HD Graphics 620 and Radeon RX 7800 XT - video card comparison
Passmark - benchmark score HD Graphics 620 vs Radeon RX 7800 XT
HD Graphics 620
963
Radeon RX 7800 XT
24808
HD Graphics 620
Radeon RX 7800 XT
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
RDNA 3
GPU code name
Kaby-Lake GT2
Navi 32
Market segment
Laptop
Desktop
Release date
August 2016
August 2023
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
1050 MHz
2430 MHz
Core clock speed
300 MHz
-
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
5 nm
Number of transistors
189 million
28,100 million
Pipelines / CUDA cores
24
3840
Power consumption (TDP)
15 Watt
263 Watt
Texture fill rate
25.20
604.8
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
19500 MHz
Memory bandwidth
-
576.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x HDMI 2.1a, 3x DisplayPort 2.1
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenCL
2.1
2.2
OpenGL
4.6
4.6
Shader Model
6.4
6.7
Vulkan
+
1.3
Quick Sync
+
-