GeForce GT 620 and Radeon HD 5450 PCIe x1 - video card comparison
GeForce GT 620
Radeon HD 5450 PCIe x1
Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
GF108
Cedar
Market segment
Desktop
Desktop
Release date
May 2012
February 2010
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x1
Supplementary power connectors
None
-
Core clock speed
700 MHz
650 MHz
CUDA cores
96
-
Floating-point performance
268.8 gflops
104 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
292 million
Pipelines / CUDA cores
96
80
Power consumption (TDP)
49 Watt
19 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
11.2 billion/sec
5.200
Memory type
DDR3
DDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1.8 GB/s
1000 MHz
Memory bandwidth
14.4 GB/s
8 GB/s
Display Connectors
Dual Link DVI-I, HDMI, VGA
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
+
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.2
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A
3D Blu-Ray
+
-