Radeon RX 7900 XT and GeForce RTX 4090 Max-Q - video card comparison
Radeon RX 7900 XT
GeForce RTX 4090 Max-Q
Architecture
RDNA 3
Ada Lovelace
GPU code name
Navi 31 XT
AD103
Market segment
Desktop
Desktop
Release date
November 2022
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
None
Boost clock speed
2000 MHz
1455 MHz
Manufacturing process technology
5 nm
4 nm
Number of transistors
57,700 million
45,900 million
Pipelines / CUDA cores
5376
9728
Power consumption (TDP)
315 Watt
80 Watt
Texture fill rate
804.4
442.3
Memory type
GDDR6
GDDR6
Maximum RAM amount
20 GB
16 GB
Memory bus width
320 Bit
256 Bit
Memory clock speed
20000 MHz
14 GB/s
Memory bandwidth
800.0 GB/s
448.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1a, 2x DisplayPort 2.1, 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
6.7
6.7
Vulkan
1.3
1.3