HD Graphics 620 and Radeon RX 6900 - video card comparison
Passmark - benchmark score HD Graphics 620 vs Radeon RX 6900
HD Graphics 620
963
Radeon RX 6900
27641
HD Graphics 620
Radeon RX 6900
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
RDNA 2.0 (2020−2022)
GPU code name
Kaby-Lake GT2
Navi 21
Market segment
Laptop
Desktop
Release date
August 2016
October 2020
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
1050 MHz
2105 MHz
Core clock speed
300 MHz
-
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
189 million
23,000 million
Pipelines / CUDA cores
24
4608
Power consumption (TDP)
15 Watt
255 Watt
Texture fill rate
25.20
606.2
Memory type
DDR3L/LPDDR3/LPDDR4
GDDR6
Maximum RAM amount
32 GB
16 GB
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
System Shared
16 GB/s
Memory bandwidth
-
512.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
+
1.2
Quick Sync
+
-