Radeon HD 7970M vs Radeon R9 M295X

Radeon HD 7970M
Memory: 2048Mb GDDR5MOBILE
Release date: 24 Apr 2012
Radeon HD 7970M
Radeon R9 M295X
Memory: 4096Mb GDDR5MOBILE
Release date: 23 Nov 2014
Radeon R9 M295X

Summary

Reasons to consider Radeon HD 7970M

150 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 M295X .
Higher theoretical gaming performance, based on specifications.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 M295X

This is a much newer product, it might have better long term support.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 HD 7970M

HWBench recommends Radeon HD 7970M

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 7970MRadeon R9 M295X
GPU NameWimbledon (Wimbledon XT)vsAmethyst (Amethyst XT)
Fab Process28 nmvs28 nm
Die Size212 mm²vs366 mm²
Transistors2,800 millionvs5,000 million
Shaders1280vs2048
Compute Units20vs32
Core clock850 MHzvs723 MHz
ROPs32vs32
TMUs80vs128

Memory Configuration

Radeon HD 7970MRadeon R9 M295X
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs256 bit
Memory Speed1200 MHz
4800 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size2048 Mbvs4096 Mb

Additional details

Radeon HD 7970MRadeon R9 M295X
TDP100 wattsvs250 watts
Release Date24 Apr 2012vs23 Nov 2014

Raw Performance comparison

Pixel Rate

  • Radeon HD 7970M
    27.20 GP/s
  • Radeon R9 M295X
    23.14 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7970M
    68.00 GT/s
  • Radeon R9 M295X
    92.50 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7970M
    153.60 GB/s
  • Radeon R9 M295X
    160.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7970M
    2176.00 GFLOPs
  • Radeon R9 M295X
    2961.40 GFLOPs

GFLOPs - higher is better

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