L40S and L20 - video card comparison
L40S
L20
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
AD102
AD102
Market segment
Desktop
Desktop
Release date
October 2022
November 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
11776
Power consumption (TDP)
300 Watt
275 Watt
Texture fill rate
1,431
927.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
48 GB
48 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
18 GB/s
18 GB/s
Memory bandwidth
864.0 GB/s
864.0 GB/s
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
4x 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