Radeon HD 4550 and Radeon HD 5450 PCI - video card comparison
Radeon HD 4550
Radeon HD 5450 PCI
Architecture
TeraScale (2005−2013)
TeraScale 2 (2009−2015)
GPU code name
RV710
Cedar
Market segment
Desktop
Desktop
Release date
September 2008
February 2010
Interface
PCIe 2.0 x16
PCI
Supplementary power connectors
None
None
Core clock speed
600 MHz
650 MHz
Floating-point performance
96 gflops
104 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
242 million
292 million
Pipelines / CUDA cores
80
80
Power consumption (TDP)
25 Watt
19 Watt
Texture fill rate
4.800
5.200
Memory type
DDR2
DDR2
Maximum RAM amount
256 MB
512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1310 MHz
666 MHz
Memory bandwidth
10.48 GB/s
5.328 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI
HDMI
+
+
DirectX
10.1 (10_1)
11.2 (11_0)
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A