Radeon RX 460 and Radeon RX 6400 - video card comparison
Passmark - benchmark score Radeon RX 460 vs Radeon RX 6400
Radeon RX 460
4225
Radeon RX 6400
7778
Radeon RX 460
Radeon RX 6400
Architecture
Polaris (2016−2019)
RDNA 2.0 (2020−2022)
GPU code name
Polaris 11 / Baffin XT
Navi 24
Market segment
Desktop
Desktop
Release date
August 2016
January 2022
Interface
PCIe 3.0 x8
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
1200 MHz
2321 MHz
Core clock speed
1090 MHz
-
Floating-point performance
2,150 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
3,000 million
5,400 million
Pipelines / CUDA cores
896
768
Power consumption (TDP)
75 Watt
53 Watt
Texture fill rate
67.20
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
7000 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
+
-