UHD Graphics 620 and Radeon RX 6400 - video card comparison
Passmark - benchmark score UHD Graphics 620 vs Radeon RX 6400
UHD Graphics 620
1061
Radeon RX 6400
7778
UHD Graphics 620
Radeon RX 6400
Architecture
Gen. 9.5 (2017)
RDNA 2.0 (2020−2022)
GPU code name
Kaby-Lake-Refresh GT2
Navi 24
Market segment
Laptop
Desktop
Release date
September 2017
January 2022
Interface
PCIe 3.0 x1
PCIe 4.0 x4
Supplementary power connectors
-
None
Boost clock speed
1150 MHz
2321 MHz
Core clock speed
300 MHz
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
189 million
5,400 million
Pipelines / CUDA cores
24
768
Power consumption (TDP)
15 Watt
53 Watt
Texture fill rate
27.60
111.4
Memory type
LPDDR3/DDR4
GDDR6
Maximum RAM amount
32 GB
4 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
16 GB/s
Memory bandwidth
-
128.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenCL
2.1
2.2
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
1.1.103
1.3
Quick Sync
+
-