Radeon RX 480 vs GeForce GTX 660

Radeon RX 480
Memory: 8192Mb GDDR5DESKTOP
Release date: 29 Jun 2016
Radeon RX 480
GeForce GTX 660
Memory: 2048Mb GDDR5DESKTOP
Release date: 6 Sep 2012
GeForce GTX 660

Summary

Synthetic performance index

  • Radeon RX 480
    271%
  • GeForce GTX 660
    100%

Relative performance

Gaming performance index

  • Radeon RX 480
    231%
  • GeForce GTX 660
    100%

Relative performance

Reasons to consider Radeon RX 480

131% higher gaming performance.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 480

HWBench recommends Radeon RX 480

The Radeon RX 480 is the better performing card based on the game benchmark suite used (2 combinations of games and resolutions).


Specifications

Core Configuration

Radeon RX 480GeForce GTX 660
GPU NameEllesmere (Ellesmere XT)vsGK106 (GK106-400-A1)
Fab Process14 nmvs28 nm
Die Size232 mm²vs221 mm²
Transistors5,700 millionvs2,540 million
Shaders2304vs960
Compute Units36vs5
Core clock1120 MHzvs980 MHz
ROPs32vs24
TMUs144vs80

Memory Configuration

Radeon RX 480GeForce GTX 660
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs192 bit
Memory Speed2000 MHz
8000 MHz effective
vs1502 MHz
6008 MHz effective
Memory Size8192 Mbvs2048 Mb

Additional details

Radeon RX 480GeForce GTX 660
TDP150 wattsvs140 watts
Release Date29 Jun 2016vs6 Sep 2012

Raw Performance comparison

Pixel Rate

  • Radeon RX 480
    40.50 GP/s
  • GeForce GTX 660
    19.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 480
    182.30 GT/s
  • GeForce GTX 660
    78.40 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 480
    256.00 GB/s
  • GeForce GTX 660
    144.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 480
    5834.00 GFLOPs
  • GeForce GTX 660
    1882.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon RX 480
    18430
  • GeForce GTX 660
    6800

Points (higher is better)

Game benchmarks

Grand Theft Auto V

DX11, Max Details, 16:1 AF, 2xMSAA

  • Radeon RX 480
    84
  • GeForce GTX 660
    37

FPS (higher is better)

Grand Theft Auto V

DX11, Max Details, 16:1 AF, 2xMSAA

  • Radeon RX 480
    59
  • GeForce GTX 660
    25

FPS (higher is better)