HD Graphics 620 and Radeon RX 6800 XT - video card comparison
Passmark - benchmark score HD Graphics 620 vs Radeon RX 6800 XT
HD Graphics 620
963
Radeon RX 6800 XT
25787
HD Graphics 620
Radeon RX 6800 XT
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Navi / RDNA2 (2020−2022)
GPU code name
Kaby-Lake GT2
Navi 21
Market segment
Laptop
Desktop
Release date
August 2016
November 2020
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
1050 MHz
2250 MHz
Core clock speed
300 MHz
1825 MHz
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
189 million
26,800 million
Pipelines / CUDA cores
24
4608
Power consumption (TDP)
15 Watt
300 Watt
Texture fill rate
25.20
648.0
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
16000 MHz
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
+
-