Radeon RX 460 1024SP and Radeon RX 6400 - video card comparison
Radeon RX 460 1024SP
Radeon RX 6400
Architecture
GCN 4.0 (2016−2020)
RDNA 2.0 (2020−2022)
GPU code name
Baffin
Navi 24
Market segment
Desktop
Desktop
Release date
January 2017
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
2,458 gflops
-
Manufacturing process technology
14 nm
6 nm
Number of transistors
3,000 million
5,400 million
Pipelines / CUDA cores
1024
768
Power consumption (TDP)
75 Watt
53 Watt
Texture fill rate
76.80
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
2 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
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