Radeon R7 M340 and Radeon RX 540X - video card comparison

Radeon R7 M340

Radeon RX 540X

Architecture

GCN (2011−2017)

GCN 4.0 (2016−2020)

GPU code name

Meso Pro DDR3

Polaris 12

Market segment

Laptop

Laptop

Release date

June 2015

March 2018

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x8

PCIe 3.0 x8

Supplementary power connectors

None

None

Boost clock speed

1021 MHz

1219 MHz

Compute units

6

-

Core clock speed

1021 MHz

-

Floating-point performance

549.1 gflops

-

Manufacturing process technology

28 nm

14 nm

Number of transistors

950 million

2,200 million

Pipelines / CUDA cores

320

512

Power consumption (TDP)

-

50 Watt

Texture fill rate

17.16

35.97

Memory type

DDR3

GDDR5

Maximum RAM amount

4 GB

4 GB

Memory bus width

128 Bit

128 Bit

Memory clock speed

1000 MHz

6000 MHz

Memory bandwidth

16 GB/s

112.0 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x DVI, 1x HDMI, 1x DisplayPort

Eyefinity

1

-

HDMI

-

+

DirectX

DirectX® 12

12 (12_0)

Mantle

+

-

OpenCL

Not Listed

2.0

OpenGL

4.4

4.6

Shader Model

5.1

6.4

Vulkan

+

1.2.131

AppAcceleration

-

-

DualGraphics

1

-

Enduro

-

-

FreeSync

1

+

HD3D

+

-

PowerTune

+

-

Switchable graphics

1

-

TrueAudio

-

-

ZeroCore

+

-