Amazon Echo Show 10 (3rd Gen) vs Amazon Echo Show 21

Amazon Echo Show 10 (3rd Gen) wins with its lower price and higher owner rating, plus better sound relative to its size and the unique rotating screen. Amazon Echo Show 21 counters with a giant 21-inch Full HD display and full Fire TV with a remote.

Scale and placement. The Show 21 is essentially a wall-mounted small TV and family hub, readable across a room. The Show 10 lives on a counter and physically turns its screen toward you as you move, which owners love for calls and recipes.

Yes: both include a Zigbee coordinator, Thread border router and Matter bridge, display camera feeds and run Alexa (with Alexa+), with partial Home Assistant support and no Google Assistant or HomeKit.

The Amazon Echo Show 10 (3rd Gen) has the stronger, more tunable speakers for its class. Amazon Echo Show 21 owners commonly describe the built-in sound as just okay and often add a soundbar when using it as a TV.

Choose Amazon Echo Show 10 (3rd Gen) for the best-reviewed big-screen Alexa experience on a counter: rotating display, good speakers, video calls and hub radios at a friendlier price.

Choose Amazon Echo Show 21 if you want one huge wall screen for streaming, calendars, lists and camera feeds in a kitchen or common room, and you are comfortable with its premium price and possibly adding external audio.