NVIDIA Tesla M40 vs NVIDIA Tesla P4 Full Specs
3,072 Shaders 1.11GHz | 2,560 Shaders 1.06GHz |
12GB GDDR5288GB/s | 8GB GDDR5192GB/s |
·· 6.84 TFLOPS | ·· 5.44 TFLOPS |
Form Factor PCIe Card | Form Factor PCIe Card |
TDP 250W | TDP 75W |
Power Connectors 1x 8-Pin 1x 6-Pin | Power Connectors - |
Clock Speed ··· | Clock Speed ··· |
Peak OPS 6.84 TFLOPSFP32 | Peak OPS 5.44 TFLOPSFP32 |
FP32 6.84 TFLOPS | FP32 5.44 TFLOPS |
FP64 213.9 GFLOPS | FP64 170.1 GFLOPS |
Pixel Rate 106.9 GPixel/s | Pixel Rate 68 GPixel/s |
Texture Rate 213.9 GTexel/s | Texture Rate 170.1 GTexel/s |
Shaders 3,072 Shaders | Shaders 2,560 Shaders |
TMUs 192 TMUs | TMUs 160 TMUs |
ROPs 96 ROPs | ROPs 64 ROPs |
SMs 24 SMs | SMs 20 SMs |
Base Clock 948MHz | Base Clock 810MHz |
Boost Clock 1.11GHz | Boost Clock 1.06GHz |
L2 Cache 3MB shared | L2 Cache 2MB shared |
12GB GDDR5 | 8GB GDDR5 |
Memory Bus 384-bit | Memory Bus 256-bit |
Memory Speed 6GT/s | Memory Speed 6GT/s |
Memory Bandwidth 288GB/s | Memory Bandwidth 192GB/s |
ECC No | ECC No |
TDP 250W | TDP 75W |
Encoder Model 2x NVENC 3 | Encoder Model 2x NVENC 4 |
Codec AVC (H.264) HEVC (H.265) | Codec AVC (H.264) HEVC (H.265) |
Decoder Model NVDEC 1 | Decoder Model NVDEC 3 |
Codec MPEG-1 MPEG-2 MPEG-4 VC-1 - AVC (H.264) - | Codec MPEG-1 MPEG-2 MPEG-4 VC-1 VP9 AVC (H.264) HEVC (H.265) |
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 40 mm (1.57") | Height 69 mm (2.72")Width 168 mm (6.61")Depth 20 mm (0.79") |
Cooling Passive | Cooling Passive |
Power Connectors 1x 8-Pin, 1x 6-Pin | Power Connectors - |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename NV120 | Codename NV134 |
Chip Variant GM200-310 | Chip Variant GP104-140-A1 |
Market Segment Server | Market Segment Server |
Release Date Nov 10, 2015 | Release Date Sep 13, 2016 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 16FF |
Die Size 601mm² | Die Size 314mm² |
Transistor Count 8 Billion | Transistor Count 7.2 Billion |
Transistor Density 13.31 MTr/mm² | Transistor Density 22.93 MTr/mm² |