Product Compare

NVIDIA GeForce GTX 580 vs AMD Radeon HD 6950

GPU GPU
Graphics Card
Release Date Nov 2010 Dec 2010
Generation GeForce 500 Northern Islands
Type Desktop Desktop
Bus Interface PCIe 2.0 x16 PCIe 2.0 x16
Clock Speeds
Memory Clock 1002 MHz 1250 MHz
Memory
Memory Size 1536MB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 256bit
Bandwidth 192.4GB/s 160.0GB/s
Render Config
SM Count 16
Shading Units 512 1408
TMUs 64 88
ROPs 48 32
L1 Cache 64 KB (per SM) 8 KB (per CU)
L2 Cache 768 KB 512 KB
Compute Units 22
Theoretical Performance
Pixel Rate 24.70 GPixel/s 25.60 GPixel/s
Texture Rate 49.41 GTexel/s 70.40 GTexel/s
FP32 (float) 1.581 TFLOPS 2.253 TFLOPS
FP64 (double) 197.6 GFLOPS 563.2 GFLOPS
Graphics Processor
GPU Name GF110 Cayman
GPU Variant GF110-375-A1 Cayman PRO(215-0807019)
Architecture Fermi 2.0 TeraScale 3
Foundry TSMC TSMC
Process Size 40 nm 40 nm
Transistors 3 billion 2.64 billion
Die Size 520 mm² 389 mm²
Board Design
TDP 244W 200W
Suggested PSU 550 W 550 W
Outputs 2x DVI1x mini-HDMI 1.3a 2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 6-pin + 1x 8-pin 2x 6-pin
Graphics Features
DirectX 12 (11_0) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 1.1 1.2
Vulkan N/A N/A
CUDA 2.0
Shader Model 5.1 5.0