Radeon RX 6900 and RTX A4000 - video card comparison
Passmark - benchmark score Radeon RX 6900 vs RTX A4000
Radeon RX 6900
27641
RTX A4000
19982
Radeon RX 6900
RTX A4000
Architecture
RDNA 2.0 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 21
GA104
Market segment
Desktop
Workstation
Release date
October 2020
April 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 6-pin
Boost clock speed
2105 MHz
1560 MHz
Manufacturing process technology
7 nm
8 nm
Number of transistors
23,000 million
17,400 million
Pipelines / CUDA cores
4608
6144
Power consumption (TDP)
255 Watt
140 Watt
Texture fill rate
606.2
299.5
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
16 GB/s
14 GB/s
Memory bandwidth
512.0 GB/s
448.0 GB/s
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
4x DisplayPort 1.4a
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3