Product Compare

ATI Radeon HD 5970 vs NVIDIA Tesla K20c

GPU GPU
Graphics Card
Release Date Nov 2009 Nov 2012
Generation Evergreen Tesla
Type Desktop Professional
Bus Interface PCIe 2.0 x16 PCIe 2.0 x16
Clock Speeds
Memory Clock 1000 MHz 1300 MHz
Memory
Memory Size 1024MB 5GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 320bit
Bandwidth 128.0GB/s 208.0GB/s
Render Config
Compute Units 20
Shading Units 1600 2496
TMUs 80 208
ROPs 32 40
L1 Cache 8 KB (per CU) 16 KB (per SMX)
L2 Cache 512 KB 1280 KB
Theoretical Performance
Pixel Rate 23.20 GPixel/s 36.71 GPixel/s
Texture Rate 58.00 GTexel/s 146.8 GTexel/s
FP32 (float) 2.320 TFLOPS 3.524 TFLOPS
FP64 (double) 464.0 GFLOPS 1175 GFLOPS
Graphics Processor
GPU Name Hemlock GK110
GPU Variant Hemlock XT(215-0735075) GK110-885-KA-A1
Architecture TeraScale 2 Kepler
Foundry TSMC TSMC
Process Size 40 nm 28 nm
Transistors 2.154 billion 7.08 billion
Die Size 334 mm² 561 mm²
Board Design
TDP 294W 225W
Suggested PSU 600 W 550 W
Outputs 2x DVI1x mini-DisplayPort 1.1 No outputs
Power Connectors 1x 6-pin + 1x 8-pin 1x 6-pin + 1x 8-pin
Graphics Features
DirectX 11.2 (11_0) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 1.2 3.0
Vulkan N/A 1.1
Shader Model 5.0 5.1
CUDA 3.5