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

Radeon RX 6600M

GeForce RTX 4080 Ti Mobile

Architecture

RDNA 2 (2020−2022)

Ada Lovelace

GPU code name

R21M-E65-70

AD104

Market segment

Laptop

Release date

September 2020

Interface

PCIe 4.0 x8

PCIe 4.0 x16

Supplementary power connectors

None

Boost clock speed

2177 MHz

1665 MHz

Core clock speed

2068 MHz

Manufacturing process technology

7 nm

4 nm

Number of transistors

11,060 million

35,800 million

Pipelines / CUDA cores

1792

7280

Power consumption (TDP)

100 Watt (50 - 100 Watt TGP)

175 Watt

Texture fill rate

235.8

399.6

Memory type

GDDR6

Maximum RAM amount

8 GB

12 GB

Memory bus width

128 Bit

192 Bit

Memory clock speed

14000 MHz

16 GB/s

Memory bandwidth

256.0 GB/s

384.0 GB/s

Shared memory

Display Connectors

No outputs

Portable Device Dependent

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