HD Graphics 620 and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score HD Graphics 620 vs Radeon RX 6600 XT
HD Graphics 620
963
Radeon RX 6600 XT
16985
HD Graphics 620
Radeon RX 6600 XT
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Navi / RDNA2 (2020−2022)
GPU code name
Kaby-Lake GT2
Navi 23
Market segment
Laptop
Desktop
Release date
August 2016
July 2021
Interface
PCIe 3.0 x1
PCIe 4.0 x8
Supplementary power connectors
-
1x 8-pin
Boost clock speed
1050 MHz
2589 MHz
Core clock speed
300 MHz
1968 MHz
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
189 million
11,060 million
Pipelines / CUDA cores
24
2048
Power consumption (TDP)
15 Watt
160 (TGP) Watt
Texture fill rate
25.20
331.4
Memory type
DDR3L/LPDDR3/LPDDR4
GDDR6
Maximum RAM amount
32 GB
8 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
16000 MHz
Memory bandwidth
-
256.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x HDMI, 2x DisplayPort
HDMI
-
+
DirectX
12 (12_1)
12.0 Ultimate (12_2)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
+
1.2
Quick Sync
+
-