Radeon RX 6900 XT and GeForce RTX 4080 Ti - video card comparison
Radeon RX 6900 XT
GeForce RTX 4080 Ti
Architecture
Navi / RDNA2 (2020−2022)
Ada Lovelace
GPU code name
Navi 21
AD102
Market segment
Desktop
Desktop
Release date
December 2020
2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 16-pin
Boost clock speed
2250 MHz
2610 MHz
Core clock speed
1825 MHz
-
Manufacturing process technology
7 nm
5 nm
Number of transistors
26,800 million
76,300 million
Pipelines / CUDA cores
5120
14080
Power consumption (TDP)
300 Watt
400 Watt
Texture fill rate
720.0
1,148
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
16000 MHz
21.2 GB/s
Memory bandwidth
512.0 GB/s
678.4 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 2x DisplayPort, 1x USB Type-C
1x HDMI 2.1, 3x DisplayPort 1.4a
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