GeForce RTX 4090 Mobile and A2 PCIe - video card comparison
GeForce RTX 4090 Mobile
A2 PCIe
Architecture
Ada Lovelace
Ampere (2020−2022)
GPU code name
GN21-X11
GA107
Market segment
Laptop
Desktop
Release date
January 2023
November 2021
Interface
PCIe 4.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
2040 MHz
1770 MHz
Manufacturing process technology
5 nm
8 nm
Number of transistors
45,900 million
8,700 million
Pipelines / CUDA cores
9728
1280
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
60 Watt
Texture fill rate
515.3
70.80
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
16 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
20000 MHz
12.5 GB/s
Memory bandwidth
576.0 GB/s
200.1 GB/s
Shared memory
-
-
Display Connectors
Portable Device Dependent
No outputs
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
8.6
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3