Radeon 540 and HD Graphics 620 - video card comparison
Passmark - benchmark score Radeon 540 vs HD Graphics 620
Radeon 540
1420
HD Graphics 620
963
Radeon 540
HD Graphics 620
Architecture
GCN 4.0 (2016−2020)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
Lexa
Kaby-Lake GT2
Market segment
Desktop
Laptop
Release date
April 2017
August 2016
Interface
PCIe 3.0 x8
PCIe 3.0 x1
Supplementary power connectors
None
-
Boost clock speed
1124 MHz
1050 MHz
Core clock speed
1183 MHz
300 MHz
Floating-point performance
-
403.2 gflops
Manufacturing process technology
14 nm
14 nm
Number of transistors
2,200 million
189 million
Pipelines / CUDA cores
384
24
Power consumption (TDP)
50 Watt
15 Watt
Texture fill rate
28.39
25.20
Memory type
GDDR5
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
1 GB
32 GB
Memory bus width
32 Bit
64/128 Bit
Memory clock speed
6 GB/s
System Shared
Memory bandwidth
24 GB/s
-
Shared memory
-
+
Display Connectors
2x DisplayPort 1.4a
No outputs
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.7
6.4
Vulkan
1.3
+
Quick Sync
-
+