Product Compare

NVIDIA Tesla K40c vs NVIDIA Tesla M40 24 GB

GPU GPU
Graphics Card
Release Date Oct 2013 Nov 2015
Generation Tesla Tesla Maxwell
Type Professional Professional
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 745 MHz 948 MHz
Boost Clock 876 MHz 1112 MHz
Memory Clock 1502 MHz 1502 MHz
Memory
Memory Size 12GB 24GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 384bit
Bandwidth 288.4GB/s 288.4GB/s
Render Config
Shading Units 2880 3072
TMUs 240 192
ROPs 48 96
L1 Cache 16 KB (per SMX) 48 KB (per SMM)
L2 Cache 1536 KB 3 MB
Theoretical Performance
Pixel Rate 52.56 GPixel/s 106.8 GPixel/s
Texture Rate 210.2 GTexel/s 213.5 GTexel/s
FP32 (float) 5.046 TFLOPS 6.832 TFLOPS
FP64 (double) 1.682 TFLOPS 213.5 GFLOPS
Graphics Processor
GPU Name GK180 GM200
GPU Variant GK180-890-A1 GM200-895-A1
Architecture Kepler Maxwell 2.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 7.08 billion 8 billion
Die Size 561 mm² 601 mm²
Board Design
TDP 245W 250W
Suggested PSU 550 W 600 W
Outputs No outputs No outputs
Power Connectors 1x 6-pin + 1x 8-pin 8-pin EPS
Graphics Features
DirectX 12 (11_0) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.1 1.3
CUDA 3.5 5.2
Shader Model 5.1 6.7