HD Graphics 620 and Radeon RX 7900 XTX - video card comparison
Passmark - benchmark score HD Graphics 620 vs Radeon RX 7900 XTX
HD Graphics 620
963
Radeon RX 7900 XTX
31822
HD Graphics 620
Radeon RX 7900 XTX
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
RDNA 3
GPU code name
Kaby-Lake GT2
Navi 31 XTX
Market segment
Laptop
Desktop
Release date
August 2016
November 2022
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
1050 MHz
2270 MHz
Core clock speed
300 MHz
-
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
5 nm
Number of transistors
189 million
57,700 million
Pipelines / CUDA cores
24
6144
Power consumption (TDP)
15 Watt
355 Watt
Texture fill rate
25.20
959.6
Memory type
DDR3L/LPDDR3/LPDDR4
GDDR6
Maximum RAM amount
32 GB
24 GB
Memory bus width
64/128 Bit
384 Bit
Memory clock speed
System Shared
20000 MHz
Memory bandwidth
-
960.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.7
Vulkan
+
1.3
Quick Sync
+
-