Product Compare

AMD Radeon Sky 700 vs NVIDIA Tesla K20X

GPU GPU
Graphics Card
Release Date Mar 2013 Nov 2012
Generation Radeon Sky Tesla
Type Desktop Professional
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1375 MHz 1300 MHz
Memory
Memory Size 6GB 6GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 384bit
Bandwidth 264.0GB/s 249.6GB/s
Render Config
Compute Units 28
Shading Units 1792 2688
TMUs 112 224
ROPs 32 48
L1 Cache 16 KB (per CU) 16 KB (per SMX)
L2 Cache 768 KB 1536 KB
Theoretical Performance
Pixel Rate 28.80 GPixel/s 40.99 GPixel/s
Texture Rate 100.8 GTexel/s 164.0 GTexel/s
FP32 (float) 3.226 TFLOPS 3.935 TFLOPS
FP64 (double) 806.4 GFLOPS 1312 GFLOPS
Graphics Processor
GPU Name Tahiti GK110
GPU Variant Tahiti PRO GL
Architecture GCN 1.0 Kepler
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 4.313 billion 7.08 billion
Die Size 352 mm² 561 mm²
Board Design
TDP 225W 235W
Suggested PSU 550 W 550 W
Outputs 1x DisplayPort 1.2 No outputs
Power Connectors 1x 8-pin 1x 6-pin + 1x 8-pin
Graphics Features
DirectX 12 (11_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.1
Shader Model 5.1 5.1
CUDA 3.5