GeForce GT 620 and Radeon RX 6900 XTX - video card comparison
GeForce GT 620
Radeon RX 6900 XTX
Architecture
Fermi (2010−2014)
RDNA 2.0 (2020−2022)
GPU code name
GF108
Navi 21
Market segment
Desktop
Desktop
Release date
May 2012
October 2020
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
-
2435 MHz
Core clock speed
700 MHz
-
CUDA cores
96
-
Floating-point performance
268.8 gflops
-
Manufacturing process technology
40 nm
7 nm
Number of transistors
585 million
26,800 million
Pipelines / CUDA cores
96
5120
Power consumption (TDP)
49 Watt
330 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
11.2 billion/sec
779.2
Memory type
DDR3
GDDR6
Maximum RAM amount
1 GB
16 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1.8 GB/s
18 GB/s
Memory bandwidth
14.4 GB/s
576.0 GB/s
Display Connectors
Dual Link DVI-I, HDMI, VGA
1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
Multi monitor support
+
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.2
4.6
Shader Model
5.1
6.7
Vulkan
N/A
1.3
3D Blu-Ray
+
-