HD Graphics 400 and Radeon 780M - video card comparison
HD Graphics 400
Radeon 780M
Architecture
Generation 8.0 (2014−2015)
RDNA 3
GPU code name
Braswell GT1
Phoenix
Market segment
Desktop
Laptop
Release date
April 2015
January 2023
Interface
PCIe 3.0 x1
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
640 MHz
3000 MHz
Core clock speed
320 MHz
1500 MHz
Floating-point performance
134.4 gflops
-
Manufacturing process technology
14 nm
4 nm
Number of transistors
189 million
25,390 million
Pipelines / CUDA cores
96
768
Power consumption (TDP)
6 Watt
54 Watt (35 - 54 Watt TGP)
Texture fill rate
7.680
139.2
Memory type
DDR3L
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
System Shared
System Shared
Memory clock speed
System Shared
System Shared
Shared memory
-
+
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.3
4.6
Shader Model
5.1
6.7
Vulkan
1.1.80
1.3