Video Doorbell Comparison · UK 2026
eufy Video Doorbell S4 vs Tapo D235
Specs, pros and cons compared side by side
Both the eufy Video Doorbell S4 and the Tapo D235 are video doorbells with a chime included. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. eufy specs come from eufy’s own pages, UK pages first, with the S4’s Wi-Fi 6 and HomeKit-with-HomeBase details from eufy’s Irish pages and its 10-40 VA transformer and chime-bypass details from eufy’s S4 user guide; Tapo specs come from Tapo’s own product pages. If you hardwire a doorbell, turn off the power at the fuse box or breaker before touching any wiring, and use a qualified electrician if you are not sure.
Quick verdict
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eufy Video Doorbell S4
Pick it for: 3K (3072 x 3072) with a 180° x 180° view (the D235: 2K 5MP) · 2.4GHz and 5GHz Wi-Fi 6 (the D235: 2.4GHz only) · 4GB of storage built in, plus an SD card slot for cards up to 1TB (the D235: microSD up to 512GB) · Apple HomeKit with a HomeBase S380, per eufy’s Irish and US pages (the D235: no HomeKit)
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Tapo D235
Pick it for: Runs on its 10,000mAh battery or hardwired (the S4: wired only) · Can use your existing chime, with Always-on turned off (the S4: eufy’s user guide bypasses your existing chime) · Works from an 8-24V supply when hardwired (the S4: 16-24V AC)
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Quick comparison
| Spec |
eufy Video Doorbell S4 |
Tapo D235 |
| Resolution |
3K (3072 x 3072) |
2K 5MP |
| Power |
Wired only (16-24V AC, 10-40 VA) |
Battery (10,000mAh, up to 210 days) or hardwired (8-24V) |
| IP Rating |
Not stated by eufy |
IP66 |
| Wi-Fi |
2.4GHz and 5GHz (Wi-Fi 6) |
2.4GHz only |
| Storage |
4GB built in; SD card up to 1TB (not included); eufy HomeBase (not included) |
microSD up to 512GB |
| Apple HomeKit |
With a HomeBase S380 (eufy IE and US) |
No |
| Subscription |
No monthly fee for local storage |
Optional (Tapo Care) |
| Smart home |
Alexa and Google Assistant |
Alexa, Google |
eufy Video Doorbell S4
Pros
- 3K video with a 180° x 180° head-to-toe view
- Colour night vision with dual spotlights
- Comes with a eufy Chime 2
- Local storage with no monthly fee: 4GB built in, plus an SD card slot
- Radar and dual PIR detection
- 2.4GHz and 5GHz Wi-Fi 6 (Irish spec table)
Cons
- Wired only: needs existing doorbell wiring and a 16-24V AC, 10-40 VA transformer (eufy’s S4 user guide)
- Your existing chime is bypassed and no longer sounds (eufy’s S4 user guide)
- Apple HomeKit needs a HomeBase S380, per eufy’s Irish and US pages
- In other smart home apps, live view is fixed, without VR Mode or OmniTrack (eufy’s Irish page)
Tapo D235
Pros
- Battery or wired
- 24/7 recording when wired
- Chime included
- Package detection
Cons
- 24/7 recording only when hardwired
- Using your old chime means turning Always-on off
- 2.4GHz Wi-Fi only
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Which should you buy?
Why choose the eufy Video Doorbell S4
- 3K (3072 x 3072) with a 180° x 180° view (the D235: 2K 5MP)
- 2.4GHz and 5GHz Wi-Fi 6 (the D235: 2.4GHz only)
- 4GB of storage built in, plus an SD card slot for cards up to 1TB (the D235: microSD up to 512GB)
- Apple HomeKit with a HomeBase S380, per eufy’s Irish and US pages (the D235: no HomeKit)
Why choose the Tapo D235
- Runs on its 10,000mAh battery or hardwired (the S4: wired only)
- Can use your existing chime, with Always-on turned off (the S4: eufy’s user guide bypasses your existing chime)
- Works from an 8-24V supply when hardwired (the S4: 16-24V AC)
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