Radeon HD 2600 XT and Radeon X1900 XT - video card comparison
Radeon HD 2600 XT
Radeon X1900 XT
Architecture
TeraScale (2005−2013)
R500 (2005−2007)
GPU code name
RV630
R580
Market segment
Desktop
Desktop
Release date
June 2007
January 2006
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
800 MHz
625 MHz
Floating-point performance
192 gflops
-
Manufacturing process technology
65 nm
90 nm
Number of transistors
390 million
384 million
Pipelines / CUDA cores
120
-
Power consumption (TDP)
45 Watt
100 Watt
Texture fill rate
6.400
10.00
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1400 MHz
1450 MBps
Memory bandwidth
22.4 GB/s
46.4 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.0 (10_0)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
3.3
2.1 (full)
Shader Model4.03.0
Vulkan
N/A
N/A