Radeon RX 5900 and Radeon RX 6400 - video card comparison
Radeon RX 5900
Radeon RX 6400
Architecture
RDNA 2.0 (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
Navi 21
Navi 24
Market segment
Desktop
Desktop
Release date
-
January 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x4
Supplementary power connectors
2x 8-pin
None
Boost clock speed
1635 MHz
2321 MHz
Manufacturing process technology
7 nm
6 nm
Number of transistors
21,000 million
5,400 million
Pipelines / CUDA cores
4096
768
Power consumption (TDP)
300 Watt
53 Watt
Texture fill rate
418.6
111.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
12 GB
4 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
14000 MHz
16 GB/s
Memory bandwidth
672.0 GB/s
128.0 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI
+
+
DirectX
12 Ultimate (12_1)
12 Ultimate (12_2)
OpenCL
-
2.2
OpenGL
4.6
4.6
Shader Model
-
6.6
Vulkan
-
1.3