Camera Comparison · UK 2026
eufyCam E40 vs eufy SoloCam E42

Specs, pros and cons compared side by side

Both the eufyCam E40 and the eufy SoloCam E42 are solar battery cameras. 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 E40

Pick it for: Rated IP66 (the E42: IP65) · 105dB siren (the E42: 103dB)

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eufy SoloCam E42

Pick it for: 4K video (the E40: 2K 4MP) · Works without a HomeBase, on microSD up to 128GB (the E40 needs a HomeBase 2 or S380) · Built-in 3W solar panel (the E40: built-in 0.7W)

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Quick comparison

Spec eufyCam E40 eufy SoloCam E42
Resolution 2K 4MP, 130°, F1.0; MaxColor Vision + infrared 4K, 110°; 355° pan (eufy’s US page)
Power Battery with built-in 0.7W solar; external solar supported; 24/7 on direct power Battery with built-in 3W solar
IP Rating IP66 IP65
Wi-Fi Not stated by eufy 2.4GHz only
Storage 16GB on HomeBase; up to 16TB (S380) or 256GB (HomeBase 2) microSD up to 128GB or HomeBase 3; also works with HomeBase 2 (not HomeBase mini, per eufy’s US page)
Apple HomeKit Yes (HomeBase 2 needs firmware v3.3.6.9+) Yes (with HomeBase S380)
Smart home Apple Home, Alexa and Google Assistant Apple Home (with S380), Alexa and Google Assistant
eufyCam E40

Pros

  • Built-in solar
  • 24/7 recording when wired
  • Works with Apple Home
  • Works with HomeBase 2 or S380

Cons

  • Needs a HomeBase
  • Face recognition needs HomeBase S380
  • Power cable for 24/7 sold separately
  • eufy does not list Wi-Fi details
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 E40

  • Rated IP66 (the E42: IP65)
  • 105dB siren (the E42: 103dB)
Why choose the eufy SoloCam E42

  • 4K video (the E40: 2K 4MP)
  • Works without a HomeBase, on microSD up to 128GB (the E40 needs a HomeBase 2 or S380)
  • Built-in 3W solar panel (the E40: built-in 0.7W)

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