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Google, Alexa and Siri smart speaker reviews

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Last updated: 26 March 2019

Smart speakers give you the freedom to control your home entertainment, your smart devices and even your life with simple voice commands. You can ask them to pick a show on Netflix, add biscuits to your shopping list or set the oven to 180 degrees.

We test smart speakers in separate contexts, as they're able to complete tasks in two distinct areas:

  • How well they perform as home automation devices.
  • How well they perform as a speaker for music, radio, podcasts and so on, in our wireless speakers test.

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Our expert testers give each smart speaker a thorough workout to help find the models that:

  • are the easiest to set up and use 
  • have the best sound quality
  • have the lowest annual running costs.

Our interactive comparison tool helps you compare how well the smart speakers recognise voice commands, what features and services they offer and which third-party streaming services, home automation devices and websites they work with. Our Recommended rating will help you quickly see which models come out on top.

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List of brands we tested in this review.


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Recommended retail or typical retail price as of March 2019

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Personal assistant

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The digital assistant included with the speaker.

Ease of use score

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Includes set-up, control, responsiveness to voice commands and media playback.

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Sound quality score

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Performance tests are based on our listening panel's appraisal of two pieces of music (rock/pop and electronic). The speaker is positioned about two metres away from the listeners who assess overall quality.

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Annual running cost

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Based on 19 hours sitting idle, 5 hours active. Calculated at 30 cents per kilowatt-hour; this is a minimum as the cost will vary depending on how often the speaker is used, and the type of task you've asked it to perform.

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Can the speaker connect to other Bluetooth devices? This is generally used for entertainment (e.g. music and audio playback), rather than issuing commands to the assistant via a separate device.


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Can the smart speaker run on rechargeable batteries so you can use it as a portable speaker?

Included in this review

Members-only access
  • Recommended
  • Overall score
  • Ease of use score
  • Sound quality score
  • Power consumption score
  • Annual running cost
  • Good points
  • Bad points
  • Brand
  • Model
  • Availability
  • Price
  • Personal assistant
  • Speaker
  • Microphone
  • Indicator light
  • Mute button
  • Other physical controls
  • Wi-Fi (single/dual band)
  • Portable
  • Bluetooth
  • Music service support
  • Audio playback devices supported
  • Video services supported
  • Video playback devices supported
  • Photos
  • News and weather briefings
  • Calendar support
  • Set alarms
  • Create shopping and to-do lists
  • Translation
  • Smart LED integration
  • Smart switch integration
  • Where is data processed?
  • What data is stored?
  • Can stored data be easily deleted
  • Voice purchasing
  • Multi-user support
  • Weight (kg)
  • Dimensions (mm, HxWxD)
  • Cord length (cm)
  • Warranty (years)
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