Radeon R9 M270X vs Radeon R9 M485X

Find out if it is worth upgrading your current GPU setup by comparing Radeon R9 M270X and Radeon R9 M485X. 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 M270X and Radeon R9 M485X. 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 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 M270X Radeon R9 M485X
Power consumption (TDP) 250 Watt
Interface PCIe 3.0 x16 MXM-B (3.0)
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 8 GB MB
Display Connectors No outputs No outputs
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  • Radeon R9 M270X is connected by PCIe 3.0 x16, and Radeon R9 M485X uses MXM-B (3.0) interface.
  • Radeon R9 M485X has 4 GB more memory, than Radeon R9 M270X.
  • Radeon R9 M270X is used in Desktops, and Radeon R9 M485X - in Laptops.
  • Radeon R9 M270X is build with GCN 1.0 architecture, and Radeon R9 M485X - with GCN 3.
  • Core clock speed of Radeon R9 M270X is 2 MHz higher, than Radeon R9 M485X.
  • Radeon R9 M270X and Radeon R9 M485X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon R9 M485X is 3875 MHz higher, than Radeon R9 M270X.

Game benchmarks

high / 1080p 6−7 24−27
ultra / 1080p 4−5 14−16
QHD / 1440p 0−1 10−11
4K / 2160p 6−7
low / 720p 16−18 45−50
medium / 1080p 8−9 30−35
The average gaming FPS of Radeon R9 M485X in Assassin's Creed Odyssey is 233% more, than Radeon R9 M270X.

Full Specs

  Radeon R9 M270X Radeon R9 M485X
Architecture GCN 1.0 GCN 3
Code name Venus Amethyst
Type Desktop Laptop
Release date 21 March 2014 14 May 2016
Pipelines 640 2048
Core clock speed 725 MHz 723 MHz
Boost Clock 775 MHz
Transistor count 1,500 million 5,000 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 31.00 92.54
Floating-point performance 1,536 gflops 2,961 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 1125 MHz 5000 MHz
Memory bandwidth 72 GB/s 160.0 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 5.1 6.3
OpenGL 4.4 4.6
OpenCL Not Listed 2.0
Vulkan 1.2.131
FreeSync +
Bus support PCIe 3.0 x16
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
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