L40S and GeForce RTX 4090 D - video card comparison
L40S
GeForce RTX 4090 D
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
AD102
AD102
Market segment
Desktop
Desktop
Release date
October 2022
December 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 16-pin
1x 16-pin
Boost clock speed
2520 MHz
2520 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
76,300 million
76,300 million
Pipelines / CUDA cores
18176
14592
Power consumption (TDP)
300 Watt
425 Watt
Texture fill rate
1,431
1,149
Memory type
GDDR6
GDDR6X
Maximum RAM amount
48 GB
24 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
18 GB/s
21 GB/s
Memory bandwidth
864.0 GB/s
1,008 GB/s
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
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