
Radeon RX 6900 XTX and A2 - video card comparison
Radeon RX 6900 XTX
A2
Architecture
RDNA 2.0 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 21
GA107
Market segment
Desktop
Desktop
Release date
October 2020
November 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
2x 8-pin
None
Boost clock speed
2435 MHz
1770 MHz
Manufacturing process technology
7 nm
8 nm
Number of transistors
26,800 million
-
Pipelines / CUDA cores
5120
1280
Power consumption (TDP)
330 Watt
60 Watt
Texture fill rate
779.2
70.80
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
18 GB/s
12.5 GB/s
Memory bandwidth
576.0 GB/s
200.1 GB/s
Display Connectors
1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
No outputs
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.6
Vulkan
1.3
1.2