AMD Radeon HD 6870 vs NVIDIA GeForce GTX 580 Rev. 2

GPU · Specs Compare

Products
GPU AMD Radeon HD 6870 AMD · 2010-10
GPU NVIDIA GeForce GTX 580 Rev. 2 NVIDIA · 2011-06
Graphics Card
Release Date
Oct 2010
Jun 2011
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
1024MB
1536MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
134.4GB/s
192.4GB/s
Render Config
Compute Units
14
—
Shading Units
1120
512
TMUs
56
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
28.80 GPixel/s
24.70 GPixel/s
Texture Rate
50.40 GTexel/s
49.41 GTexel/s
FP32 (float)
2.016 TFLOPS
1.581 TFLOPS
FP64 (double)
—
197.6 GFLOPS
Graphics Processor
GPU Name
Barts
GF110
GPU Variant
Barts XT(215-0798000)
GF110-380-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
151W
244W
Suggested PSU
450 W
550 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
2x DVI1x mini-HDMI 1.3a
Power Connectors
2x 6-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.