GeForce GT 620 OEM and Radeon RX 6900 - video card comparison
GeForce GT 620 OEM
Radeon RX 6900
Architecture
Fermi 2.0 (2010−2014)
RDNA 2.0 (2020−2022)
GPU code name
GF119
Navi 21
Market segment
Desktop
Desktop
Release date
April 2012
October 2020
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
-
2105 MHz
Core clock speed
810 MHz
-
Floating-point performance
155.5 gflops
-
Manufacturing process technology
40 nm
7 nm
Number of transistors
292 million
23,000 million
Pipelines / CUDA cores
48
4608
Power consumption (TDP)
30 Watt
255 Watt
Texture fill rate
6.480
606.2
Memory type
DDR3
GDDR6
Maximum RAM amount
512 MB
16 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1796 MHz
16 GB/s
Memory bandwidth
14.37 GB/s
512.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
+
+
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
2.1
-
OpenCL
1.1
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
N/A
1.2