Radeon HD 3650 and Radeon X1950 XT - video card comparison
Radeon HD 3650
Radeon X1950 XT
Architecture
TeraScale (2005−2013)
R500 (2005−2007)
GPU code name
RV635
R580+
Market segment
Desktop
Desktop
Release date
January 2008
October 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
725 MHz
625 MHz
Floating-point performance
174 gflops
-
Manufacturing process technology
55 nm
90 nm
Number of transistors
378 million
384 million
Pipelines / CUDA cores
120
-
Power consumption (TDP)
65 Watt
96 Watt
Texture fill rate
5.800
10.00
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1600 MHz
1800 MHz
Memory bandwidth
25.6 GB/s
57.6 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
3.3
2.0
Shader Model
4.1
3.0
Vulkan
N/A
N/A