Radeon HD 5450 and GeForce GT 420 OEM - video card comparison
Radeon HD 5450
GeForce GT 420 OEM
Architecture
TeraScale 2 (2009−2015)
Fermi (2010−2014)
GPU code name
Cedar
GF108
Market segment
Desktop
Desktop
Release date
February 2010
September 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
650 MHz
700 MHz
Floating-point performance
104 gflops
134.4 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
292 million
585 million
Pipelines / CUDA cores
80
48
Power consumption (TDP)
19 Watt
50 Watt
Texture fill rate
5.200
2.800
Memory type
DDR2
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
800 MHz
1800 MHz
Memory bandwidth
6.4 GB/s
28.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
N/A