Radeon HD 5450 and Radeon HD 4450 - video card comparison
Radeon HD 5450
Radeon HD 4450
Architecture
TeraScale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Cedar
RV710
Market segment
Desktop
Desktop
Release date
February 2010
November 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
650 MHz
600 MHz
Floating-point performance
104 gflops
96 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
292 million
242 million
Pipelines / CUDA cores
80
80
Power consumption (TDP)
19 Watt
25 Watt
Texture fill rate
5.200
4.800
Memory type
DDR2
DDR2
Maximum RAM amount
2 GB
512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
800 MHz
800 MHz
Memory bandwidth
6.4 GB/s
6.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
11.2 (11_0)
10.1 (10_1)
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A