Camera Comparison · UK 2026
eufyCam S4 vs Reolink Argus 4 Pro

Specs, pros and cons compared side by side

Both the eufyCam S4 and the Reolink Argus 4 Pro are security 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; Reolink specs come from Reolink’s own product pages.

Quick verdict

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eufyCam S4

Pick it for: Wide view and a tracking close-up in one camera (the Argus 4 Pro: fixed 180° view) · 10,000mAh battery (the Argus 4 Pro: 5,000mAh) · 32GB built-in storage (the Argus 4 Pro: microSD, Home Hub or cloud)

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Reolink Argus 4 Pro

Pick it for: IP66 weather rating (the S4: IP65) · Dual-band Wi-Fi 6 (the S4: 2.4GHz only) · microSD up to 512GB (the S4: 256GB)

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Quick comparison

Spec eufyCam S4 Reolink Argus 4 Pro
Resolution 4K bullet + 2K dual-lens PTZ, 8x hybrid zoom 5120 x 1440 (8MP), 180° from two lenses
Power 10,000mAh swappable battery; detachable 5.5W solar; USB-C 5,000mAh battery (USB-C); Solar Panel 2 (6W) compatible
Wi-Fi 2.4GHz only Wi-Fi 6, 2.4GHz and 5GHz
Weather rating IP65 IP66
Storage 32GB built in, microSD up to 256GB, HomeBase S380 microSD up to 512GB, Reolink Home Hub, Reolink Cloud
Smart home Alexa and Google Assistant Google Assistant and Alexa
Apple HomeKit Not currently supported (eufy FAQ) Not listed by Reolink
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
Reolink Argus 4 Pro

Pros

  • One 180° view from a single camera
  • Colour night vision
  • IP66 weather rating
  • Works with Google Assistant and Alexa

Cons

  • No infrared, so the night picture depends on the spotlights
  • Fixed view, no pan or tilt
  • Smaller battery than the Altas range

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Which should you buy?

Why choose the eufyCam S4

  • Wide view and a tracking close-up in one camera (the Argus 4 Pro: fixed 180° view)
  • 10,000mAh battery (the Argus 4 Pro: 5,000mAh)
  • 32GB built-in storage (the Argus 4 Pro: microSD, Home Hub or cloud)
Why choose the Reolink Argus 4 Pro

  • IP66 weather rating (the S4: IP65)
  • Dual-band Wi-Fi 6 (the S4: 2.4GHz only)
  • microSD up to 512GB (the S4: 256GB)

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