GeForce RTX 4090 Mobile and GeForce RTX 4080 Mobile - video card comparison
GeForce RTX 4090 Mobile
GeForce RTX 4080 Mobile
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
GN21-X11
GN21-X9
Market segment
Laptop
Laptop
Release date
January 2023
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Boost clock speed
2040 MHz
2280 MHz
Core clock speed
-
1860 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
45,900 million
35,800 million
Pipelines / CUDA cores
9728
7424
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
150 Watt (60 - 150 Watt TGP)
Texture fill rate
515.3
386.3
Memory type
GDDR6
GDDR6X
Maximum RAM amount
16 GB
12 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
20000 MHz
20000 MHz
Memory bandwidth
576.0 GB/s
432.0 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