HD Graphics 620 and HD Graphics 400 Mobile - video card comparison
HD Graphics 620
HD Graphics 400 Mobile
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Generation 8.0 (2014−2015)
GPU code name
Kaby-Lake GT2
Braswell GT1
Market segment
Laptop
Laptop
Release date
August 2016
April 2015
Interface
PCIe 3.0 x1
Ring Bus
Boost clock speed
1050 MHz
600 MHz
Core clock speed
300 MHz
-
Floating-point performance
403.2 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
189 million
-
Pipelines / CUDA cores
24
96
Power consumption (TDP)
15 Watt
6 Watt
Texture fill rate
25.20
7.200
Memory type
DDR3L/LPDDR3/LPDDR4
System Shared
Maximum RAM amount
32 GB
System Shared
Memory bus width
64/128 Bit
System Shared
Memory clock speed
System Shared
System Shared
Shared memory
+
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (12_1)
12 (11_1)
OpenCL
2.1
3.0
OpenGL
4.6
4.3
Shader Model
6.4
5.1
Vulkan
+
+
Quick Sync
+
-