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Door Locks · Head to head

Aqara Smart Lock U300 vs Eufy Smart Lock C220

Full Smart Door Locks comparison in 2026

Updated September 2026
Data from Amazon and official Aqara and Eufy sites.
2026 verdict
Aqara Smart Lock U300 edges out Eufy Smart Lock C220 in 2026, led by weather resistance, battery life, and connectivity.
Aqara Smart Lock U300
Winner
Aqara Smart Lock U300
$189.99
Buy on Amazon USACheck price
Its clearest strengths are weather resistance, battery life, and connectivity, and it still looks stronger on integrations and Lock/Unlock system. Eufy Smart Lock C220 is still relevant if you care most about price and rating, but Aqara Smart Lock U300 is the stronger recommendation overall. As a general recommendation, Aqara Smart Lock U300 comes out on top.
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FeatureAqara Smart Lock U300Eufy Smart Lock C220Winner
Price$189.99$109.99Eufy Smart Lock C220
Rating3.64.3Eufy Smart Lock C220
Weather ResistanceIPX4IP53Aqara Smart Lock U300
Battery Life10 months8 monthsAqara Smart Lock U300
ConnectivityBluetooth, Thread Protocol, Other2.4 GHz WiFiAqara Smart Lock U300
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Home AssistantAqara Smart Lock U300
Lock/Unlock SystemRemote, Bluetooth, Passcode, Fingerprint, NFC Tag, Apple Home Key, Physical KeyRemote, Passcode, Fingerprint, Apple Home Key, Physical KeyAqara Smart Lock U300
One-Time PasswordYESNOAqara Smart Lock U300
Periodic PasswordYESNOAqara Smart Lock U300
Anti-peep PasswordYESYESTie
Emergency FingerprintNONOTie
DoorbellNONOTie

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Aqara Smart Lock U300
  • Eufy Smart Lock C220

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Frequently Asked Questions

Which is better overall: Aqara Smart Lock U300 or Eufy Smart Lock C220?

Aqara Smart Lock U300 has the stronger overall profile in this comparison, especially for weather resistance, battery life, and connectivity.

What is the biggest difference between Aqara Smart Lock U300 and Eufy Smart Lock C220?

Price is one of the clearest differences: Aqara Smart Lock U300 lists $189.99, while Eufy Smart Lock C220 lists $109.99.

Which one looks better on price?

Aqara Smart Lock U300 is listed at $189.99, while Eufy Smart Lock C220 is listed at $109.99. Eufy Smart Lock C220 (better spec).

Who should buy Aqara Smart Lock U300?

Choose Aqara Smart Lock U300 if your priority is weather resistance and battery life and that matters more than price.

Who should buy Eufy Smart Lock C220?

Choose Eufy Smart Lock C220 if your priority is price and rating and that matters more than weather resistance.

Full comparison table

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  • 44 Door Locks
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