Radeon RX 6600 XT and L40G - video card comparison

Radeon RX 6600 XT

L40G

Architecture

Navi / RDNA2 (2020−2022)

Ada Lovelace

GPU code name

Navi 23

AD102

Market segment

Desktop

Desktop

Release date

July 2021

October 2022

Interface

PCIe 4.0 x8

PCIe 4.0 x16

Supplementary power connectors

1x 8-pin

1x 16-pin

Boost clock speed

2589 MHz

2475 MHz

Core clock speed

1968 MHz

-

Manufacturing process technology

7 nm

4 nm

Number of transistors

11,060 million

76,300 million

Pipelines / CUDA cores

2048

18176

Power consumption (TDP)

160 (TGP) Watt

300 Watt

Texture fill rate

331.4

1,406

Memory type

GDDR6

GDDR6

Maximum RAM amount

8 GB

24 GB

Memory bus width

128 Bit

384 Bit

Memory clock speed

16000 MHz

18 GB/s

Memory bandwidth

256.0 GB/s

864.0 GB/s

Shared memory

-

-

Display Connectors

1x HDMI, 2x DisplayPort

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

+

+

DirectX

12.0 Ultimate (12_2)

12 Ultimate (12_2)

CUDA

-

8.9

OpenCL

2.1

3.0

OpenGL

4.6

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3