
HD Graphics 400 and Radeon RX 6400 - video card comparison
HD Graphics 400
Radeon RX 6400
Architecture
Generation 8.0 (2014−2015)
RDNA 2.0 (2020−2022)
GPU code name
Braswell GT1
Navi 24
Market segment
Desktop
Desktop
Release date
April 2015
January 2022
Interface
PCIe 3.0 x1
PCIe 4.0 x4
Supplementary power connectors
-
None
Boost clock speed
640 MHz
2321 MHz
Core clock speed
320 MHz
-
Floating-point performance
134.4 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
189 million
5,400 million
Pipelines / CUDA cores
96
768
Power consumption (TDP)
6 Watt
53 Watt
Texture fill rate
7.680
111.4
Memory type
DDR3L
GDDR6
Maximum RAM amount
8 GB
4 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
16 GB/s
Memory bandwidth
-
128.0 GB/s
Display Connectors
No outputs
1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenCL
2.0
2.2
OpenGL
4.3
4.6
Shader Model
5.1
6.6
Vulkan
1.1.80
1.3