Displays · Head to head

Amazon Echo Show 21 vs Amazon Echo Show 8 (3rd Gen)

Full Smart Displays comparison in 2026

Updated June 2026
Data from Amazon.
2026 verdict
Wall TV against countertop champion: the Amazon Echo Show 21 wins this comparison on screen size, its defining 21-inch Full HD canvas with Fire TV and remote turning a kitchen wall into television, noticeboard and dashboard at once. The Amazon Echo Show 8 (3rd Gen) counters as the smarter value: cheaper, spatial audio that embarrasses the big screen's speakers, a fast processor and the identical Zigbee, Thread and Matter hub trio. Shuttered cameras and Alexa on both. If nothing but a wall-filling screen will do, the Show 21 stands alone; for everything else the Show 8 is Amazon's best display buy.
FeatureAmazon Echo Show 21Amazon Echo Show 8 (3rd Gen)Winner
Price$399.99$149.99Amazon Echo Show 8 (3rd Gen)
Connectivity2.4 GHz WiFi, 5 GHz WiFi, 6 GHz WiFi, Bluetooth2.4 GHz WiFi, 5 GHz WiFi, BluetoothAmazon Echo Show 21
Screen Size21"8"Amazon Echo Show 21
Rating4.44.4Tie
Warranty1 year1 yearTie
IntegrationsAlexa, Home AssistantAlexa, Home AssistantTie
HubZigbee Coordinator, Thread Border Router, Matter BridgeZigbee Coordinator, Thread Border Router, Matter BridgeTie
Voice AssistantAmazon AlexaAmazon AlexaTie
CameraYESYESTie
SensorsMotionMotionTie

Frequently Asked Questions

Which is better overall: Amazon Echo Show 21 or Amazon Echo Show 8 (3rd Gen)?

Amazon Echo Show 21 wins on its unmatched 21-inch Full HD screen with Fire TV and wall mounting. Amazon Echo Show 8 (3rd Gen) is far cheaper with better sound quality per size and identical hub radios, making it the value pick for counters.

What is the biggest difference between Amazon Echo Show 21 and Amazon Echo Show 8 (3rd Gen)?

Format. The Show 21 is a wall-mounted display large enough to replace a small TV, with a remote included. The Show 8 is a countertop display whose strength is audio and speed. Their smart home internals are the same.

Are they equal as smart home hubs?

Yes: both include a Zigbee coordinator, Thread border router and Matter bridge, show Ring, Blink and Arlo feeds, and run Alexa with partial Home Assistant support and no Google Assistant or HomeKit.

Which sounds better?

The Amazon Echo Show 8 (3rd Gen), despite being smaller: its spatial audio impresses owners, while Amazon Echo Show 21 buyers often call the built-in sound mediocre for the screen size and add a soundbar.

Who should buy Amazon Echo Show 21?

Choose Amazon Echo Show 21 for a big kitchen or family room wall: streaming, calendars, lists and camera feeds readable from anywhere in the room, at a premium price.

Who should buy Amazon Echo Show 8 (3rd Gen)?

Choose Amazon Echo Show 8 (3rd Gen) for the best-balanced Echo: kitchen-friendly size, superb sound, snappy performance and full hub capability at a fraction of the cost.

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