Product Compare

NVIDIA Tesla K40s vs NVIDIA Tesla M4

GPU GPU
Graphics Card
Release Date Nov 2013 Nov 2015
Generation Tesla Kepler Tesla
Type Professional Professional
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 706 MHz 872 MHz
Boost Clock 706 MHz 1072 MHz
Memory Clock 1502 MHz 1375 MHz
Memory
Memory Size 12GB 4GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 128bit
Bandwidth 288.4GB/s 88.00GB/s
Render Config
Shading Units 2880 1024
TMUs 240 64
ROPs 48 32
L1 Cache 16 KB (per SMX) 48 KB (per SMM)
L2 Cache 1536 KB 1024 KB
Theoretical Performance
Pixel Rate 42.36 GPixel/s 34.30 GPixel/s
Texture Rate 169.4 GTexel/s 68.61 GTexel/s
FP32 (float) 4.067 TFLOPS 2.195 TFLOPS
FP64 (double) 1355.5 GFLOPS 68.61 GFLOPS
Graphics Processor
GPU Name GK110B GM206
Architecture Kepler Maxwell 2.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 7.08 billion 2.94 billion
Die Size 561 mm² 228 mm²
Board Design
TDP 245W 50W
Suggested PSU 550 W 250 W
Outputs No outputs No outputs
Graphics Features
DirectX 12 (11_1) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.2.175 1.3
CUDA 3.5 5.2
Shader Model 6.5 (5.1) 6.4