Cameras · Head to head

Eufy Cam S4 vs Reolink Argus PT Ultra + Solar Panel

Full Smart Cameras comparison in 2026

Updated November 2026
Data from the official Eufy and Reolink sites.
2026 verdict
If you would rather not pay a monthly fee, the Eufy Cam S4 is the stronger solar pan-tilt security camera here, with more ways to keep footage locally than the Reolink Argus PT Ultra + Solar Panel.
Eufy Cam S4
Winner
Eufy Cam S4
$349.99
Buy on Amazon USA
It pairs 32GB of built-in storage with a microSD slot, streams over RTSP without an extra hub, can run wired for 24/7 recording, and adds a second telephoto lens next to the wide one for zoomed tracking. The Reolink Argus PT Ultra + Solar Panel answers with dual-band 2.4 and 5 GHz Wi-Fi, a wider 140 degree tilt range, a two-year warranty against one and a solar panel in the box, and it usually costs less. Both record 4K with color night vision and a spotlight, detect people, animals and vehicles, and work with Alexa and Google Home. Pick the Eufy Cam S4 for local recording and tracking detail, and the Reolink Argus PT Ultra + Solar Panel for a crowded Wi-Fi network or a tighter budget.
Works with
Connectivity
  • Wi-Fi 2.4 GHz
vs
  • Wi-Fi 2.4/5 GHz
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FeatureEufy Cam S4Reolink Argus PT Ultra + Solar PanelWinner
Price$349.99$134.99Reolink Argus PT Ultra + Solar Panel
Rating4.24.0Eufy Cam S4
Warranty1 year2 yearsReolink Argus PT Ultra + Solar Panel
Connectivity2.4 GHz WiFi2.4 GHz WiFi, 5 GHz WiFiReolink Argus PT Ultra + Solar Panel
StorageInternal, MicroSD Card Slot, CloudMicroSD Card Slot, CloudEufy Cam S4
Multiple LensesTriple (fixed wide + dual-lens pan-tilt zoom)NOEufy Cam S4
RTSPYESReolink Home Hub requiredEufy Cam S4
AlertsMotion, People, Animals, Vehicles, Familiar FacesMotion, People, Animals, VehiclesEufy Cam S4
Weather ResistanceIP65IP65Tie
PoENONOTie
Solar ChargingYESYESTie
2K VideoYESYESTie

What the differences mean

Local storage and RTSP

The Eufy Cam S4 has 32GB inside plus a microSD slot, and lists RTSP on its own. The Reolink Argus PT Ultra + Solar Panel records to microSD only and needs a Reolink Home Hub for RTSP and Home Assistant, which is an extra box to buy.

Lenses and tracking

The Eufy Cam S4 has two lenses, a 130 degree wide view and a 46 degree telephoto, so it can keep the whole yard in frame while zooming on a person. The Reolink Argus PT Ultra + Solar Panel uses a single 110 degree lens but tilts through 140 degrees against 70.

Power options

The Eufy Cam S4 can be wired and records 24/7 when it is, with a large 44.3 Wh battery and solar as backup. The Reolink Argus PT Ultra + Solar Panel is battery and solar only, so it records events rather than continuously.

Wi-Fi

The Reolink Argus PT Ultra + Solar Panel connects on 2.4 or 5 GHz, the Eufy Cam S4 on 2.4 GHz only. In an apartment building or a home full of smart devices, the second band is a real advantage.

Warranty

Reolink covers the Reolink Argus PT Ultra + Solar Panel for two years, Eufy covers the Eufy Cam S4 for one.

Which one to buy if

Winner
Eufy

Eufy Cam S4

Prime exclusive deal
$349.99
Buy on Amazon USA
  • + Rating: 4.2
  • + Storage: Internal, MicroSD Card Slot, Cloud
  • + Multiple Lenses: Triple (fixed wide + dual-lens pan-tilt zoom)
  • - Price: $349.99 vs $134.99
  • - Warranty: 1 year vs 2 years

What owners say

Owners of both cameras agree on the basics: solar charging that keeps the battery near full with little upkeep, sharp 4K footage by day and night, and the relief of skipping a monthly plan. Eufy Cam S4 owners single out the dual-lens tracking, where the top lens holds the scene while the bottom one zooms and follows, and praise Eufy's customer service; their complaints are 2.4 GHz connections that struggle on busy networks, a heavy and slow app and vehicle detection that misses on long driveways. Reolink Argus PT Ultra + Solar Panel owners talk more about value and running large fleets with few failures, and note a bright spotlight; they warn that it sleeps between events and has to reload for live view, and that the Reolink Home Hub it needs for extras can be finicky.

Frequently Asked Questions

Which is better: Eufy Cam S4 or Reolink Argus PT Ultra + Solar Panel?

The Eufy Cam S4, for most buyers. It has more local storage, a second telephoto lens for tracking, RTSP without a hub and optional wired 24/7 recording. The Reolink Argus PT Ultra + Solar Panel is the better pick for dual-band Wi-Fi, a longer warranty and a lower price.

Does the Eufy Cam S4 support RTSP?

Yes. Eufy lists RTSP for the Eufy Cam S4, though owners note it is not available while the camera runs on battery. On the Reolink Argus PT Ultra + Solar Panel, RTSP requires a Reolink Home Hub.

Do the Eufy Cam S4 and the Reolink Argus PT Ultra + Solar Panel need a subscription?

No. Both record locally for free, the Eufy Cam S4 to 32GB of built-in storage or a microSD card and the Reolink Argus PT Ultra + Solar Panel to a microSD card. Cloud storage is an optional paid plan on both.

Do both cameras pan and tilt?

Yes, both pan 355 degrees. The Reolink Argus PT Ultra + Solar Panel tilts through 140 degrees and the Eufy Cam S4 through 70, but the Eufy adds a fixed wide lens beside its moving telephoto lens.

Who should buy the Eufy Cam S4?

Buyers who want the most local recording options, continuous recording when wired, and zoomed auto-tracking that still keeps the whole scene in view.

Who should buy the Reolink Argus PT Ultra + Solar Panel?

Buyers who need 5 GHz Wi-Fi, want a two-year warranty and a solar panel included, and are happy with event recording to a microSD card at a lower price.

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