ATI Radeon HD 5870 vs AMD Radeon HD 7870 GHz Edition
GPU Specs Compare
Graphics Card
Release Date
Sep 2009
Mar 2012
Generation
Evergreen
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1200 MHz
Memory
Memory Size
1024MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
153.6GB/s
Render Config
Compute Units
20
20
Shading Units
1600
1280
TMUs
80
80
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
32.00 GPixel/s
Texture Rate
68.00 GTexel/s
80.00 GTexel/s
FP32 (float)
2.720 TFLOPS
2.560 TFLOPS
FP64 (double)
544.0 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
Cypress
Pitcairn
GPU Variant
Cypress XT(215-0735033)
Pitcairn XT(215-0828047)
Architecture
TeraScale 2
GCN 1.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
2.8 billion
Die Size
334 mm²
212 mm²
Board Design
TDP
188W
175W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 6-pin
2x 6-pin
Graphics Features
DirectX
11.2 (11_0)
12 (11_1)
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
1.2
Shader Model
5.0
5.1