Radeon 540 Mobile vs R7 M340

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking926not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 3.0 (2014−2019)GCN 4.0 (2016−2020)
GPU code nameMesoLexa
Market segmentLaptopLaptop
Release date5 May 2015 (9 years ago)26 March 2019 (5 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores320512
Compute units6no data
Core clock speed943 MHz1100 MHz
Boost clock speed1021 MHz1124 MHz
Number of transistors1,550 million2,200 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)no data50 Watt
Texture fill rate20.4235.97
Floating-point processing power0.6534 TFLOPS1.151 TFLOPS
ROPs816
TMUs2032

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus supportPCIe 3.0no data
InterfacePCIe 3.0 x8PCIe 3.0 x8
Supplementary power connectorsNoneno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeDDR3GDDR5
Maximum RAM amount4 GB2 GB
Memory bus width128 Bit64 Bit
Memory clock speed1000 MHz1500 MHz
Memory bandwidth16 GB/s48 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs
Eyefinity+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-
HD3D+-
PowerTune+-
DualGraphics+-
ZeroCore+-
Switchable graphics+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectXDirectX® 1212 (12_0)
Shader Model6.06.4
OpenGL4.44.6
OpenCLNot Listed2.0
Vulkan+1.2.131
Mantle+-

Pros & cons summary


Recency 5 May 2015 26 March 2019
Maximum RAM amount 4 GB 2 GB
Chip lithography 28 nm 14 nm

R7 M340 has a 100% higher maximum VRAM amount.

540 Mobile, on the other hand, has an age advantage of 3 years, and a 100% more advanced lithography process.

We couldn't decide between Radeon R7 M340 and Radeon 540 Mobile. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon R7 M340
Radeon R7 M340
AMD Radeon 540 Mobile
Radeon 540 Mobile

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.9 313 votes

Rate Radeon R7 M340 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.8 13 votes

Rate Radeon 540 Mobile on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.