GeForce GTX 675M SLI and Radeon 620 - video card comparison

GeForce GTX 675M SLI

Radeon 620

Architecture

Fermi (2010−2014)

GCN 1.0 (2012−2020)

GPU code name

N12E-GTX2

Polaris 24

Market segment

Laptop

Laptop

Release date

January 2011

August 2019

Interface

-

PCIe 3.0 x8

Supplementary power connectors

-

None

SLI options

+

-

Boost clock speed

-

1024 MHz

Core clock speed

620 MHz

-

Manufacturing process technology

40 nm

28 nm

Number of transistors

-

1,550 million

Pipelines / CUDA cores

768

384

Power consumption (TDP)

2x 100 Watt

50 Watt

Texture fill rate

-

24.58

Memory type

GDDR5

DDR3, GDDR5

Maximum RAM amount

-

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

3000 MHz

2250 MHz

Memory bandwidth

-

14.4 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

11

12 (12_0)

CUDA

+

-

OpenCL

-

2.0

OpenGL

-

4.6

Shader Model

-

6.3

Vulkan

-

1.2.131

Optimus

+

-