Radeon R9 270 vs Radeon R9 M385X

When choosing between Radeon R9 270 and Radeon R9 M385X, 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 M385X.

Radeon R9 M385X is a Laptop Graphics Card

Note: Radeon R9 M385X 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 M385X here:

Main Specs

  Radeon R9 270 Radeon R9 M385X
Power consumption (TDP) 150 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 M385X has 2 GB more memory, than Radeon R9 270.
  • Radeon R9 270 is used in Desktops, and Radeon R9 M385X - in Laptops.
  • Radeon R9 270 is build with GCN 1.0 architecture, and Radeon R9 M385X - with GCN.
  • Radeon R9 270 and Radeon R9 M385X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 21−24 8−9
ultra / 1080p 12−14 5−6
QHD / 1440p 7−8 0−1
4K / 2160p 5−6
low / 720p 40−45 18−20
medium / 1080p 27−30 10−11
The average gaming FPS of Radeon R9 270 in Assassin's Creed Odyssey is 160% more, than Radeon R9 M385X.

Full Specs

  Radeon R9 270 Radeon R9 M385X
Architecture GCN 1.0 GCN
Code name Curacao Strato-XT-M3
Type Desktop Laptop
Release date 13 November 2013 16 June 2015
Pipelines 1280 896
Core clock speed 1100 MHz
Boost Clock 925 MHz 1100 MHz
Transistor count 2,800 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 74.00 61.60
Floating-point performance 2,368 gflops 1,971 gflops
Length 210 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 1500 MHz
Memory bandwidth 179.2 GB/s 76.8 GB/s
Shared memory -
Shader Model 5.1 6.3
OpenGL 4.6 4.4
OpenCL 1.2 Not Listed
Vulkan +
FreeSync + +
Bus support PCIe 3.0 PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 293 Mh/s
Laptop size large
Eyefinity + +
HD3D + +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 16 Mh/s
LiquidVR +
TressFX +
UVD +
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