GeForce RTX 4090 Mobile and Radeon RX 7900M - video card comparison
GeForce RTX 4090 Mobile
Radeon RX 7900M
Architecture
Ada Lovelace
RDNA 3
GPU code name
GN21-X11
Navi 31
Market segment
Laptop
Laptop
Release date
January 2023
October 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
None
Boost clock speed
2040 MHz
2090 MHz
Core clock speed
-
1825 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
45,900 million
57,700 million
Pipelines / CUDA cores
9728
4608
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
180 Watt (160 - 200 Watt TGP)
Texture fill rate
515.3
601.9
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
20000 MHz
18000 MHz
Memory bandwidth
576.0 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
Portable Device Dependent
Portable Device Dependent
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
-
OpenCL
3.0
2.2
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3