Product Compare

AMD Radeon HD 7950 vs NVIDIA Tesla M40 24 GB

GPU GPU
Graphics Card
Release Date Jan 2012 Nov 2015
Generation Southern Islands Tesla Maxwell
Type Desktop Professional
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1250 MHz 1502 MHz
Base Clock 948 MHz
Boost Clock 1112 MHz
Memory
Memory Size 3GB 24GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 384bit
Bandwidth 240.0GB/s 288.4GB/s
Render Config
Compute Units 28
Shading Units 1792 3072
TMUs 112 192
ROPs 32 96
L1 Cache 16 KB (per CU) 48 KB (per SMM)
L2 Cache 768 KB 3 MB
Theoretical Performance
Pixel Rate 25.60 GPixel/s 106.8 GPixel/s
Texture Rate 89.60 GTexel/s 213.5 GTexel/s
FP32 (float) 2.867 TFLOPS 6.832 TFLOPS
FP64 (double) 716.8 GFLOPS 213.5 GFLOPS
Graphics Processor
GPU Name Tahiti GM200
GPU Variant Tahiti PRO(215-0821056) GM200-895-A1
Architecture GCN 1.0 Maxwell 2.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 4.313 billion 8 billion
Die Size 352 mm² 601 mm²
Board Design
TDP 200W 250W
Suggested PSU 550 W 600 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 No outputs
Power Connectors 2x 6-pin 8-pin EPS
Graphics Features
DirectX 12 (11_1) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.3
Shader Model 5.1 6.7
CUDA 5.2
Benchmarks
3DMark Time Spy 1969 5066
3DMark Time Spy Extreme 1019 2425