Radeon 620 and Radeon RX 6600 XT - video card comparison
Passmark - benchmark score Radeon 620 vs Radeon RX 6600 XT
Radeon 620
924
Radeon RX 6600 XT
16985
Radeon 620
Radeon RX 6600 XT
Architecture
GCN 1.0 (2012−2020)
Navi / RDNA2 (2020−2022)
GPU code name
Polaris 24
Navi 23
Market segment
Laptop
Desktop
Release date
August 2019
July 2021
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
1x 8-pin
Boost clock speed
1024 MHz
2589 MHz
Core clock speed
-
1968 MHz
Manufacturing process technology
28 nm
7 nm
Number of transistors
1,550 million
11,060 million
Pipelines / CUDA cores
384
2048
Power consumption (TDP)
50 Watt
160 (TGP) Watt
Texture fill rate
24.58
331.4
Memory type
DDR3, GDDR5
GDDR6
Maximum RAM amount
4 GB
8 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2250 MHz
16000 MHz
Memory bandwidth
14.4 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 2x DisplayPort
HDMI
-
+
DirectX
12 (12_0)
12.0 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.3
6.5
Vulkan
1.2.131
1.2