HD Graphics 620 and Radeon RX 550X Mobile - video card comparison
HD Graphics 620
Radeon RX 550X Mobile
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Polaris (2016−2019)
GPU code name
Kaby-Lake GT2
Polaris 12
Market segment
Laptop
Laptop
Release date
August 2016
January 2019
Interface
PCIe 3.0 x1
PCIe 3.0 x8
Boost clock speed
1050 MHz
1287 MHz
Core clock speed
300 MHz
1176 MHz
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
189 million
2,200 million
Pipelines / CUDA cores
24
640
Power consumption (TDP)
15 Watt
50 Watt
Texture fill rate
25.20
51.48
Memory type
DDR3L/LPDDR3/LPDDR4
GDDR5
Maximum RAM amount
32 GB
4 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
7000 MHz
Memory bandwidth
-
96 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (12_0)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
+
1.2.131
FreeSync
-
+
Quick Sync
+
-