AMD Radeon HD 8950 OEM vs ATI Radeon HD 5870 Eyefinity 6
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Mar 2010
Generation
Sea Islands
Evergreen
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
850 MHz
—
Boost Clock
925 MHz
—
Memory Clock
1250 MHz
1200 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
153.6GB/s
Render Config
Compute Units
28
20
Shading Units
1792
1600
TMUs
112
80
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
768 KB
512 KB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
27.20 GPixel/s
Texture Rate
103.6 GTexel/s
68.00 GTexel/s
FP32 (float)
3.315 TFLOPS
2.720 TFLOPS
FP64 (double)
828.8 GFLOPS
544.0 GFLOPS
Graphics Processor
GPU Name
Tahiti
Cypress
GPU Variant
Tahiti PRO(215-0821056)
Cypress XT(215-0735033)
Architecture
GCN 1.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
4.313 billion
2.154 billion
Die Size
352 mm²
334 mm²
Board Design
TDP
200W
228W
Suggested PSU
550 W
550 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
6x mini-DisplayPort 1.1
Power Connectors
2x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
1.2
1.2
Vulkan
1.2
N/A
Shader Model
5.1
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.