Radeon RX 540X and Radeon RX 6400 - video card comparison
Radeon RX 540X
Radeon RX 6400
Architecture
GCN 4.0 (2016−2020)
RDNA 2.0 (2020−2022)
GPU code name
Polaris 12
Navi 24
Market segment
Laptop
Desktop
Release date
March 2018
January 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
1219 MHz
2321 MHz
Manufacturing process technology
14 nm
6 nm
Number of transistors
2,200 million
5,400 million
Pipelines / CUDA cores
512
768
Power consumption (TDP)
50 Watt
53 Watt
Texture fill rate
35.97
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6000 MHz
16 GB/s
Memory bandwidth
112.0 GB/s
128.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI
+
+
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
2.2
OpenGL
4.6
4.6
Shader Model
6.4
6.6
Vulkan
1.2.131
1.3
FreeSync
+
-