Radeon RX 550 vs GeForce GTX 660

Radeon RX 550
Memory: 4096Mb GDDR5DESKTOP
Release date: 1 Apr 2017
Radeon RX 550
GeForce GTX 660
Memory: 2048Mb GDDR5DESKTOP
Release date: 6 Sep 2012
GeForce GTX 660

Summary

Reasons to consider Radeon RX 550

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 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 GeForce GTX 660

Supports PhysX
Supports G-Sync
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

Radeon RX 550

HWBench recommends Radeon RX 550

Based on theoretical specifications.


Specifications

Core Configuration

Radeon RX 550GeForce GTX 660
GPU NamePolaris 12 (Baffin XT)vsGK106 (GK106-400-A1)
Fab Process14 nmvs28 nm
Die Size0 mm²vs221 mm²
Transistorsunknownvs2,540 million
Shaders640vs960
Compute Units10vs5
Core clock1125 MHzvs980 MHz
ROPs16vs24
TMUs40vs80

Memory Configuration

Radeon RX 550GeForce GTX 660
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs192 bit
Memory Speed1750 MHz
7000 MHz effective
vs1502 MHz
6008 MHz effective
Memory Size4096 Mbvs2048 Mb

Additional details

Radeon RX 550GeForce GTX 660
TDP0 wattsvs140 watts
Release Date1 Apr 2017vs6 Sep 2012

Raw Performance comparison

Pixel Rate

  • Radeon RX 550
    20.83 GP/s
  • GeForce GTX 660
    19.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 550
    52.10 GT/s
  • GeForce GTX 660
    78.40 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 550
    112.00 GB/s
  • GeForce GTX 660
    144.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 550
    1666.60 GFLOPs
  • GeForce GTX 660
    1882.00 GFLOPs

GFLOPs - higher is better