Radeon R9 M275 vs Radeon E8870

Radeon R9 M275
Memory: 2048Mb GDDR5MOBILE
Release date: 28 Jan 2014
Radeon R9 M275
Radeon E8870
Memory: 4096Mb GDDR5MOBILE
Release date: 29 Sep 2015
Radeon E8870

Summary

Reasons to consider Radeon R9 M275

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 E8870

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 E8870

HWBench recommends Radeon E8870

Based on theoretical specifications.


Specifications

Core Configuration

Radeon R9 M275Radeon E8870
GPU NameVenus (Venus XTX)vsSaturn (Saturn PRO)
Fab Process28 nmvs28 nm
Die Size123 mm²vs160 mm²
Transistors1,500 millionvs2,080 million
Shaders640vs768
Compute Units10vs12
Core clock900 MHzvs1000 MHz
ROPs16vs16
TMUs40vs48

Memory Configuration

Radeon R9 M275Radeon E8870
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed1000 MHz
4000 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size2048 Mbvs4096 Mb

Additional details

Radeon R9 M275Radeon E8870
TDP0 wattsvs75 watts
Release Date28 Jan 2014vs29 Sep 2015

Raw Performance comparison

Pixel Rate

  • Radeon R9 M275
    14.80 GP/s
  • Radeon E8870
    16.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R9 M275
    37.00 GT/s
  • Radeon E8870
    48.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R9 M275
    64.00 GB/s
  • Radeon E8870
    96.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R9 M275
    1184.00 GFLOPs
  • Radeon E8870
    1536.00 GFLOPs

GFLOPs - higher is better

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