Mobility Radeon HD 4850 X2 and R250 - video card comparison
Mobility Radeon HD 4850 X2
R250
Architecture
TeraScale (2005−2013)
Rage 7 (2001−2006)
GPU code name
M98
R250
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
55 nm
150 nm
Number of transistors
956 million
60 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
10.1 (10_1)
8.1
OpenCL
1.1
N/A
OpenGL
3.3
1.4
Shader Model
4.1
-
Vulkan
N/A
N/A