RTX A4000 and Radeon RX 6400 - video card comparison
Passmark - benchmark score RTX A4000 vs Radeon RX 6400
RTX A4000
19982
Radeon RX 6400
7776
RTX A4000
Radeon RX 6400
Architecture
Ampere (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
GA104
Navi 24
Market segment
Workstation
Desktop
Release date
April 2021
January 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x4
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1560 MHz
2321 MHz
Manufacturing process technology
8 nm
6 nm
Number of transistors
17,400 million
5,400 million
Pipelines / CUDA cores
6144
768
Power consumption (TDP)
140 Watt
53 Watt
Texture fill rate
299.5
111.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
14 GB/s
16 GB/s
Memory bandwidth
448.0 GB/s
128.0 GB/s
Display Connectors
4x DisplayPort 1.4a
1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI
-
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.6
-
OpenCL
3.0
2.2
OpenGL
4.6
4.6
Shader Model
6.7
6.6
Vulkan
1.3
1.3