HD Graphics 400 and UHD Graphics 770 - video card comparison
HD Graphics 400
UHD Graphics 770
Architecture
Generation 8.0 (2014−2015)
Alder Lake
GPU code name
Braswell GT1
Alder Lake xG
Market segment
Desktop
Desktop
Release date
April 2015
January 2022
Interface
PCIe 3.0 x1
Ring Bus
Boost clock speed
640 MHz
300 MHz
Core clock speed
320 MHz
-
Floating-point performance
134.4 gflops
-
Manufacturing process technology
14 nm
10 nm
Number of transistors
189 million
-
Pipelines / CUDA cores
96
32
Power consumption (TDP)
6 Watt
15 Watt
Texture fill rate
7.680
26.40
Memory type
DDR3L
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
System Shared
System Shared
Memory clock speed
System Shared
1550 MHz
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_1)
OpenCL
2.0
3.0
OpenGL
4.3
4.6
Shader Model
5.1
6.4
Vulkan
1.1.80
1.3