HD Graphics 400 and Radeon 540X - video card comparison
HD Graphics 400
Radeon 540X
Architecture
Generation 8.0 (2014−2015)
GCN 4.0 (2016−2020)
GPU code name
Braswell GT1
Lexa
Market segment
Desktop
Laptop
Release date
April 2015
August 2019
Interface
PCIe 3.0 x1
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
640 MHz
1219 MHz
Core clock speed
320 MHz
-
Floating-point performance
134.4 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
189 million
2,200 million
Pipelines / CUDA cores
96
512
Power consumption (TDP)
6 Watt
50 Watt
Texture fill rate
7.680
33.47
Memory type
DDR3L
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
6000 MHz
Memory bandwidth
-
112.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.3
4.6
Shader Model
5.1
6.4
Vulkan
1.1.80
1.2.131