Radeon RX 6900 XT and GeForce RTX 3080 Ti 20 GB - video card comparison
Radeon RX 6900 XT
GeForce RTX 3080 Ti 20 GB
Architecture
Navi / RDNA2 (2020−2022)
Ampere (2020−2022)
GPU code name
Navi 21
GA102
Market segment
Desktop
Desktop
Release date
December 2020
January 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 12-pin
Boost clock speed
2250 MHz
1665 MHz
Core clock speed
1825 MHz
-
Manufacturing process technology
7 nm
8 nm
Number of transistors
26,800 million
28,300 million
Pipelines / CUDA cores
5120
10240
Power consumption (TDP)
300 Watt
350 Watt
Texture fill rate
720.0
532.8
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
20 GB
Memory bus width
256 Bit
320 Bit
Memory clock speed
16000 MHz
19 GB/s
Memory bandwidth
512.0 GB/s
760.3 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
-
8.6
OpenCL
2.1
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.3