Radeon RX 6900 XT and GeForce RTX 3080 Max-Q - video card comparison
Radeon RX 6900 XT
GeForce RTX 3080 Max-Q
Architecture
Navi / RDNA2 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 21
GN20-E7 GA104
Market segment
Desktop
Laptop
Release date
December 2020
January 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
None
Boost clock speed
2250 MHz
1245 MHz
Core clock speed
1825 MHz
780 MHz
Manufacturing process technology
7 nm
8 nm
Number of transistors
26,800 million
17,400 million
Pipelines / CUDA cores
5120
6144
Power consumption (TDP)
300 Watt
80 Watt
Texture fill rate
720.0
239.0
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
16000 MHz
6000 MHz
Memory bandwidth
512.0 GB/s
320.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.2