Radeon Pro 555X and GeForce GT 650M SLI - video card comparison

Radeon Pro 555X

GeForce GT 650M SLI

Architecture

Polaris (2016−2019)

Kepler (2012−2018)

GPU code name

Polaris 21

N13E-GE

Market segment

Mobile workstation

Laptop

Release date

June 2017

March 2012

Interface

PCIe 3.0 x8

-

Supplementary power connectors

None

-

Boost clock speed

-

835 MHz

Core clock speed

855 MHz

790 MHz

Manufacturing process technology

14 nm

28 nm

Number of transistors

3,000 million

-

Pipelines / CUDA cores

768

768

Texture fill rate

43.54

-

Memory type

GDDR5

GDDR5

Maximum RAM amount

4 GB

2x2 GB

Memory bus width

128 Bit

2x 128 Bit

Memory clock speed

5080 MHz

4000 MHz

Memory bandwidth

81.6 GB/s

-

Shared memory

-

-

Display Connectors

No outputs

-

DirectX

12 (12_0)

11

CUDA

-

+

OpenCL

2.0

-

OpenGL

4.6

-

Shader Model

6.4

-

Vulkan

1.2.131

-

FreeSync

+

-

Optimus

-

+