Video Doorbell Comparison · UK 2026
eufy Video Doorbell S4 vs eufy Video Doorbell S330
Specs, pros and cons compared side by side
Both the eufy Video Doorbell S4 and the eufy Video Doorbell S330 are eufy video doorbells. 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. 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) from one camera with a 180° x 180° view (the S330: a 2K front camera plus a 1080p package camera) · 2.4GHz and 5GHz Wi-Fi 6 (the S330: 2.4GHz only) · 4GB of storage built into the doorbell, plus an SD card slot (the S330: storage on its HomeBase 2)
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eufy Video Doorbell S330
Pick it for: Runs on battery for 3 to 6 months, or from existing doorbell wires (the S4: wired only) · Works with an existing chime (the S4: eufy’s user guide has you bypass your existing chime, so it no longer sounds) · HomeBase 2 with 16GB included (the S4: HomeBase not included) · A separate 1080p package camera (the S4: one camera)
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Quick comparison
| Spec |
eufy Video Doorbell S4 |
eufy Video Doorbell S330 |
| Resolution |
3K (3072 x 3072), 180° x 180° view |
2K front (160°) + 1080p package camera |
| Power |
Wired only (16-24V AC, 10-40 VA) |
Battery (3 to 6 months); can use existing doorbell wires |
| Wi-Fi |
2.4GHz and 5GHz (Wi-Fi 6) |
2.4GHz only |
| Weather rating |
Not stated by eufy |
IP65 |
| Storage |
4GB built in; SD card up to 1TB (not included) |
HomeBase 2 included (16GB) |
| Smart home |
Alexa and Google Assistant; HomeKit with a HomeBase S380 |
Alexa and Google Assistant |
| Chime |
Plug-in eufy Chime 2 included; existing chime bypassed |
Existing chime, add-on chime or Alexa Echo |
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)
eufy Video Doorbell S330
Pros
- Package camera
- HomeBase included
- Radar cuts false alerts
- Works with an existing chime
Cons
- 2.4GHz Wi-Fi only
- No HomeKit
- Needs the HomeBase for storage
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Which should you buy?
Why choose the eufy Video Doorbell S4
- 3K (3072 x 3072) from one camera with a 180° x 180° view (the S330: a 2K front camera plus a 1080p package camera)
- 2.4GHz and 5GHz Wi-Fi 6 (the S330: 2.4GHz only)
- 4GB of storage built into the doorbell, plus an SD card slot (the S330: storage on its HomeBase 2)
Why choose the eufy Video Doorbell S330
- Runs on battery for 3 to 6 months, or from existing doorbell wires (the S4: wired only)
- Works with an existing chime (the S4: eufy’s user guide has you bypass your existing chime, so it no longer sounds)
- HomeBase 2 with 16GB included (the S4: HomeBase not included)
- A separate 1080p package camera (the S4: one camera)
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