Radeon R7 M270DX vs Radeon R9 M385X

When choosing between Radeon R7 M270DX 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 R7 M270DX 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 R7 M270DX Radeon R9 M385X
Interface IGP PCIe 3.0 x16
Memory type System Shared GDDR5
Maximum RAM amount 4 GB
Display Connectors No outputs No outputs
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  • Radeon R7 M270DX is connected by IGP, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
  • Radeon R7 M270DX is used in Desktops, and Radeon R9 M385X - in Laptops.
  • Radeon R7 M270DX is build with GCN 3.0 architecture, and Radeon R9 M385X - with GCN.
  • Core clock speed of Radeon R9 M385X is 200 MHz higher, than Radeon R7 M270DX.
  • Radeon R7 M270DX and Radeon R9 M385X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 2−3 8−9
ultra / 1080p 0−1 5−6
QHD / 1440p 0−1 0−1
low / 720p 12−14 18−20
medium / 1080p 3−4 10−11
The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 100% more, than Radeon R7 M270DX.

Full Specs

  Radeon R7 M270DX Radeon R9 M385X
Architecture GCN 3.0 GCN
Code name Topaz Strato-XT-M3
Type Desktop Laptop
Release date 11 June 2014 16 June 2015
Pipelines 384 896
Core clock speed 900 MHz 1100 MHz
Boost Clock 940 MHz 1100 MHz
Transistor count 1,550 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 22.56 61.60
Floating-point performance 1,971 gflops
Memory bus width 128 Bit
Memory clock speed 1500 MHz
Memory bandwidth 76.8 GB/s
Shared memory -
DirectX 12 (12_0)
Shader Model 6.3 6.3
OpenGL 4.6 4.4
OpenCL 2.0 Not Listed
Vulkan 1.2.131
FreeSync +
Bus support PCIe 3.0
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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