AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 580
GPU · Specs Compare
Graphics Card
Release Date
Sep 2011
Nov 2010
Generation
Northern Islands
GeForce 500
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1050 MHz
1002 MHz
Memory
Memory Size
2GB
1536MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
134.4GB/s
192.4GB/s
Render Config
Compute Units
12
—
Shading Units
960
512
TMUs
48
64
ROPs
32
48
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
768 KB
SM Count
—
16
Theoretical Performance
Pixel Rate
25.60 GPixel/s
24.70 GPixel/s
Texture Rate
38.40 GTexel/s
49.41 GTexel/s
FP32 (float)
1.536 TFLOPS
1.581 TFLOPS
FP64 (double)
—
197.6 GFLOPS
Graphics Processor
GPU Name
Barts
GF110
GPU Variant
Barts PRO(215-0798006)
GF110-375-A1
Architecture
TeraScale 2
Fermi 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
40 nm
Transistors
1.7 billion
3 billion
Die Size
255 mm²
520 mm²
Board Design
TDP
254W
244W
Suggested PSU
600 W
550 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
2x DVI1x mini-HDMI 1.3a
Power Connectors
2x 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
1.1
Vulkan
N/A
N/A
Shader Model
5.0
5.1
CUDA
—
2.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.