Winner
Updated June 2026
Data from Amazon.
2026 verdict
Between Amazon Echo Show 21 and Amazon Echo Show 8 (3rd Gen), Amazon Echo Show 21 is the better overall pick in 2026, leading on screen size. It wins the broader comparison through screen size, while its broader overall balance helps confirm the result. Amazon Echo Show 8 (3rd Gen) is the better fit only for buyers who prioritize price above everything else here. In practical terms, Amazon Echo Show 21 is the easier product to recommend.
| Feature | Amazon Echo Show 21 | Amazon Echo Show 8 (3rd Gen) | Winner |
|---|---|---|---|
| Price | $399.99 | $149.99 | Amazon Echo Show 8 (3rd Gen) |
| Screen Size | 21" | 8" | Amazon Echo Show 21 |
| Rating | 4.4 | 4.4 | Tie |
| Warranty | 1 year | 1 year | Tie |
| Connectivity | 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth | 2.4 GHz WiFi, 5 GHz WiFi, Bluetooth | Tie |
| Integrations | Alexa, Home Assistant | Alexa, Home Assistant | Tie |
| Hub | Zigbee Coordinator, Thread Border Router, Matter Bridge | Zigbee Coordinator, Thread Border Router, Matter Bridge | Tie |
| Screen | YES | YES | Tie |
| Sensors | Motion | Motion | Tie |
| Alerts | Glass breaking, Smoke/CO alarm | Glass breaking, Smoke/CO alarm | Tie |
| Voice Match | YES | YES | Tie |
Winner
$399.99
- + Screen Size: 21"
- - Price: $399.99 vs $149.99
$149.99
- + Price: $149.99
- - Screen Size: 8" vs 21"
Frequently Asked Questions
Which is better overall: Amazon Echo Show 21 or Amazon Echo Show 8 (3rd Gen)?
Amazon Echo Show 21 has the stronger overall profile in this comparison, especially for screen size.
What is the biggest difference between Amazon Echo Show 21 and Amazon Echo Show 8 (3rd Gen)?
Price is one of the clearest differences: Amazon Echo Show 21 lists $399.99, while Amazon Echo Show 8 (3rd Gen) lists $149.99.
Which one looks better on price?
Amazon Echo Show 21 is listed at $399.99, while Amazon Echo Show 8 (3rd Gen) is listed at $149.99. Amazon Echo Show 8 (3rd Gen) (better spec).
Who should buy Amazon Echo Show 21?
Choose Amazon Echo Show 21 if your priority is screen size and that matters more than price.
Who should buy Amazon Echo Show 8 (3rd Gen)?
Choose Amazon Echo Show 8 (3rd Gen) if your priority is price and that matters more than screen size.
AmazonEcho Dot (5th Gen)
$49.99
AmazonEcho (4th Gen)
$99.99
AmazonEcho Pop
$39.99
AmazonEcho Show 10 (3rd Gen)
$249.99
AmazonEcho Spot
$79.99
AmazonEcho Studio
$199.99
AppleHomePod (2nd gen)
$369.99
AmazonEcho Show 8 (3rd Gen)
$149.99
AmazonEcho Show 15
$299.99- Amazon
Echo Show 21
$399.99 
GoogleNest Audio
5% OFF$119.99$113.99
GoogleNest Mini (2nd gen)
$92.99
GoogleNest Hub (2nd Gen)
$155.00
AmazonEcho Show 5 (3rd Gen)
$89.99
GoogleNest Hub Max
20% OFF$324.00$260.00
AmazonEcho Hub
$179.99
AppleHomePod mini
$99.00
Nabu CasaHome Assistant Voice
$59.00
Air Quality MonitorsAmazonSmart Air Quality Monitor
$69.99
DisplaysAmazonEcho Hub
$179.99
DisplaysAmazonEcho Show 10 (3rd Gen)
$249.99
DisplaysAmazonEcho Show 15
$299.99
DisplaysAmazonEcho Show 21
$399.99
DisplaysAmazonEcho Show 5 (3rd Gen)
$89.99
DisplaysAmazonEcho Show 8 (3rd Gen)
$149.99
SpeakersAmazonEcho (4th Gen)
$99.99
SpeakersAmazonEcho Dot (5th Gen)
$49.99
SpeakersAmazonEcho Pop
$39.99
SpeakersAmazonEcho Spot
$79.99
SpeakersAmazonEcho Studio
$199.99
ThermostatsAmazonSmart Thermostat
$122.98- Voice AssistantsAmazon
Echo (4th Gen)
$99.99 - Voice AssistantsAmazon
Echo Dot (5th Gen)
$49.99 - Voice AssistantsAmazon
Echo Hub
$179.99 - Voice AssistantsAmazon
Echo Pop
$39.99 - Voice AssistantsAmazon
Echo Show 10 (3rd Gen)
$249.99 - Voice AssistantsAmazon
Echo Show 15
$299.99 - Voice AssistantsAmazon
Echo Show 21
$399.99