GeForce RTX 4090 Mobile and L40S - video card comparison
GeForce RTX 4090 Mobile
L40S
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
GN21-X11
AD102
Market segment
Laptop
Desktop
Release date
January 2023
October 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
2040 MHz
2520 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
45,900 million
76,300 million
Pipelines / CUDA cores
9728
18176
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
300 Watt
Texture fill rate
515.3
1,431
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
48 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
20000 MHz
18 GB/s
Memory bandwidth
576.0 GB/s
864.0 GB/s
Shared memory
-
-
Display Connectors
Portable Device Dependent
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
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