L40 and RTX A4000 Max-Q - video card comparison

L40

RTX A4000 Max-Q

Architecture

Ada Lovelace

Ampere (2020−2022)

GPU code name

AD102

GA104

Market segment

Desktop

Laptop

Release date

October 2022

April 2021

Interface

PCIe 4.0 x16

PCIe 4.0 x16

Supplementary power connectors

1x 16-pin

None

Boost clock speed

2490 MHz

1395 MHz

Manufacturing process technology

4 nm

8 nm

Number of transistors

76,300 million

17,400 million

Pipelines / CUDA cores

18176

5120

Power consumption (TDP)

300 Watt

80 Watt

Texture fill rate

1,414

223.2

Memory type

GDDR6

GDDR6

Maximum RAM amount

48 GB

8 GB

Memory bus width

384 Bit

256 Bit

Memory clock speed

18 GB/s

11 GB/s

Memory bandwidth

864.0 GB/s

352.0 GB/s

Display Connectors

4x DisplayPort 1.4a

Portable Device Dependent

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.9

8.6

OpenCL

3.0

3.0

OpenGL

4.6

4.6

Shader Model

6.7

6.7

Vulkan

1.3

1.3