Mobility Radeon X1900 and Mobility Radeon X1800 - video card comparison
Mobility Radeon X1900
Mobility Radeon X1800
Architecture
R500 (2005−2007)
R500 (2005−2007)
GPU code name
M59
M58
Market segment
Laptop
Laptop
Release date
January 2007
March 2006
Interface
PCIe 1.0 x16
MXM-III
Boost clock speed
400 MHz
450 MHz
Core clock speed
8 MHz
6 MHz
Manufacturing process technology
80 nm
90 nm
Number of transistors
384 million
321 million
Pipelines / CUDA cores
44
18
Texture fill rate
4.800
5.400
Memory type
DDR1/DDR2/GDDR3
GDDR3
Maximum RAM amount
256 MB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
960 MHz
1000 MHz
Memory bandwidth
30.72 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
9.0c (9_3)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
2.0
2.0
Shader Model
3.0
3.0
Vulkan
N/A
N/A