Camera Comparison · UK 2026
eufyCam S4 vs eufy SoloCam E42

Specs, pros and cons compared side by side

Both the eufyCam S4 and the eufy SoloCam E42 are solar cameras with pan-tilt tracking. 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 product pages.

Quick verdict

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eufyCam S4

Pick it for: Fixed 4K bullet plus a 2K dual-lens PTZ that tracks (the E42: one 4K pan-tilt camera) · 32GB built-in storage (the E42: no built-in storage) · 24/7 to microSD on direct power (the E42: 24/7 needs wiring, HomeBase 3 and a drive)

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eufy SoloCam E42

Pick it for: Works with Apple Home via HomeBase S380 (the S4: HomeKit not currently supported) · Works with HomeBase 2 (the S4: not HomeBase 2 or Mini)

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Quick comparison

Spec eufyCam S4 eufy SoloCam E42
Resolution 4K bullet + 2K dual-lens PTZ, 8x hybrid zoom 4K, 110°; 355° pan (eufy’s US page)
Power 10,000mAh swappable battery; detachable 5.5W solar; USB-C Battery with built-in 3W solar
IP Rating IP65 IP65
Wi-Fi 2.4GHz only 2.4GHz only
Storage 32GB built in, microSD up to 256GB, HomeBase S380 microSD up to 128GB or HomeBase 3; also works with HomeBase 2 (not HomeBase mini, per eufy’s US page)
Apple HomeKit Not currently supported (eufy FAQ) Yes (with HomeBase S380)
Smart home Alexa and Google Assistant Apple Home (with S380), Alexa and Google Assistant
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
eufy SoloCam E42

Pros

  • 4K pan-tilt with tracking
  • Solar built in
  • Apple Home with HomeBase S380
  • Strong deterrents

Cons

  • 2.4GHz Wi-Fi only
  • 24/7 needs wiring, HomeBase 3 and a drive
  • Not compatible with HomeBase mini (eufy’s US page)
  • No built-in storage, and the microSD card is not included

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Which should you buy?

Why choose the eufyCam S4

  • Fixed 4K bullet plus a 2K dual-lens PTZ that tracks (the E42: one 4K pan-tilt camera)
  • 32GB built-in storage (the E42: no built-in storage)
  • 24/7 to microSD on direct power (the E42: 24/7 needs wiring, HomeBase 3 and a drive)
Why choose the eufy SoloCam E42

  • Works with Apple Home via HomeBase S380 (the S4: HomeKit not currently supported)
  • Works with HomeBase 2 (the S4: not HomeBase 2 or Mini)

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