Radeon HD 6870 X2 and Radeon HD 5830 - video card comparison
Radeon HD 6870 X2
Radeon HD 5830
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Barts
Cypress
Market segment
Desktop
Desktop
Release date
July 2011
February 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
2x 6-pin
Core clock speed
900 MHz
800 MHz
Floating-point performance
2x 2,016.0 gflops
1,792.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
2,154 million
Pipelines / CUDA cores
1120
1120
Power consumption (TDP)
300 Watt
175 Watt
Texture fill rate
50.40
44.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4200 MHz
4000 MHz
Memory bandwidth
134.4 GB/s
128.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
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