ATI Radeon HD 5870 vs AMD Radeon HD 7950M
GPU · Specs Compare
Graphics Card
Release Date
Sep 2009
Apr 2012
Generation
Evergreen
London
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1200 MHz
1000 MHz
Memory
Memory Size
1024MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
128.0GB/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
22.40 GPixel/s
Texture Rate
68.00 GTexel/s
56.00 GTexel/s
FP32 (float)
2.720 TFLOPS
1.792 TFLOPS
FP64 (double)
544.0 GFLOPS
—
Graphics Processor
GPU Name
Cypress
Wimbledon
GPU Variant
Cypress XT(215-0735033)
Wimbledon PRO
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
75W
Suggested PSU
450 W
—
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
No outputs
Power Connectors
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.