Radeon RX 6400 and GeForce RTX 4080 - video card comparison
Passmark - benchmark score Radeon RX 6400 vs GeForce RTX 4080
Radeon RX 6400
7778
GeForce RTX 4080
35648
Radeon RX 6400
GeForce RTX 4080
Architecture
RDNA 2.0 (2020−2022)
Ada Lovelace
GPU code name
Navi 24
AD103-300-A1
Market segment
Desktop
Desktop
Release date
January 2022
September 2022
Interface
PCIe 4.0 x4
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
2321 MHz
2505 MHz
Core clock speed
-
2205 MHz
Manufacturing process technology
6 nm
5 nm
Number of transistors
5,400 million
45,900 million
Pipelines / CUDA cores
768
9728
Power consumption (TDP)
53 Watt
320 Watt
Texture fill rate
111.4
761.5
Memory type
GDDR6
GDDR6X
Maximum RAM amount
4 GB
16 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
16 GB/s
22400 MHz
Memory bandwidth
128.0 GB/s
716.8 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1, 1x DisplayPort 1.4a
1x HDMI 2.1, 3x 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
6.6
Vulkan
1.3
1.3