Radeon RX 6900 XT and GeForce RTX 4080 - video card comparison
Passmark - benchmark score Radeon RX 6900 XT vs GeForce RTX 4080
Radeon RX 6900 XT
27642
GeForce RTX 4080
35648
Radeon RX 6900 XT
GeForce RTX 4080
Architecture
Navi / RDNA2 (2020−2022)
Ada Lovelace
GPU code name
Navi 21
AD103-300-A1
Market segment
Desktop
Desktop
Release date
December 2020
September 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
1x 16-pin
Boost clock speed
2250 MHz
2505 MHz
Core clock speed
1825 MHz
2205 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
26,800 million
45,900 million
Pipelines / CUDA cores
5120
9728
Power consumption (TDP)
300 Watt
320 Watt
Texture fill rate
720.0
761.5
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
16000 MHz
22400 MHz
Memory bandwidth
512.0 GB/s
716.8 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
6.6
Vulkan
1.2
1.3