AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX 580
GPU Specs Compare
Graphics Card
Release Date
Nov 2012
Nov 2010
Generation
Southern Islands
GeForce 500
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
925 MHz
-
Boost Clock
975 MHz
-
Memory Clock
1500 MHz
1002 MHz
Memory
Memory Size
2GB
1536MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
192.0GB/s
192.4GB/s
Render Config
Compute Units
24
-
Shading Units
1536
512
TMUs
96
64
ROPs
32
48
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
768 KB
SM Count
-
16
Theoretical Performance
Pixel Rate
31.20 GPixel/s
24.70 GPixel/s
Texture Rate
93.60 GTexel/s
49.41 GTexel/s
FP32 (float)
2.995 TFLOPS
1.581 TFLOPS
FP64 (double)
748.8 GFLOPS
197.6 GFLOPS
Graphics Processor
GPU Name
Tahiti
GF110
GPU Variant
Tahiti LE(215-0821122)
GF110-375-A1
Architecture
GCN 1.0
Fermi 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
4.313 billion
3 billion
Die Size
352 mm²
520 mm²
Board Design
TDP
185W
244W
Suggested PSU
450 W
550 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
2x DVI1x mini-HDMI 1.3a
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
1.1
Vulkan
1.2
N/A
Shader Model
5.1
5.1
CUDA
-
2.0