Radeon X1950 XTX and Radeon HD 4550 - video card comparison
Radeon X1950 XTX
Radeon HD 4550
Architecture
R500 (2005−2007)
TeraScale (2005−2013)
GPU code name
R580+
RV710
Market segment
Desktop
Desktop
Release date
October 2006
September 2008
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
650 MHz
600 MHz
Floating-point performance
-
96 gflops
Manufacturing process technology
90 nm
55 nm
Number of transistors
384 million
242 million
Pipelines / CUDA cores
-
80
Power consumption (TDP)
125 Watt
25 Watt
Texture fill rate
10.40
4.800
Memory type
GDDR4
DDR2
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
2000 MHz
1310 MHz
Memory bandwidth
64 GB/s
10.48 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
9.0c (9_3)
10.1 (10_1)
OpenCL
N/A
1.1
OpenGL
2.0
3.3
Shader Model
3.0
4.1
Vulkan
N/A
N/A