Radeon HD 6740G2 vs Radeon R7 M340

When choosing between Radeon HD 6740G2 and Radeon R7 M340, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 6740G2 and Radeon R7 M340.

Radeon HD 6740G2 and Radeon R7 M340 are Laptop Graphics Cards

Note: Radeon HD 6740G2 and Radeon R7 M340 are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 6740G2 or Radeon R7 M340 here:

Main Specs

  Radeon HD 6740G2 Radeon R7 M340
Interface PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3
Maximum RAM amount 4 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Radeon HD 6740G2 is build with Terascale 2 architecture, and Radeon R7 M340 - with GCN.
  • Radeon HD 6740G2 is manufactured by 40 nm process technology, and Radeon R7 M340 - by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 0−1
ultra / 1080p 0−1
QHD / 1440p 0−1 0−1
low / 720p 10−12 1−2
medium / 1080p 2−3 0−1
The average gaming FPS of Radeon HD 6740G2 in Assassin's Creed Odyssey is 1000% more, than Radeon R7 M340.

Full Specs

  Radeon HD 6740G2 Radeon R7 M340
Architecture Terascale 2 GCN
Code name Meso Pro DDR3
Type Laptop Laptop
Release date 14 June 2011 16 June 2015
Pipelines 880 320
Core clock speed 1021 MHz
Boost Clock 1021 MHz
Transistor count 950 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 17.16
Floating-point performance 549.1 gflops
Memory bus width 128 Bit
Memory clock speed 1000 MHz
Memory bandwidth 16 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.4
OpenCL Not Listed
Vulkan +
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 74 Mh/s
Laptop size medium sized
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 6
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