Radeon HD 6450 OEM and Radeon X1950 GT - video card comparison
Radeon HD 6450 OEM
Radeon X1950 GT
Architecture
TeraScale 2 (2009−2015)
R500 (2005−2007)
GPU code name
Caicos
RV570
Market segment
Desktop
Desktop
Release date
February 2011
January 2007
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
625 MHz
500 MHz
Floating-point performance
200 gflops
-
Manufacturing process technology
40 nm
80 nm
Number of transistors
370 million
330 million
Pipelines / CUDA cores
160
-
Power consumption (TDP)
18 Watt
57 Watt
Texture fill rate
5.000
6.000
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1066 MHz
1200 MHz
Memory bandwidth
8.528 GB/s
38.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x S-Video
HDMI
+
-
DirectX
11.2 (11_0)
9.0c (9_3)
OpenCL
1.2
N/A
OpenGL
4.4
2.0
Shader Model
5.0
3.0
Vulkan
N/A
N/A