Radeon R9 285X vs Radeon R9 285

Radeon R9 285X
Memory: 3072Mb GDDR5DESKTOP
Release date: UNRELEASED
Radeon R9 285X
Radeon R9 285
Memory: 2048Mb GDDR5DESKTOP
Release date: 2 Sep 2014
Radeon R9 285

Summary

Reasons to consider Radeon R9 285X

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 285

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

No clear winner declared

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


Specifications

Core Configuration

Radeon R9 285XRadeon R9 285
GPU NameTonga (Tonga XT)vsTonga (Tonga PRO)
Fab Process28 nmvs28 nm
Die Size366 mm²vs366 mm²
Transistors5,000 millionvs5,000 million
Shaders2048vs1792
Compute Units32vs28
Core clock1002 MHzvs918 MHz
ROPs32vs32
TMUs128vs112

Memory Configuration

Radeon R9 285XRadeon R9 285
Memory TypeGDDR5vsGDDR5
Bus Width384 bitvs256 bit
Memory Speed1375 MHz
5500 MHz effective
vs1375 MHz
5500 MHz effective
Memory Size3072 Mbvs2048 Mb

Additional details

Radeon R9 285XRadeon R9 285
TDP200 wattsvs190 watts
Release DateUNRELEASEDvs2 Sep 2014

Raw Performance comparison

Pixel Rate

  • Radeon R9 285X
    32.10 GP/s
  • Radeon R9 285
    29.38 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R9 285X
    128.30 GT/s
  • Radeon R9 285
    102.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R9 285X
    264.00 GB/s
  • Radeon R9 285
    176.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R9 285X
    4104.00 GFLOPs
  • Radeon R9 285
    3290.00 GFLOPs

GFLOPs - higher is better