Radeon RX 590 and Radeon RX 6400 - video card comparison
Passmark - benchmark score Radeon RX 590 vs Radeon RX 6400
Radeon RX 590
9695
Radeon RX 6400
7778
Radeon RX 590
Radeon RX 6400
Architecture
Polaris (2016−2019)
RDNA 2.0 (2020−2022)
GPU code name
Polaris 30
Navi 24
Market segment
Desktop
Desktop
Release date
November 2018
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1545 MHz
2321 MHz
Core clock speed
1469 MHz
-
Manufacturing process technology
12 nm
6 nm
Number of transistors
5,700 million
5,400 million
Pipelines / CUDA cores
2304
768
Power consumption (TDP)
175 Watt
53 Watt
Texture fill rate
222.5
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
8000 MHz
16 GB/s
Memory bandwidth
256.0 GB/s
128.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x 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
+
-