HD Graphics 620 and Arc A770 - video card comparison
Passmark - benchmark score HD Graphics 620 vs Arc A770
HD Graphics 620
963
Arc A770
10284
HD Graphics 620
Arc A770
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Alchemist
GPU code name
Kaby-Lake GT2
DG2-512
Market segment
Laptop
Desktop
Release date
August 2016
October 2022
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
1050 MHz
2400 MHz
Core clock speed
300 MHz
2100 MHz
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
189 million
21,700 million
Pipelines / CUDA cores
24
4096
Power consumption (TDP)
15 Watt
225 Watt
Texture fill rate
25.20
614.4
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 2.1, 3x DisplayPort 2.0
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
+
1.3
Quick Sync
+
-