Radeon HD 6870 X2 and RSX-90nm - video card comparison
Radeon HD 6870 X2
RSX-90nm
Architecture
TeraScale 2 (2009−2015)
Curie (2003−2013)
GPU code name
Barts
RSX-90nm
Market segment
Desktop
Desktop
Release date
July 2011
-
Interface
PCIe 2.0 x16
-
Core clock speed
900 MHz
-
Floating-point performance
2x 2,016.0 gflops
-
Manufacturing process technology
40 nm
90 nm
Number of transistors
1,700 million
300 million
Pipelines / CUDA cores
1120
-
Power consumption (TDP)
300 Watt
-
Texture fill rate
50.40
-
Memory type
GDDR5
-
Maximum RAM amount
1 GB
-
Memory bus width
256 Bit
-
Memory clock speed
4200 MHz
-
Memory bandwidth
134.4 GB/s
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
-
HDMI
+
-
DirectX
11.2 (11_0)
N/A
OpenCL
1.2
N/A
OpenGL
4.4
ES 1.1
Shader Model
5.0
-
Vulkan
N/A
N/A