Amazon Echo Show 15 vs Echo Show 21: which wall-mountable smart display should you buy?

Amazon has released an even bigger smart display with its new Echo Show 21 with a larger screen, improved speakers and faster Wi-Fi .

The all-new Echo Show 15 costs $ 299 ( 299.99 , $ 399 AUD ) while the Echo Show Show 21 is $ 100 more at $ 399 ( 399.99 ) Both devices ship with a wall mount in addition to an Alexa Voice Remote in the box.

Both devices can be used in landscape or portrait mode and they have a built-in accelerometer to instantly swap between orientations when rotated.

The Echo Show 15 and the Echo Show 21 use the same 18V , 1.67A DC power supply and both devices have a recessed power port on the back.

Amazon ’s Premium Adjustable Stand can swivel 360 degrees as well as tilt upwards and downwards for a better viewing experience.

Both devices come with built-in Fire TV functionality with support for all the best streaming services.

Amazon 's Alexa Voice Remote has shortcuts to four streaming services and volume control buttons.

The more expensive Echo Show 21 offers a better experience overall thanks to its larger screen.

The Echo Show 15 is $ 100 cheaper and comes with the same features and functionality as its larger sibling.

Which one you ultimately pick up will depend on your budget and how you intend to use it.