Radeon RX 6900 XT and GeForce RTX 4080 Max-Q - video card comparison
Radeon RX 6900 XT
GeForce RTX 4080 Max-Q
Architecture
Navi / RDNA2 (2020−2022)
Ada Lovelace
GPU code name
Navi 21
AD104
Market segment
Desktop
Desktop
Release date
December 2020
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
None
Boost clock speed
2250 MHz
1350 MHz
Core clock speed
1825 MHz
-
Manufacturing process technology
7 nm
4 nm
Number of transistors
26,800 million
35,800 million
Pipelines / CUDA cores
5120
7424
Power consumption (TDP)
300 Watt
60 Watt
Texture fill rate
720.0
313.2
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
12 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
16000 MHz
14 GB/s
Memory bandwidth
512.0 GB/s
336.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
Portable Device Dependent
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3