Radeon R7 M270 vs Radeon R9 M385X

Radeon R7 M270
Memory: 2048Mb DDR3MOBILE
Release date: 9 Jan 2014
Radeon R7 M270
Radeon R9 M385X
Memory: 4096Mb GDDR5MOBILE
Release date: 5 May 2015
Radeon R9 M385X

Summary

Reasons to consider Radeon R7 M270

Supports Direct3D 12 Async Compute
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports Mantle
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon R9 M385X

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
Supports Direct3D 12 Async Compute
Supports FreeSync
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports TrueAudio
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon R9 M385X

HWBench recommends Radeon R9 M385X

Based on theoretical specifications.


Specifications

Core Configuration

Radeon R7 M270Radeon R9 M385X
GPU NameOpal (Opal XT)vsStrato (Strato XT)
Fab Process28 nmvs28 nm
Die Size77 mm²vs160 mm²
Transistors1,040 millionvs2,080 million
Shaders384vs896
Compute Units6vs14
Core clock725 MHzvs1000 MHz
ROPs8vs16
TMUs24vs56

Memory Configuration

Radeon R7 M270Radeon R9 M385X
Memory TypeDDR3vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed900 MHz
1800 MHz effective
vs1200 MHz
4800 MHz effective
Memory Size2048 Mbvs4096 Mb

Additional details

Radeon R7 M270Radeon R9 M385X
TDP0 wattsvs0 watts
Release Date9 Jan 2014vs5 May 2015

Raw Performance comparison

Pixel Rate

  • Radeon R7 M270
    6.60 GP/s
  • Radeon R9 M385X
    17.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R7 M270
    19.80 GT/s
  • Radeon R9 M385X
    61.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R7 M270
    28.80 GB/s
  • Radeon R9 M385X
    76.80 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R7 M270
    633.60 GFLOPs
  • Radeon R9 M385X
    1971.20 GFLOPs

GFLOPs - higher is better

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