NVIDIA Tesla K20 vs NVIDIA Tesla K8 Full Specs
2,496 Shaders 617MHz | 3,072 Shaders 693MHz |
5GB GDDR5208GB/s | 16GB GDDR5320GB/s |
·· 3.08 TFLOPS | ·· 4.26 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 225W | TDP 100W |
Power Connectors 1x 8-Pin 1x 6-Pin | Power Connectors - 1x 6-Pin |
Tesla K203.08 TFLOPSFP32
Tesla K84.26 TFLOPSFP32 (2x 2.13 TFLOPS)Clock Speed ··· | Clock Speed ·· |
Peak OPS 3.08 TFLOPSFP32 | Peak OPS 4.26 TFLOPSFP32 |
FP32 3.08 TFLOPS | FP32 4.26 TFLOPS |
FP64 1.03 TFLOPS | FP64 177.4 GFLOPS |
Pixel Rate 24.7 GPixel/s | Pixel Rate 22.2 GPixel/s |
Texture Rate 128.3 GTexel/s | Texture Rate 88.7 GTexel/s |
Shaders 2,496 Shaders | Shaders 3,072 Shaders |
TMUs 208 TMUs | TMUs 256 TMUs |
ROPs 40 ROPs | ROPs 64 ROPs |
SMs 13 SMs | SMs 16 SMs |
Base Clock 575MHz | Base Clock - |
Boost Clock 617MHz | Boost Clock 693MHz |
L2 Cache 1.5MB shared | L2 Cache 512KB shared |
5GB GDDR5 | 16GB GDDR5 |
Memory Bus 320-bit | Memory Bus 256-bit |
Memory Speed 5.2GT/s | Memory Speed 5GT/s |
Memory Bandwidth 208GB/s | Memory Bandwidth 320GB/s |
TDP 225W | TDP 100W |
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 1-Slots |
Height 111 mm (4.37")Width 267 mm (10.51")Depth 39 mm (1.53") | Height 111 mm (4.37")Width 241 mm (9.49")Depth 20 mm (0.79") |
Cooling Passive - | Cooling Blower 1x Fan |
Power Connectors 1x 8-Pin, 1x 6-Pin | Power Connectors 1x 6-Pin |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename NVF0 | Codename NVE4 |
Chip Variant GK110-400-A1 | Chip Variant GK104-200-KD-A2 |
Market Segment Server | Market Segment Server |
Release Date Feb 18, 2013 | Release Date May 1, 2012 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 561mm² | Die Size 294mm² |
Transistor Count 7.1 Billion | Transistor Count 3.5 Billion |
Transistor Density 12.62 MTr/mm² | Transistor Density 12.04 MTr/mm² |
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