GeForce GT 755M vs Radeon R6 M340DX

When comparing GeForce GT 755M and Radeon R6 M340DX, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GT 755M and Radeon R6 M340DX is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

GeForce GT 755M and Radeon R6 M340DX are Laptop Graphics Cards

Note: GeForce GT 755M and Radeon R6 M340DX 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 GeForce GT 755M or Radeon R6 M340DX here:

Main Specs

  GeForce GT 755M Radeon R6 M340DX
Power consumption (TDP) 50 Watt
Interface PCIe 3.0 x16 IGP
Memory type GDDR5 DDR3
Maximum RAM amount 4 GB
Display Connectors No outputs No outputs
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  • GeForce GT 755M is connected by PCIe 3.0 x16, and Radeon R6 M340DX uses IGP interface.
  • Both cards are used in Laptops.
  • GeForce GT 755M is build with Kepler architecture, and Radeon R6 M340DX - with GCN.
  • GeForce GT 755M and Radeon R6 M340DX are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 7−8 2−3
ultra / 1080p 4−5 2−3
QHD / 1440p 0−1 0−1
low / 720p 18−20 10−11
medium / 1080p 9−10 3−4
The average gaming FPS of GeForce GT 755M in Assassin's Creed Odyssey is 150% more, than Radeon R6 M340DX.

Full Specs

  GeForce GT 755M Radeon R6 M340DX
Architecture Kepler GCN
Code name N14P- Jet
Type Laptop Laptop
Release date 25 June 2013 3 June 2015
Pipelines 384 704
Core clock speed 980 MHz
Boost Clock 1030 MHz
Transistor count 1,270 million 690 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 31.36 24.72
Floating-point performance 752.6 gflops
Memory bus width 128 Bit
Memory clock speed 5400 MHz
Memory bandwidth 86.4 GB/s
Shared memory - -
DirectX 12 API 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan 1.1.126 1.2.131
CUDA +
Bus support PCI Express 3.0, PCI Express 2.0
HDMI +
Bitcoin / BTC (SHA256) 27 Mh/s
Laptop size medium sized medium sized
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
Blu-Ray 3D Support +
3D Vision / 3DTV Play +
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