RTX A4000 and Radeon Pro W6800X Duo - video card comparison
RTX A4000
Radeon Pro W6800X Duo
Architecture
Ampere (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
GA104
Navi 21
Market segment
Workstation
Workstation
Release date
April 2021
August 2021
Interface
PCIe 4.0 x16
Apple MPX
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1560 MHz
1967 MHz
Manufacturing process technology
8 nm
7 nm
Number of transistors
17,400 million
26,800 million
Pipelines / CUDA cores
6144
3840
Power consumption (TDP)
140 Watt
400 Watt
Texture fill rate
299.5
472.1
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
32 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
14 GB/s
16 GB/s
Memory bandwidth
448.0 GB/s
512.0 GB/s
Display Connectors
4x DisplayPort 1.4a
1x HDMI 2.1, 4x Thunderbolt
HDMI
-
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.6
-
OpenCL
3.0
2.1
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3