RSX-90nm and Mobility Radeon HD 4850 X2 - video card comparison
RSX-90nm
Mobility Radeon HD 4850 X2
Architecture
Curie (2003−2013)
TeraScale (2005−2013)
GPU code name
RSX-90nm
M98
Market segment
Desktop
Desktop
Release date
-
January 2009
Interface
-
PCIe 2.0 x16
Core clock speed
-
500 MHz
Floating-point performance
-
2x 800.0 gflops
Manufacturing process technology
90 nm
55 nm
Number of transistors
300 million
956 million
Pipelines / CUDA cores
-
800
Texture fill rate
-
20.00
Memory type
-
GDDR5
Maximum RAM amount
-
1 GB
Memory bus width
-
256 Bit
Memory clock speed
-
2800 MHz
Memory bandwidth
-
89.6 GB/s
Display Connectors
-
No outputs
DirectX
N/A
10.1 (10_1)
OpenCL
N/A
1.1
OpenGL
ES 1.1
3.3
Shader Model
-
4.1
Vulkan
N/A
N/A