Radeon R9 M395X Mac Edition vs Radeon R9 280X

Radeon R9 M395X Mac Edition
Memory: 4096Mb GDDR5MOBILE
Release date: 5 May 2015
Radeon R9 M395X Mac Edition
Radeon R9 280X
Memory: 3072Mb GDDR5DESKTOP
Release date: 8 Oct 2013
Radeon R9 280X
You are comparing OEM or variant versions of at least one VGA. Did you mean Radeon R9 M395X vs Radeon R9 280X instead?

Summary

Reasons to consider Radeon R9 M395X Mac Edition

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon R9 280X

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

No clear winner declared

We have no data to declare a winner at this time.


Specifications

Core Configuration

Radeon R9 M395X Mac EditionRadeon R9 280X
GPU NameAmethyst (Amethyst XT)vsTahiti (Tahiti XTL)
Fab Process28 nmvs28 nm
Die Size366 mm²vs352 mm²
Transistors5,000 millionvs4,313 million
Shaders2048vs2048
Compute Units32vs32
Core clock909 MHzvs850 MHz
ROPs32vs32
TMUs128vs128

Memory Configuration

Radeon R9 M395X Mac EditionRadeon R9 280X
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs384 bit
Memory Speed1365 MHz
5460 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size4096 Mbvs3072 Mb

Additional details

Radeon R9 M395X Mac EditionRadeon R9 280X
TDP250 wattsvs250 watts
Release Date5 May 2015vs8 Oct 2013

Raw Performance comparison

Pixel Rate

  • Radeon R9 M395X Mac Edition
    29.09 GP/s
  • Radeon R9 280X
    27.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R9 M395X Mac Edition
    116.40 GT/s
  • Radeon R9 280X
    109.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R9 M395X Mac Edition
    174.70 GB/s
  • Radeon R9 280X
    288.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R9 M395X Mac Edition
    3723.00 GFLOPs
  • Radeon R9 280X
    3482.00 GFLOPs

GFLOPs - higher is better