Radeon R9 M280X vs Radeon RX 550X

Find out if it is worth upgrading your current GPU setup by comparing Radeon R9 M280X and Radeon RX 550X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon R9 M280X and Radeon RX 550X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

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 M280X Radeon RX 550X
Power consumption (TDP) 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None
Memory type Not Listed GDDR5
Maximum RAM amount 4 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
  Check Price
  • Radeon R9 M280X is connected by PCIe 3.0 x16, and Radeon RX 550X uses PCIe 3.0 x8 interface.
  • Radeon R9 M280X is used in Laptops, and Radeon RX 550X - in Desktops.
  • Radeon R9 M280X is build with GCN architecture, and Radeon RX 550X - with GCN 4.0.
  • Core clock speed of Radeon RX 550X is 200 MHz higher, than Radeon R9 M280X.
  • Radeon R9 M280X is manufactured by 28 nm process technology, and Radeon RX 550X - by 14 nm process technology.

Game benchmarks

high / 1080p 2−3 10−11
ultra / 1080p 1−2 6−7
QHD / 1440p 0−1 0−1
low / 720p 14−16 21−24
medium / 1080p 4−5 12−14
The average gaming FPS of Radeon RX 550X in Assassin's Creed Odyssey is 160% more, than Radeon R9 M280X.

Full Specs

  Radeon R9 M280X Radeon RX 550X
Architecture GCN GCN 4.0
Code name Saturn XT Lexa
Type Laptop Desktop
Release date 1 February 2015 16 December 2018
Pipelines 896 512
Core clock speed 900 MHz 1100 MHz
Boost Clock 1183 MHz
Transistor count 2,080 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 61.60 37.86
Floating-point performance 1,792 gflops 1,211 gflops
Length 145 mm
Memory bus width 128 Bit
Memory clock speed 6000 MHz
Memory bandwidth 96 GB/s 96 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 6.3 6.4
OpenGL 4.4 4.6
OpenCL Not Listed 2.0
Vulkan 1.2.131
FreeSync +
Bus support Not Listed
Laptop size large
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
  Check Price