GeForce GTX 680MX and Radeon RX 550 Mobile - video card comparison

GeForce GTX 680MX

Radeon RX 550 Mobile

Architecture

Kepler (2012−2018)

Polaris (2016−2019)

GPU code name

-

Polaris 12

Market segment

Laptop

Laptop

Release date

October 2012

March 2017

Bus support

PCI Express 3.0

-

Interface

-

PCIe 3.0 x8

SLI options

+

-

Boost clock speed

-

1476 MHz

Core clock speed

720 MHz

1287 MHz

CUDA cores

1536

-

Floating-point performance

-

1,647 gflops

Manufacturing process technology

28 nm

14 nm

Number of transistors

3540 Million

2,200 million

Pipelines / CUDA cores

1536

640

Power consumption (TDP)

122 Watt

50 Watt

Texture fill rate

92.2 billion/sec

51.48

Memory type

GDDR5

GDDR5

Maximum RAM amount

2 GB

4 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

2500 MHz

6000 MHz

Memory bandwidth

160 GB/s

96 GB/s

Shared memory

-

-

Display Connectors

-

No outputs

DirectX

12 API

12 (12_0)

CUDA

+

-

OpenCL

1.1

2.0

OpenGL

4.5

4.6

Shader Model

-

6.4

Vulkan

-

1.2.131

3D Vision

+

-

FreeSync

-

+

Optimus

+

-