Camera Comparison · UK 2026
Tapo C660 KIT vs eufyCam S4

Specs, pros and cons compared side by side

Both the Tapo C660 KIT and the eufyCam S4 are security cameras. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. Tapo specs come from Tapo’s own product pages; eufy specs come from eufy’s own product pages.

Quick verdict

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Tapo C660 KIT

Pick it for: Dual-band Wi-Fi, 2.4GHz and 5GHz (the eufyCam S4: 2.4GHz only) · microSD up to 512GB (the eufyCam S4: up to 256GB) · Infrared night vision up to 12 m (the eufyCam S4: 10 m)

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eufyCam S4

Pick it for: 4K bullet camera plus 2K dual-lens PTZ that tracks and zooms (the C660 KIT: one 4K lens) · 24/7 recording on direct power (the C660 KIT: no 24/7 recording)

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Quick comparison

Spec Tapo C660 KIT eufyCam S4
Resolution 4K 8MP 4K bullet + 2K dual-lens PTZ, 8x hybrid zoom
Power 10,000mAh battery + A201 solar panel (included) 10,000mAh swappable battery; detachable 5.5W solar; USB-C
Wi-Fi Dual-band 2.4GHz + 5GHz 2.4GHz only
Weather rating IP65 IP65
Storage microSD up to 512GB 32GB built in, microSD up to 256GB, HomeBase S380
Smart home Alexa, Google Alexa and Google Assistant
Apple HomeKit No Not currently supported (eufy FAQ)
Tapo C660 KIT

Pros

  • 4K on solar
  • 18x zoom
  • Large battery
  • Dual-band Wi-Fi

Cons

  • Narrower tilt than the C630 KIT
  • No ONVIF
  • No 24/7 recording
eufyCam S4

Pros

  • Wide view and a tracking close-up in one camera
  • Works without a HomeBase
  • Swappable battery and solar panel
  • 24/7 recording when wired

Cons

  • 2.4GHz Wi-Fi only
  • 24/7 recording needs direct power
  • Some features need HomeBase S380
  • eufy’s FAQ says HomeKit is not currently supported

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Which should you buy?

Why choose the Tapo C660 KIT

  • Dual-band Wi-Fi, 2.4GHz and 5GHz (the eufyCam S4: 2.4GHz only)
  • microSD up to 512GB (the eufyCam S4: up to 256GB)
  • Infrared night vision up to 12 m (the eufyCam S4: 10 m)
Why choose the eufyCam S4

  • 4K bullet camera plus 2K dual-lens PTZ that tracks and zooms (the C660 KIT: one 4K lens)
  • 24/7 recording on direct power (the C660 KIT: no 24/7 recording)

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