UHD Graphics 620 and L40G - video card comparison

UHD Graphics 620

L40G

Architecture

Gen. 9.5 (2017)

Ada Lovelace

GPU code name

Kaby-Lake-Refresh GT2

AD102

Market segment

Laptop

Desktop

Release date

September 2017

October 2022

Interface

PCIe 3.0 x1

PCIe 4.0 x16

Supplementary power connectors

-

1x 16-pin

Boost clock speed

1150 MHz

2475 MHz

Core clock speed

300 MHz

-

Manufacturing process technology

14 nm

4 nm

Number of transistors

189 million

76,300 million

Pipelines / CUDA cores

24

18176

Power consumption (TDP)

15 Watt

300 Watt

Texture fill rate

27.60

1,406

Memory type

LPDDR3/DDR4

GDDR6

Maximum RAM amount

32 GB

24 GB

Memory bus width

System Shared

384 Bit

Memory clock speed

System Shared

18 GB/s

Memory bandwidth

-

864.0 GB/s

Shared memory

+

-

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

-

+

DirectX

12 (12_1)

12 Ultimate (12_2)

CUDA

-

8.9

OpenCL

2.1

3.0

OpenGL

4.6

4.6

Shader Model

6.4

6.7

Vulkan

1.1.103

1.3

Quick Sync

+

-