GeForce GTX 675M SLI and Radeon 550X Mobile - video card comparison

GeForce GTX 675M SLI

Radeon 550X Mobile

Architecture

Fermi (2010−2014)

GCN 4.0 (2016−2020)

GPU code name

N12E-GTX2

Polaris 23

Market segment

Laptop

Laptop

Release date

January 2011

April 2018

Interface

-

PCIe 3.0 x8

SLI options

+

-

Boost clock speed

-

1287 MHz

Core clock speed

620 MHz

1100 MHz

Floating-point performance

-

1,647 gflops

Manufacturing process technology

40 nm

14 nm

Number of transistors

-

2,200 million

Pipelines / CUDA cores

768

640

Power consumption (TDP)

2x 100 Watt

50 Watt

Texture fill rate

-

51.48

Memory type

GDDR5

GDDR5

Maximum RAM amount

-

4 GB

Memory bus width

256 Bit

64 Bit

Memory clock speed

3000 MHz

6000 MHz

Memory bandwidth

-

48 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

11

12 (12_0)

CUDA

+

-

OpenCL

-

2.0

OpenGL

-

4.6

Shader Model

-

6.4

Vulkan

-

1.2.131

Optimus

+

-