Video Doorbell Comparison · UK 2026
eufy Video Doorbell S4 vs Reolink Video Doorbell WiFi
Specs, pros and cons compared side by side
Both the eufy Video Doorbell S4 and the Reolink Video Doorbell WiFi are wired 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; Reolink specs come from Reolink’s own 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 Video Doorbell WiFi: 5MP, 2560 x 1920, with a 180° diagonal view) · 4GB of storage built in, plus an SD card slot for cards up to 1TB (the Video Doorbell WiFi: microSD up to 256GB) · Apple HomeKit with a HomeBase S380, per eufy’s Irish and US pages (HomeKit not listed by Reolink for the Video Doorbell WiFi)
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Reolink Video Doorbell WiFi
Pick it for: An Ethernet port as well as Wi-Fi (no Ethernet port listed for the S4) · Runs from 12-24V AC, 24V DC or the included adapter (the S4: 16-24V AC doorbell wiring only) · IP65 rated (IP rating not stated by eufy for the S4)
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Quick comparison
| Spec |
eufy Video Doorbell S4 |
Reolink Video Doorbell WiFi |
| Resolution |
3K (3072 x 3072) |
5MP (2560 x 1920), 180° diagonal |
| Power |
Wired only (16-24V AC, 10-40 VA) |
Wired: 12-24V AC or 24V DC, or the included adapter |
| IP Rating |
Not stated by eufy |
IP65 |
| Wi-Fi |
2.4GHz and 5GHz (Wi-Fi 6) |
2.4GHz and 5GHz, plus Ethernet port |
| Storage |
4GB built in; SD card up to 1TB (not included); eufy HomeBase (not included) |
microSD up to 256GB, Reolink NVR, Home Hub Pro |
| Apple HomeKit |
With a HomeBase S380 (eufy IE and US) |
Not listed by Reolink |
| Subscription |
No monthly fee for local storage |
Not needed for local recording |
| Smart home |
Alexa and Google Assistant |
Google Assistant; Reolink also shows it on an Amazon Echo Show |
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)
Reolink Video Doorbell WiFi
Pros
- Chime in the box
- Wired power, so no charging
- Wi-Fi or Ethernet
- Works with Reolink NVRs
Cons
- Needs wiring or a nearby socket
- Smaller microSD limit than the 2nd Gen battery doorbell
- Package detection on the white model only
As an Amazon Associate I earn from qualifying purchases.
Which should you buy?
Why choose the eufy Video Doorbell S4
- 3K (3072 x 3072) with a 180° x 180° view (the Video Doorbell WiFi: 5MP, 2560 x 1920, with a 180° diagonal view)
- 4GB of storage built in, plus an SD card slot for cards up to 1TB (the Video Doorbell WiFi: microSD up to 256GB)
- Apple HomeKit with a HomeBase S380, per eufy’s Irish and US pages (HomeKit not listed by Reolink for the Video Doorbell WiFi)
Why choose the Reolink Video Doorbell WiFi
- An Ethernet port as well as Wi-Fi (no Ethernet port listed for the S4)
- Runs from 12-24V AC, 24V DC or the included adapter (the S4: 16-24V AC doorbell wiring only)
- IP65 rated (IP rating not stated by eufy for the S4)
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