GeForce GTX 670MX and Radeon RX 540X - video card comparison

GeForce GTX 670MX

Radeon RX 540X

Architecture

Kepler (2012−2018)

GCN 4.0 (2016−2020)

GPU code name

N13E-GR

Polaris 12

Market segment

Laptop

Laptop

Release date

October 2012

March 2018

Bus support

PCI Express 2.0

-

Interface

PCIe 3.0 x16

PCIe 3.0 x8

Supplementary power connectors

-

None

SLI options

+

-

Boost clock speed

-

1219 MHz

Core clock speed

600 MHz

-

CUDA cores

960

-

Floating-point performance

1,154 gflops

-

Manufacturing process technology

28 nm

14 nm

Number of transistors

3,540 million

2,200 million

Pipelines / CUDA cores

960

512

Power consumption (TDP)

75 Watt

50 Watt

Texture fill rate

48.0 billion/sec

35.97

Memory type

GDDR5

GDDR5

Maximum RAM amount

3 GB

4 GB

Memory bus width

192 Bit

128 Bit

Memory clock speed

1400 MHz

6000 MHz

Memory bandwidth

67.2 GB/s

112.0 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x DVI, 1x HDMI, 1x DisplayPort

HDMI

+

+

HDCP

+

-

Maximum VGA resolution

Up to 2048x1536

-

DirectX

12 API

12 (12_0)

CUDA

+

-

OpenCL

1.1

2.0

OpenGL

4.5

4.6

Shader Model

5.1

6.4

Vulkan

1.1.126

1.2.131

FreeSync

-

+

Optimus

+

-