Radeon 660M and GeForce RTX 4090 Ti - video card comparison

Radeon 660M

GeForce RTX 4090 Ti

Architecture

RDNA 2 (2020−2022)

Ada Lovelace

GPU code name

RDNA 2 Rembrandt

AD102

Market segment

Laptop

Desktop

Release date

January 2022

2023

Interface

PCIe 4.0 x8

PCIe 4.0 x16

Supplementary power connectors

None

2x 16-pin

Boost clock speed

1900 MHz

2565 MHz

Manufacturing process technology

6 nm

5 nm

Number of transistors

13,100 million

76,300 million

Pipelines / CUDA cores

384

18176

Power consumption (TDP)

45 Watt

600 Watt

Texture fill rate

45.60

1,457

Memory type

System Shared

GDDR6X

Maximum RAM amount

System Shared

24 GB

Memory bus width

System Shared

384 Bit

Memory clock speed

System Shared

24 GB/s

Memory bandwidth

1,152 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

2.0

3.0

OpenGL

4.6

Shader Model

6.5

6.7

Vulkan

1.2

1.3