Eufy Cam S4 vs Eufy Outdoor Cam E210

The Eufy Cam S4 is the more capable camera, with 4K video, a dual-lens 355 degree pan and 70 degree tilt auto-tracking head and solar charging. The Eufy Outdoor Cam E210 wins on price and rating, adds a tougher IP67 rating and Apple HomeKit support, and does reliable wired 24/7 recording.

Resolution and coverage. The Eufy Cam S4 is a 4K dual-lens camera that pans, tilts and auto-tracks movement, while the Eufy Outdoor Cam E210 is a fixed 1080p wired camera. One actively follows subjects in high detail; the other is a simpler, plug-in workhorse.

The Eufy Cam S4. It records 4K and uses a dual-lens design that pans 355 degrees and tilts 70 degrees to auto-track people, pets and vehicles. The Eufy Outdoor Cam E210 is a fixed 1080p camera that watches a set area rather than following subjects.

The Eufy Outdoor Cam E210 does, alongside Google Home and Alexa. The Eufy Cam S4 works with Google Home, Alexa and Home Assistant but not HomeKit, so for an Apple-centric home the E210 is the compatible choice.

Buy the Eufy Cam S4 if you want flagship 4K detail, solar-topped battery and pan-tilt auto-tracking from one camera. It suits large properties and driveways where actively following movement, with generous subscription-free storage, is worth the higher price.

Buy the Eufy Outdoor Cam E210 if you want an affordable, wired outdoor camera with 24/7 recording, RTSP and HomeKit support, and a rugged IP67 build. It is a dependable, subscription-free choice for everyday home coverage.