Radeon R9 290X2 vs Radeon R9 390 X2

Radeon R9 290X2
Memory: 4096Mb GDDR5DESKTOP
Release date: 24 Jun 2014
Radeon R9 290X2
Radeon R9 390 X2
Memory: 8192Mb GDDR5DESKTOP
Release date: 3 Sep 2015
Radeon R9 390 X2

Summary

Reasons to consider Radeon R9 290X2

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 390 X2

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

No clear winner declared

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


Specifications

Core Configuration

Radeon R9 290X2Radeon R9 390 X2
GPU NameHawaii (Hawaii XT)vsGrenada (Grenada PRO)
Fab Process28 nmvs28 nm
Die Size438 mm²vs438 mm²
Transistors6,200 millionvs6,200 million
Shaders2816vs2560
Compute Units44vs40
Core clock1000 MHzvs1000 MHz
ROPs64vs64
TMUs176vs160

Memory Configuration

Radeon R9 290X2Radeon R9 390 X2
Memory TypeGDDR5vsGDDR5
Bus Width512 bit x2vs512 bit x2
Memory Speed1350 MHz
5400 MHz effective
vs1350 MHz
5400 MHz effective
Memory Size4096 Mbvs8192 Mb

Additional details

Radeon R9 290X2Radeon R9 390 X2
TDP580 wattsvs580 watts
Release Date24 Jun 2014vs3 Sep 2015

Raw Performance comparison

Pixel Rate

  • Radeon R9 290X2
    128.00 GP/s
  • Radeon R9 390 X2
    128.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R9 290X2
    352.00 GT/s
  • Radeon R9 390 X2
    320.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R9 290X2
    692.00 GB/s
  • Radeon R9 390 X2
    692.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R9 290X2
    11264.00 GFLOPs
  • Radeon R9 390 X2
    10240.00 GFLOPs

GFLOPs - higher is better