NVIDIA GeForce GTX 580 vs AMD Radeon HD 7870 XT
GPU · Specs Compare
Graphics Card
Release Date
Nov 2010
Nov 2012
Generation
GeForce 500
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1002 MHz
1500 MHz
Base Clock
—
925 MHz
Boost Clock
—
975 MHz
Memory
Memory Size
1536MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
192.4GB/s
192.0GB/s
Render Config
SM Count
16
—
Shading Units
512
1536
TMUs
64
96
ROPs
48
32
L1 Cache
64 KB (per SM)
16 KB (per CU)
L2 Cache
768 KB
512 KB
Compute Units
—
24
Theoretical Performance
Pixel Rate
24.70 GPixel/s
31.20 GPixel/s
Texture Rate
49.41 GTexel/s
93.60 GTexel/s
FP32 (float)
1.581 TFLOPS
2.995 TFLOPS
FP64 (double)
197.6 GFLOPS
748.8 GFLOPS
Graphics Processor
GPU Name
GF110
Tahiti
GPU Variant
GF110-375-A1
Tahiti LE(215-0821122)
Architecture
Fermi 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
3 billion
4.313 billion
Die Size
520 mm²
352 mm²
Board Design
TDP
244W
185W
Suggested PSU
550 W
450 W
Outputs
2x DVI1x mini-HDMI 1.3a
1x 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)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
1.1
1.2
Vulkan
N/A
1.2
CUDA
2.0
—
Shader Model
5.1
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.