GeForce 940MX vs Radeon R9 M270X

When choosing between GeForce 940MX and Radeon R9 M270X, 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 940MX and Radeon R9 M270X.

GeForce 940MX is a Laptop Graphics Card

Note: GeForce 940MX 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 940MX here:

Main Specs

  GeForce 940MX Radeon R9 M270X
Power consumption (TDP) 23 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • GeForce 940MX is connected by PCIe 3.0 x8, and Radeon R9 M270X uses PCIe 3.0 x16 interface.
  • GeForce 940MX and Radeon R9 M270X have maximum RAM of 4 GB.
  • GeForce 940MX is used in Laptops, and Radeon R9 M270X - in Desktops.
  • GeForce 940MX is build with Maxwell architecture, and Radeon R9 M270X - with GCN 1.0.
  • Core clock speed of GeForce 940MX is 397 MHz higher, than Radeon R9 M270X.
  • GeForce 940MX and Radeon R9 M270X are manufactured by 28 nm process technology.
  • Memory clock speed of GeForce 940MX is 2875 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 7−8 6−7
ultra / 1080p 4−5 4−5
QHD / 1440p 0−1 0−1
low / 720p 16−18 16−18
medium / 1080p 8−9 8−9
GeForce 940MX and Radeon R9 M270X have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  GeForce 940MX Radeon R9 M270X
Architecture Maxwell GCN 1.0
Code name N16S-GTR-B/S Venus
Type Laptop Desktop
Release date 10 March 2016 21 March 2014
Pipelines 384 640
Core clock speed 1122 MHz 725 MHz
Boost Clock 1242 MHz 775 MHz
Transistor count 1,870 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 23.83 31.00
Floating-point performance 762.6 gflops 1,536 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 4000 MHz 1125 MHz
Memory bandwidth 40.1 GB/s 72 GB/s
Shared memory -
DirectX 12 (11_0)
Shader Model 5.1 5.1
OpenGL 4.5 4.4
OpenCL 1.2 Not Listed
Vulkan 1.1
CUDA +
FreeSync +
Bus support PCI Express 3.0 PCIe 3.0 x16
Bitcoin / BTC (SHA256) 102 Mh/s
Laptop size medium sized
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
GPU Boost 2.0
GameWorks +
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