Radeon R9 M270X vs Radeon R9 M280X

When choosing between Radeon R9 M270X and Radeon R9 M280X, 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 R9 M270X and Radeon R9 M280X.

Radeon R9 M280X is a Laptop Graphics Card

Note: Radeon R9 M280X 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 Radeon R9 M280X here:

Main Specs

  Radeon R9 M270X Radeon R9 M280X
Interface PCIe 3.0 x16 PCIe 3.0 x16
Memory type GDDR5 Not Listed
Maximum RAM amount 4 GB
Display Connectors No outputs No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 M270X is used in Desktops, and Radeon R9 M280X - in Laptops.
  • Radeon R9 M270X is build with GCN 1.0 architecture, and Radeon R9 M280X - with GCN.
  • Core clock speed of Radeon R9 M280X is 175 MHz higher, than Radeon R9 M270X.
  • Radeon R9 M270X and Radeon R9 M280X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 6−7 2−3
ultra / 1080p 4−5 1−2
QHD / 1440p 0−1 0−1
low / 720p 16−18 14−16
medium / 1080p 8−9 4−5
The average gaming FPS of Radeon R9 M270X in Assassin's Creed Odyssey is 80% more, than Radeon R9 M280X.

Full Specs

  Radeon R9 M270X Radeon R9 M280X
Architecture GCN 1.0 GCN
Code name Venus Saturn XT
Type Desktop Laptop
Release date 21 March 2014 1 February 2015
Pipelines 640 896
Core clock speed 725 MHz 900 MHz
Boost Clock 775 MHz
Transistor count 1,500 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 31.00 61.60
Floating-point performance 1,536 gflops 1,792 gflops
Memory bus width 128 Bit
Memory clock speed 1125 MHz
Memory bandwidth 72 GB/s 96 GB/s
Shared memory -
Shader Model 5.1 6.3
OpenGL 4.4 4.4
OpenCL Not Listed Not Listed
FreeSync + +
Bus support PCIe 3.0 x16 Not Listed
Laptop size large
Eyefinity +
HD3D + +
PowerTune + +
DualGraphics + +
ZeroCore + +
Switchable graphics + +
Mantle + +
Compute units 10
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