Radeon R9 270 vs Radeon R9 M485X

When choosing between Radeon R9 270 and Radeon R9 M485X, 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 270 and Radeon R9 M485X.

Radeon R9 M485X is a Laptop Graphics Card

Note: Radeon R9 M485X 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 M485X here:

Main Specs

  Radeon R9 270 Radeon R9 M485X
Power consumption (TDP) 150 Watt 250 Watt
Interface PCIe 3.0 x16 MXM-B (3.0)
Supplementary power connectors 1 x 6-pin None
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 8 GB MB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
  Check Price Check Price
  • Radeon R9 M485X has 66% more power consumption, than Radeon R9 270.
  • Radeon R9 270 is connected by PCIe 3.0 x16, and Radeon R9 M485X uses MXM-B (3.0) interface.
  • Radeon R9 M485X has 6 GB more memory, than Radeon R9 270.
  • Radeon R9 270 is used in Desktops, and Radeon R9 M485X - in Laptops.
  • Radeon R9 270 is build with GCN 1.0 architecture, and Radeon R9 M485X - with GCN 3.
  • Radeon R9 270 and Radeon R9 M485X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 21−24 24−27
ultra / 1080p 12−14 14−16
QHD / 1440p 7−8 10−11
4K / 2160p 5−6 6−7
low / 720p 40−45 45−50
medium / 1080p 27−30 30−35
The average gaming FPS of Radeon R9 M485X in Assassin's Creed Odyssey is 15% more, than Radeon R9 270.

Full Specs

  Radeon R9 270 Radeon R9 M485X
Architecture GCN 1.0 GCN 3
Code name Curacao Amethyst
Type Desktop Laptop
Release date 13 November 2013 14 May 2016
Pipelines 1280 2048
Core clock speed 723 MHz
Boost Clock 925 MHz
Transistor count 2,800 million 5,000 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 74.00 92.54
Floating-point performance 2,368 gflops 2,961 gflops
Length 210 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 5000 MHz
Memory bandwidth 179.2 GB/s 160.0 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 5.1 6.3
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan + 1.2.131
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 293 Mh/s
Laptop size large
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 16 Mh/s
LiquidVR +
TressFX +
UVD +
  Check Price Check Price