Radeon RX 6400 and RTX 4000 SFF Ada Generation - video card comparison
Passmark - benchmark score Radeon RX 6400 vs RTX 4000 SFF Ada Generation
Radeon RX 6400
7778
RTX 4000 SFF Ada Generation
22593
Radeon RX 6400
RTX 4000 SFF Ada Generation
Architecture
RDNA 2.0 (2020−2022)
Ada Lovelace
GPU code name
Navi 24
AD104
Market segment
Desktop
Desktop
Release date
January 2022
March 2023
Interface
PCIe 4.0 x4
PCIe 4.0 x16
Supplementary power connectors
None
None
Boost clock speed
2321 MHz
1565 MHz
Manufacturing process technology
6 nm
5 nm
Number of transistors
5,400 million
35,800 million
Pipelines / CUDA cores
768
6144
Power consumption (TDP)
53 Watt
70 Watt
Texture fill rate
111.4
300.5
Memory type
GDDR6
GDDR6
Maximum RAM amount
4 GB
20 GB
Memory bus width
64 Bit
160 Bit
Memory clock speed
16 GB/s
14 GB/s
Memory bandwidth
128.0 GB/s
280.0 GB/s
Display Connectors
1x HDMI 2.1, 1x DisplayPort 1.4a
4x mini-DisplayPort 1.4a
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.2
3.0
OpenGL
4.6
4.6
Shader Model
6.6
6.7
Vulkan
1.3
1.3