Product Compare

NVIDIA Tesla M40 24 GB vs NVIDIA Tesla K80

GPU GPU
Graphics Card
Release Date Nov 2015 Nov 2014
Generation Tesla Maxwell Tesla
Type Professional Professional
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 948 MHz 562 MHz
Boost Clock 1112 MHz 824 MHz
Memory Clock 1502 MHz 1253 MHz
Memory
Memory Size 24GB 12GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 384bit
Bandwidth 288.4GB/s 240.6GB/s
Render Config
Shading Units 3072 2496
TMUs 192 208
ROPs 96 48
L1 Cache 48 KB (per SMM) 16 KB (per SMX)
L2 Cache 3 MB 1536 KB
Theoretical Performance
Pixel Rate 106.8 GPixel/s 42.85 GPixel/s
Texture Rate 213.5 GTexel/s 171.4 GTexel/s
FP32 (float) 6.832 TFLOPS 4.113 TFLOPS
FP64 (double) 213.5 GFLOPS 1371 GFLOPS
Graphics Processor
GPU Name GM200 GK210
GPU Variant GM200-895-A1 GK210-885-A1
Architecture Maxwell 2.0 Kepler 2.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 8 billion 7.1 billion
Die Size 601 mm² 561 mm²
Board Design
TDP 250W 300W
Suggested PSU 600 W 700 W
Outputs No outputs No outputs
Power Connectors 8-pin EPS 1x 8-pin
Graphics Features
DirectX 12 (12_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.3 1.1
CUDA 5.2 3.7
Shader Model 6.7 5.1