
Radeon 620 and GeForce RTX 4090 - video card comparison
Passmark - benchmark score Radeon 620 vs GeForce RTX 4090
Radeon 620
924
GeForce RTX 4090
39777
Radeon 620
GeForce RTX 4090
Architecture
GCN 1.0 (2012−2020)
Ada Lovelace
GPU code name
Polaris 24
AD102-300-A1
Market segment
Laptop
Desktop
Release date
August 2019
September 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
1024 MHz
2520 MHz
Core clock speed
-
2235 MHz
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,550 million
76,300 million
Pipelines / CUDA cores
384
16384
Power consumption (TDP)
50 Watt
450 Watt
Texture fill rate
24.58
1,290
Memory type
DDR3, GDDR5
GDDR6X
Maximum RAM amount
4 GB
24 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
2250 MHz
21000 MHz
Memory bandwidth
14.4 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (12_0)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.3
6.6
Vulkan
1.2.131
1.3