Radeon 550X vs Radeon R9 M280X

When choosing between Radeon 550X 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 550X 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 550X Radeon R9 M280X
Power consumption (TDP) 50 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 Not Listed
Maximum RAM amount 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon 550X is connected by PCIe 3.0 x8, and Radeon R9 M280X uses PCIe 3.0 x16 interface.
  • Radeon 550X is used in Desktops, and Radeon R9 M280X - in Laptops.
  • Radeon 550X is build with GCN 4.0 architecture, and Radeon R9 M280X - with GCN.
  • Core clock speed of Radeon 550X is 182 MHz higher, than Radeon R9 M280X.
  • Radeon 550X is manufactured by 14 nm process technology, and Radeon R9 M280X - by 28 nm process technology.

Game benchmarks

high / 1080p 7−8 2−3
ultra / 1080p 4−5 1−2
QHD / 1440p 0−1 0−1
low / 720p 16−18 14−16
medium / 1080p 9−10 4−5
The average gaming FPS of Radeon 550X in Assassin's Creed Odyssey is 80% more, than Radeon R9 M280X.

Full Specs

  Radeon 550X Radeon R9 M280X
Architecture GCN 4.0 GCN
Code name Lexa Saturn XT
Type Desktop Laptop
Release date 27 March 2019 1 February 2015
Pipelines 512 896
Core clock speed 1082 MHz 900 MHz
Boost Clock 1218 MHz
Transistor count 2,200 million 2,080 million
Manufacturing process technology 14 nm 28 nm
Texture fill rate 38.98 61.60
Floating-point performance 1,792 gflops
Length 145 mm
Memory bus width 128 Bit
Memory clock speed 7000 MHz
Memory bandwidth 112.0 GB/s 96 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 6.4 6.3
OpenGL 4.6 4.4
OpenCL 2.0 Not Listed
Vulkan 1.2.131
FreeSync +
Bus support Not Listed
Laptop size large
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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