Radeon RX 7990 XTX and GeForce RTX 4090 Max-Q - video card comparison
Radeon RX 7990 XTX
GeForce RTX 4090 Max-Q
Architecture
RDNA 3.0 (2022)
Ada Lovelace
GPU code name
Navi 31
AD103
Market segment
Desktop
Desktop
Release date
2023
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
3x 8-pin
None
Boost clock speed
3599 MHz
1455 MHz
Manufacturing process technology
5 nm
4 nm
Number of transistors
57,700 million
45,900 million
Pipelines / CUDA cores
6144
9728
Power consumption (TDP)
405 Watt
80 Watt
Texture fill rate
1,382
442.3
Memory type
GDDR6
GDDR6
Maximum RAM amount
24 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
24 GB/s
14 GB/s
Memory bandwidth
1,152 GB/s
448.0 GB/s
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
2.2
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3