HD Graphics 405 and UHD Graphics 770 - video card comparison
HD Graphics 405
UHD Graphics 770
Architecture
Gen. 8 (2015−2016)
Alder Lake
GPU code name
Braswell
Alder Lake xG
Market segment
Laptop
Desktop
Release date
April 2016
January 2022
Interface
PCIe 3.0 x1
Ring Bus
Boost clock speed
700 MHz
300 MHz
Core clock speed
320 MHz
-
Floating-point performance
213.1 gflops
-
Manufacturing process technology
14 nm
10 nm
Number of transistors
189 million
-
Pipelines / CUDA cores
16
32
Power consumption (TDP)
6 Watt
15 Watt
Texture fill rate
11.20
26.40
Memory type
System Shared
System Shared
Maximum RAM amount
System Shared
System Shared
Memory bus width
64/128 Bit
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