GeForce RTX 4090 Mobile and GeForce RTX 4080 Max-Q - video card comparison
GeForce RTX 4090 Mobile
GeForce RTX 4080 Max-Q
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
GN21-X11
AD104
Market segment
Laptop
Desktop
Release date
January 2023
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
None
Boost clock speed
2040 MHz
1350 MHz
Manufacturing process technology
5 nm
4 nm
Number of transistors
45,900 million
35,800 million
Pipelines / CUDA cores
9728
7424
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
60 Watt
Texture fill rate
515.3
313.2
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
12 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
20000 MHz
14 GB/s
Memory bandwidth
576.0 GB/s
336.0 GB/s
Shared memory
-
-
Display Connectors
Portable Device Dependent
Portable Device Dependent
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
8.9
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3