Radeon RX 580 and Radeon RX 6400 - video card comparison
Passmark - benchmark score Radeon RX 580 vs Radeon RX 6400
Radeon RX 580
9140
Radeon RX 6400
7776
Radeon RX 580
Radeon RX 6400
Architecture
Polaris (2016−2019)
RDNA 2.0 (2020−2022)
GPU code name
Polaris 20
Navi 24
Market segment
Desktop
Desktop
Release date
April 2017
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1340 MHz
2321 MHz
Core clock speed
1257 MHz
-
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
5,700 million
5,400 million
Pipelines / CUDA cores
2304
768
Power consumption (TDP)
185 Watt
53 Watt
Texture fill rate
193.0
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
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