Radeon RX 6400 and Arc A780 - video card comparison
Radeon RX 6400
Arc A780
Architecture
RDNA 2.0 (2020−2022)
Generation 12.7 (2022)
GPU code name
Navi 24
DG2-512
Market segment
Desktop
Desktop
Release date
January 2022
2022
Interface
PCIe 4.0 x4
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
2321 MHz
2200 MHz
Manufacturing process technology
6 nm
6 nm
Number of transistors
5,400 million
21,700 million
Pipelines / CUDA cores
768
4096
Power consumption (TDP)
53 Watt
200 Watt
Texture fill rate
111.4
563.2
Memory type
GDDR6
GDDR6X
Maximum RAM amount
4 GB
16 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
16 GB/s
17.5 GB/s
Memory bandwidth
128.0 GB/s
559.6 GB/s
Display Connectors
1x HDMI 2.1, 1x DisplayPort 1.4a
1x HDMI 2.1, 3x DisplayPort 2.0
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.2
3.0
OpenGL
4.6
4.6
Shader Model
6.6
6.6
Vulkan
1.3
1.3