Radeon HD 7670A vs Radeon R5 M420

Radeon HD 7670A
Memory: 1024Mb GDDR5MOBILE
Release date: 5 Jan 2012
Radeon HD 7670A
Radeon R5 M420
Memory: 4096Mb DDR3MOBILE
Release date: 15 May 2016
Radeon R5 M420

Summary

Reasons to consider Radeon HD 7670A

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon R5 M420

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon R5 M420

HWBench recommends Radeon R5 M420

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 7670ARadeon R5 M420
GPU NameTurks (Turks XT)vsJet (Jet PRO)
Fab Process40 nmvs28 nm
Die Size118 mm²vs77 mm²
Transistors716 millionvs1,040 million
Shaders480vs320
Compute Units6vs5
Core clock600 MHzvs780 MHz
ROPs8vs8
TMUs24vs20

Memory Configuration

Radeon HD 7670ARadeon R5 M420
Memory TypeGDDR5vsDDR3
Bus Width128 bitvs64 bit
Memory Speed1000 MHz
4000 MHz effective
vs1000 MHz
2000 MHz effective
Memory Size1024 Mbvs4096 Mb

Additional details

Radeon HD 7670ARadeon R5 M420
TDP45 wattsvs0 watts
Release Date5 Jan 2012vs15 May 2016

Raw Performance comparison

Pixel Rate

  • Radeon HD 7670A
    4.80 GP/s
  • Radeon R5 M420
    6.84 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7670A
    14.40 GT/s
  • Radeon R5 M420
    17.10 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7670A
    64.00 GB/s
  • Radeon R5 M420
    16.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7670A
    576.00 GFLOPs
  • Radeon R5 M420
    547.20 GFLOPs

GFLOPs - higher is better

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