GeForce GTX 660 vs Radeon R9 270X

GeForce GTX 660
Memory: 2048Mb GDDR5DESKTOP
Release date: 6 Sep 2012
GeForce GTX 660
Radeon R9 270X
Memory: 2048Mb GDDR5DESKTOP
Release date: 8 Oct 2013
Radeon R9 270X

Summary

Synthetic performance index

  • GeForce GTX 660
    100%
  • Radeon R9 270X
    127%

Relative performance

Gaming performance index

  • GeForce GTX 660
    100%
  • Radeon R9 270X
    118%

Relative performance

Reasons to consider GeForce GTX 660

40 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 270X .
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

Reasons to consider Radeon R9 270X

18% higher gaming performance.
This is a much newer product, it might have better long term support.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon R9 270X

HWBench recommends Radeon R9 270X

The Radeon R9 270X is the better performing card based on the game benchmark suite used (10 combinations of games and resolutions).


Specifications

Core Configuration

GeForce GTX 660Radeon R9 270X
GPU NameGK106 (GK106-400-A1)vsCuracao (Curacao XT)
Fab Process28 nmvs28 nm
Die Size221 mm²vs212 mm²
Transistors2,540 millionvs2,800 million
Shaders960vs1280
Compute Units5vs20
Core clock980 MHzvs1000 MHz
ROPs24vs32
TMUs80vs80

Memory Configuration

GeForce GTX 660Radeon R9 270X
Memory TypeGDDR5vsGDDR5
Bus Width192 bitvs256 bit
Memory Speed1502 MHz
6008 MHz effective
vs1400 MHz
5600 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

GeForce GTX 660Radeon R9 270X
TDP140 wattsvs180 watts
Release Date6 Sep 2012vs8 Oct 2013

Raw Performance comparison

Pixel Rate

  • GeForce GTX 660
    19.60 GP/s
  • Radeon R9 270X
    32.00 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 660
    78.40 GT/s
  • Radeon R9 270X
    80.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 660
    144.00 GB/s
  • Radeon R9 270X
    179.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 660
    1882.00 GFLOPs
  • Radeon R9 270X
    2560.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 660
    6800
  • Radeon R9 270X
    8700

Points (higher is better)

Game benchmarks

Battlefield 4

DX11, Ultra Quality,2x MSAA,16x AF, HBAO

  • GeForce GTX 660
    43
  • Radeon R9 270X
    53

FPS (higher is better)

Bioshock Infinite

DX11, Ultra Quality,DDOD, FX AA

  • GeForce GTX 660
    50
  • Radeon R9 270X
    52

FPS (higher is better)

Crysis 3

DX11,Very High Quality, FXAA

  • GeForce GTX 660
    30
  • Radeon R9 270X
    33

FPS (higher is better)

Hitman Absolution

DX11, High Quality, 2x MSAA, 16x AF

  • GeForce GTX 660
    42
  • Radeon R9 270X
    52

FPS (higher is better)

Medal Of Honor Warfighter

DX11, Ultra Quality, 4xMSAA

  • GeForce GTX 660
    39
  • Radeon R9 270X
    48

FPS (higher is better)

Metro Last Light

DX11, AAA standard, 16xAF, Motion Blur normal, Tesselation normal

  • GeForce GTX 660
    32
  • Radeon R9 270X
    38

FPS (higher is better)

Bioshock Infinite

DX11, Ultra, DDOD, FXAA

  • GeForce GTX 660
    31
  • Radeon R9 270X
    34

FPS (higher is better)

Grand Theft Auto V

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

  • GeForce GTX 660
    25
  • Radeon R9 270X
    28

FPS (higher is better)

Hitman Absolution

DX11, High Quality, 2x MSAA, 16x AF

  • GeForce GTX 660
    27
  • Radeon R9 270X
    39

FPS (higher is better)

Grand Theft Auto V

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

  • GeForce GTX 660
    37
  • Radeon R9 270X
    42

FPS (higher is better)