L4 and L20 - video card comparison
L4
L20
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
AD104
AD102
Market segment
Desktop
Desktop
Release date
March 2023
November 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 16-pin
1x 16-pin
Boost clock speed
2040 MHz
2520 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
35,800 million
76,300 million
Pipelines / CUDA cores
7424
11776
Power consumption (TDP)
72 Watt
275 Watt
Texture fill rate
489.6
927.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
24 GB
48 GB
Memory bus width
192 Bit
384 Bit
Memory clock speed
12.5 GB/s
18 GB/s
Memory bandwidth
300.1 GB/s
864.0 GB/s
Display Connectors
No outputs
4x DisplayPort 1.4a
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