TFLOPS | ·· 8.74 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 235W | TDP 300W |
Power Connectors 1x 8-Pin 1x 6-Pin | Power Connectors 1x 8-Pin - |
Clock Speed ··· | Clock Speed ··· |
Peak OPS 4.23 TFLOPSFP32 | Peak OPS 8.74 TFLOPSFP32 |
FP32 4.23 TFLOPS | FP32 8.74 TFLOPS |
FP64 1.41 TFLOPS | FP64 2.91 TFLOPS |
Pixel Rate 37.7 GPixel/s | Pixel Rate 35 GPixel/s |
Texture Rate 176.1 GTexel/s | Texture Rate 182 GTexel/s |
Shaders 2,688 Shaders | Shaders 4,992 Shaders |
TMUs 224 TMUs | TMUs 416 TMUs |
ROPs 48 ROPs | ROPs 80 ROPs |
SMs 14 SMs | SMs 26 SMs |
Base Clock 732MHz | Base Clock 560MHz |
Boost Clock 786MHz | Boost Clock 875MHz |
L2 Cache 1.5MB shared | L2 Cache 1.5MB shared |
6GB GDDR5 | 24GB GDDR5 |
Memory Bus 384-bit | Memory Bus 384-bit |
Memory Speed 5.2GT/s | Memory Speed 5GT/s |
Memory Bandwidth 249.6GB/s | Memory Bandwidth 480GB/s |
ECC No | ECC No |
TDP 235W | TDP 300W |
Encoder Model NVENC 1 | Encoder Model NVENC 1 |
Codec AVC (H.264) | Codec AVC (H.264) |
Decoder Model NVDEC 1 | Decoder Model NVDEC 1 |
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264) | Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264) |
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 Nov 12, 2012 | 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 |