GeForce GTX 580M SLI and Radeon 660M - video card comparison

GeForce GTX 580M SLI

Radeon 660M

Architecture

Fermi (2010−2014)

RDNA 2 (2020−2022)

GPU code name

N12E-GTX2

RDNA 2 Rembrandt

Market segment

Laptop

Laptop

Release date

January 2011

January 2022

Interface

-

PCIe 4.0 x8

Supplementary power connectors

-

None

Boost clock speed

-

1900 MHz

Core clock speed

620 MHz

-

Manufacturing process technology

40 nm

6 nm

Number of transistors

-

13,100 million

Pipelines / CUDA cores

768

384

Power consumption (TDP)

100 Watt

45 Watt

Texture fill rate

-

45.60

Memory type

GDDR5

System Shared

Maximum RAM amount

-

System Shared

Memory bus width

256 Bit

System Shared

Memory clock speed

1500 MHz

System Shared

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

11

12 (12_1)

OpenCL

-

2.0

OpenGL

-

4.6

Shader Model

-

6.5

Vulkan

-

1.2