RTX A40 and L40 CNX - video card comparison

RTX A40

L40 CNX

Architecture

Ampere (2020−2022)

Ada Lovelace

GPU code name

GA102

AD102

Market segment

Desktop

Desktop

Release date

October 2020

October 2022

Interface

PCIe 4.0 x16

PCIe 4.0 x16

Supplementary power connectors

8-pin EPS

1x 16-pin

Boost clock speed

1755 MHz

2475 MHz

Manufacturing process technology

8 nm

4 nm

Number of transistors

28,300 million

76,300 million

Pipelines / CUDA cores

10752

18176

Power consumption (TDP)

300 Watt

300 Watt

Texture fill rate

589.7

1,406

Memory type

GDDR6

GDDR6

Maximum RAM amount

48 GB

24 GB

Memory bus width

384 Bit

384 Bit

Memory clock speed

14.5 GB/s

18 GB/s

Memory bandwidth

695.8 GB/s

864.0 GB/s

Display Connectors

3x DisplayPort

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

-

+

DirectX

12 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

8.6

8.9

OpenCL

2.0

3.0

OpenGL

4.6

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3