Radeon RX 6600M and GeForce RTX 4080 Ti - video card comparison

Radeon RX 6600M

GeForce RTX 4080 Ti

Architecture

RDNA 2 (2020−2022)

Ada Lovelace

GPU code name

R21M-E65-70

AD102

Market segment

Laptop

Desktop

Release date

September 2020

2023

Interface

PCIe 4.0 x8

PCIe 4.0 x16

Supplementary power connectors

None

1x 16-pin

Boost clock speed

2177 MHz

2610 MHz

Core clock speed

2068 MHz

Manufacturing process technology

7 nm

5 nm

Number of transistors

11,060 million

76,300 million

Pipelines / CUDA cores

1792

14080

Power consumption (TDP)

100 Watt (50 - 100 Watt TGP)

400 Watt

Texture fill rate

235.8

1,148

Memory type

GDDR6

GDDR6X

Maximum RAM amount

8 GB

16 GB

Memory bus width

128 Bit

256 Bit

Memory clock speed

14000 MHz

21.2 GB/s

Memory bandwidth

256.0 GB/s

678.4 GB/s

Shared memory

Display Connectors

No outputs

1x HDMI 2.1, 3x DisplayPort 1.4a

HDMI

DirectX

12 Ultimate (12_2)

CUDA

8.9

OpenCL

2.1

3.0

OpenGL

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3