Radeon R9 M270X vs Radeon RX 550X

If you are going to buy a new graphics card and are choosing between Radeon R9 M270X and Radeon RX 550X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon R9 M270X stacks up against Radeon RX 550X, check out specs charts below.
Radeon R9 M270X
Radeon RX 550X

Main Specs

  Radeon R9 M270X Radeon RX 550X
Power consumption (TDP) 50 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x8
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
 
  • Radeon R9 M270X is connected by PCIe 3.0 x16, and Radeon RX 550X uses PCIe 3.0 x8 interface.
  • Radeon R9 M270X and Radeon RX 550X have maximum RAM of 4 GB.
  • Both cards are used in Desktops.
  • Radeon R9 M270X is build with GCN 1.0 architecture, and Radeon RX 550X - with GCN 4.0.
  • Core clock speed of Radeon RX 550X is 375 MHz higher, than Radeon R9 M270X.
  • Radeon R9 M270X is manufactured by 28 nm process technology, and Radeon RX 550X - by 14 nm process technology.
  • Memory clock speed of Radeon RX 550X is 4875 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 6−7 10−11
ultra / 1080p 4−5 6−7
QHD / 1440p 0−1 0−1
low / 720p 16−18 21−24
medium / 1080p 8−9 12−14
The average gaming FPS of Radeon RX 550X in Assassin's Creed Odyssey is 44% more, than Radeon R9 M270X.

Full Specs

  Radeon R9 M270X Radeon RX 550X
Architecture GCN 1.0 GCN 4.0
Code name Venus Lexa
Type Desktop Desktop
Release date 21 March 2014 16 December 2018
Pipelines 640 512
Core clock speed 725 MHz 1100 MHz
Boost Clock 775 MHz 1183 MHz
Transistor count 1,500 million 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 31.00 37.86
Floating-point performance 1,536 gflops 1,211 gflops
Length 145 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 1125 MHz 6000 MHz
Memory bandwidth 72 GB/s 96 GB/s
DirectX 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.4 4.6
OpenCL Not Listed 2.0
Vulkan 1.2.131
FreeSync +
Bus support PCIe 3.0 x16
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10