GeForce GT 420 OEM and A2 - video card comparison
GeForce GT 420 OEM
A2
Architecture
Fermi (2010−2014)
Ampere (2020−2022)
GPU code name
GF108
GA107
Market segment
Desktop
Desktop
Release date
September 2010
November 2021
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1770 MHz
Core clock speed
700 MHz
-
Floating-point performance
134.4 gflops
-
Manufacturing process technology
40 nm
8 nm
Number of transistors
585 million
-
Pipelines / CUDA cores
48
1280
Power consumption (TDP)
50 Watt
60 Watt
Texture fill rate
2.800
70.80
Memory type
DDR3
GDDR6
Maximum RAM amount
1 GB
16 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
12.5 GB/s
Memory bandwidth
28.8 GB/s
200.1 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
2.1
8.6
OpenCL
1.1
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
N/A
1.2