
Tesla T4 and L20 - video card comparison
Tesla T4
L20
Architecture
Turing (2018−2021)
Ada Lovelace
GPU code name
TU104
AD102
Market segment
Workstation
Desktop
Release date
September 2018
November 2023
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
1590 MHz
2520 MHz
Core clock speed
585 MHz
-
Manufacturing process technology
12 nm
5 nm
Number of transistors
13,600 million
76,300 million
Pipelines / CUDA cores
2560
11776
Power consumption (TDP)
70 Watt
275 Watt
Texture fill rate
254.4
927.4
Memory type
GDDR6
GDDR6
Maximum RAM amount
16 GB
48 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
10000 MHz
18 GB/s
Memory bandwidth
320.0 GB/s
864.0 GB/s
Display Connectors
No outputs
4x DisplayPort 1.4a
DirectX
12 Ultimate (12_1)
12 Ultimate (12_2)
CUDA
7.5
8.9
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2.131
1.3