RTX A4000 and L20 - video card comparison

RTX A4000

L20

Architecture

Ampere (2020−2022)

Ada Lovelace

GPU code name

GA104

AD102

Market segment

Workstation

Desktop

Release date

April 2021

November 2023

Interface

PCIe 4.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 6-pin

1x 16-pin

Boost clock speed

1560 MHz

2520 MHz

Manufacturing process technology

8 nm

5 nm

Number of transistors

17,400 million

76,300 million

Pipelines / CUDA cores

6144

11776

Power consumption (TDP)

140 Watt

275 Watt

Texture fill rate

299.5

927.4

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

4x DisplayPort 1.4a

4x DisplayPort 1.4a

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.6

8.9

OpenCL

3.0

3.0

OpenGL

4.6

4.6

Shader Model

6.7

6.7

Vulkan

1.3

1.3