Radeon RX 5900 and Radeon RX 6900 XT - video card comparison
Radeon RX 5900
Radeon RX 6900 XT
Architecture
RDNA 2.0 (2020−2022)
Navi / RDNA2 (2020−2022)
GPU code name
Navi 21
Navi 21
Market segment
Desktop
Desktop
Release date
-
December 2020
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
2x 8-pin
Boost clock speed
1635 MHz
2250 MHz
Core clock speed
-
1825 MHz
Manufacturing process technology
7 nm
7 nm
Number of transistors
21,000 million
26,800 million
Pipelines / CUDA cores
4096
5120
Power consumption (TDP)
300 Watt
300 Watt
Texture fill rate
418.6
720.0
Memory type
GDDR6
GDDR6
Maximum RAM amount
12 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
14000 MHz
16000 MHz
Memory bandwidth
672.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
+
+
DirectX
12 Ultimate (12_1)
12 Ultimate (12_2)
OpenCL
-
2.1
OpenGL
4.6
4.6
Shader Model
-
6.5
Vulkan
-
1.2