Radeon HD 5870 and Radeon HD 6970 X2 - video card comparison
Radeon HD 5870
Radeon HD 6970 X2
Architecture
TeraScale 2 (2009−2015)
TeraScale 3 (2010−2013)
GPU code name
Cypress
Antilles
Market segment
Desktop
Desktop
Release date
September 2009
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
3x 8-pin
Core clock speed
850 MHz
880 MHz
Floating-point performance
2,720.0 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,154 million
2,640 million
Pipelines / CUDA cores
1600
1536
Power consumption (TDP)
188 Watt
375 Watt
Texture fill rate
68.00
84.48
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4800 MHz
5.5 GB/s
Memory bandwidth
153.6 GB/s
176.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2
HDMI
+
+
DirectX
11.2 (11_0)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
N/A
N/A