UHD Graphics 620 and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score UHD Graphics 620 vs Radeon RX 6600 XT
UHD Graphics 620
1061
Radeon RX 6600 XT
16985
UHD Graphics 620
Radeon RX 6600 XT
Architecture
Gen. 9.5 (2017)
Navi / RDNA2 (2020−2022)
GPU code name
Kaby-Lake-Refresh GT2
Navi 23
Market segment
Laptop
Desktop
Release date
September 2017
July 2021
Interface
PCIe 3.0 x1
PCIe 4.0 x8
Supplementary power connectors
-
1x 8-pin
Boost clock speed
1150 MHz
2589 MHz
Core clock speed
300 MHz
1968 MHz
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
27.60
331.4
Memory type
LPDDR3/DDR4
GDDR6
Maximum RAM amount
32 GB
8 GB
Memory bus width
System Shared
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
1.1.103
1.2
Quick Sync
+
-