Radeon RX 6900 and Radeon RX 6900 XTX - video card comparison
Radeon RX 6900
Radeon RX 6900 XTX
Architecture
RDNA 2.0 (2020−2022)
RDNA 2.0 (2020−2022)
GPU code name
Navi 21
Navi 21
Market segment
Desktop
Desktop
Release date
October 2020
October 2020
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
2x 8-pin
Boost clock speed
2105 MHz
2435 MHz
Manufacturing process technology
7 nm
7 nm
Number of transistors
23,000 million
26,800 million
Pipelines / CUDA cores
4608
5120
Power consumption (TDP)
255 Watt
330 Watt
Texture fill rate
606.2
779.2
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
16 GB/s
18 GB/s
Memory bandwidth
512.0 GB/s
576.0 GB/s
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3