
Radeon HD 2600 XT and Radeon X1800 XT - video card comparison
Radeon HD 2600 XT
Radeon X1800 XT
Architecture
TeraScale (2005−2013)
R500 (2005−2007)
GPU code name
RV630
R520
Market segment
Desktop
Desktop
Release date
June 2007
October 2005
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
800 MHz
600 MHz
Floating-point performance
192 gflops
-
Manufacturing process technology
65 nm
90 nm
Number of transistors
390 million
321 million
Pipelines / CUDA cores
120
-
Power consumption (TDP)
45 Watt
113 Watt
Texture fill rate
6.400
9.600
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1400 MHz
1400 MHz
Memory bandwidth
22.4 GB/s
44.8 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
2.0
Shader Model
4.0
3.0
Vulkan
N/A
N/A