GeForce RTX 4090 Max-Q and L40S - video card comparison
GeForce RTX 4090 Max-Q
L40S
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
AD103
AD102
Market segment
Desktop
Desktop
Release date
January 2023
October 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
1455 MHz
2520 MHz
Manufacturing process technology
4 nm
5 nm
Number of transistors
45,900 million
76,300 million
Pipelines / CUDA cores
9728
18176
Power consumption (TDP)
80 Watt
300 Watt
Texture fill rate
442.3
1,431
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
48 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
14 GB/s
18 GB/s
Memory bandwidth
448.0 GB/s
864.0 GB/s
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