GeForce 840M vs Radeon R8 M535DX

When choosing between GeForce 840M and Radeon R8 M535DX, 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 GeForce 840M and Radeon R8 M535DX.

GeForce 840M is a Laptop Graphics Card

Note: GeForce 840M is only used in laptop graphics. It has 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 840M here:

Main Specs

  GeForce 840M Radeon R8 M535DX
Power consumption (TDP) 33 Watt
Interface PCIe 3.0 x8 IGP
Memory type DDR3 System Shared
Maximum RAM amount 4 GB
Display Connectors No outputs No outputs
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  • GeForce 840M is connected by PCIe 3.0 x8, and Radeon R8 M535DX uses IGP interface.
  • GeForce 840M is used in Laptops, and Radeon R8 M535DX - in Desktops.
  • GeForce 840M is build with Maxwell architecture, and Radeon R8 M535DX - with GCN 3.0.
  • Core clock speed of GeForce 840M is 249 MHz higher, than Radeon R8 M535DX.
  • GeForce 840M and Radeon R8 M535DX are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 1−2 0−1
ultra / 1080p 0−1
QHD / 1440p 0−1 0−1
low / 720p 12−14 1−2
medium / 1080p 3−4 0−1
The average gaming FPS of GeForce 840M in Assassin's Creed Odyssey is 1200% more, than Radeon R8 M535DX.

Full Specs

  GeForce 840M Radeon R8 M535DX
Architecture Maxwell GCN 3.0
Code name N15S-GT Meso
Type Laptop Desktop
Release date 12 March 2014 18 April 2017
Pipelines 384 320
Core clock speed 1029 MHz 780 MHz
Boost Clock 1124 MHz 891 MHz
Transistor count 1,550 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 17.98 17.82
Floating-point performance 863.2 gflops
Memory bus width 64 Bit
Memory clock speed 2000 MHz
Memory bandwidth 16.02 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_0)
Shader Model 5.1 6.0
OpenGL 4.5 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA +
Bus support PCI Express 2.0, PCI Express 3.0
Bitcoin / BTC (SHA256) 92 Mh/s
Laptop size medium sized
Optimus +
GPU Boost 2.0
GameWorks +
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