ATI Radeon HD 5870 Eyefinity 6 vs AMD Radeon HD 7950 Boost
GPU · Specs Compare
Graphics Card
Release Date
Mar 2010
Jun 2012
Generation
Evergreen
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1250 MHz
Base Clock
—
850 MHz
Boost Clock
—
925 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
153.6GB/s
240.0GB/s
Render Config
Compute Units
20
28
Shading Units
1600
1792
TMUs
80
112
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
768 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
29.60 GPixel/s
Texture Rate
68.00 GTexel/s
103.6 GTexel/s
FP32 (float)
2.720 TFLOPS
3.315 TFLOPS
FP64 (double)
544.0 GFLOPS
828.8 GFLOPS
Graphics Processor
GPU Name
Cypress
Tahiti
GPU Variant
Cypress XT(215-0735033)
Tahiti PRO2(215-0821282)
Architecture
TeraScale 2
GCN 1.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
4.313 billion
Die Size
334 mm²
352 mm²
Board Design
TDP
228W
200W
Suggested PSU
550 W
550 W
Outputs
6x mini-DisplayPort 1.1
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.