eufy (Anker)
eufy SoloCam S340
$199.99
Released 2023
Best Security Cameras · head-to-head
eufy SoloCam S340 vs Reolink Argus 4 Pro
A sourced, side-by-side comparison. eufy SoloCam S340 is cheaper at $199.99. Every spec and price links to its source.
Reolink
Reolink Argus 4 Pro
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | eufy SoloCam S340 | Reolink Argus 4 Pro |
|---|---|---|
| US price | $199.99 | — |
| Brand | eufy (Anker) | Reolink |
| Released | 2023 | — |
| Resolution | 2880x1620 (3K wide-angle) + 2304x1296 (2K telephoto dual-lens) | 5120x1440 (4K UHD, 8 MP) |
| Indoor outdoor | No | Yes |
| Power | Built-in rechargeable battery (3 months standalone); removable 2.2 W solar panel included | Rechargeable 5000 mAh battery; optional Reolink Solar Panel 2 (6 W); USB-C charging |
| Field of view (°) | 135 | 180 |
| Local storage | Yes | Yes |
| Cloud subscription | none | optional |
| Night vision | Color night vision (f/1.6 aperture) and B&W infrared | Color night vision (ColorX, F/1.0 aperture, 1/1.8" CMOS); 5 built-in spotlights (2 W, 6500 K) for total darkness; no infrared |
| Release | 2023 | — |
Sources — eufy SoloCam S340: eufy.com (verified 2026-06-15). Reolink Argus 4 Pro: reolink.com (verified 2026-07-08).
What's the difference between the eufy SoloCam S340 and Reolink Argus 4 Pro?
Where the two actually differ on the specs we track (6 of 7). Matching specs are omitted.
- Resolution: eufy SoloCam S340 2880x1620 (3K wide-angle) + 2304x1296 (2K telephoto dual-lens) vs Reolink Argus 4 Pro 5120x1440 (4K UHD, 8 MP)
- Indoor outdoor: eufy SoloCam S340 false vs Reolink Argus 4 Pro true
- Power: eufy SoloCam S340 Built-in rechargeable battery (3 months standalone); removable 2.2 W solar panel included vs Reolink Argus 4 Pro Rechargeable 5000 mAh battery; optional Reolink Solar Panel 2 (6 W); USB-C charging
- Field of view (°): eufy SoloCam S340 135 vs Reolink Argus 4 Pro 180
- Cloud subscription: eufy SoloCam S340 none vs Reolink Argus 4 Pro optional
- Night vision: eufy SoloCam S340 Color night vision (f/1.6 aperture) and B&W infrared vs Reolink Argus 4 Pro Color night vision (ColorX, F/1.0 aperture, 1/1.8" CMOS); 5 built-in spotlights (2 W, 6500 K) for total darkness; no infrared
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
eufy SoloCam S340
Two hands-on testers (PCWorld/TechHive and SafeWise) recommend the S340. Both praise its sharp dual-lens image quality (wide-angle plus telephoto zoom) and the included solar panel, which held the battery at or near 100% over weeks of real-world use. Both also value the optional (no mandatory subscription) 8GB local storage. Each flags the flimsy included mounting screws and app friction. No RTINGS/PCMag/Tom's Guide standalone review of this exact model was verified; blogs excluded. (2 sourced reviews, 2 lab-tested.)
Praised: Sharp dual-lens image quality: crisp main lens plus telephoto zoom, good detail; Included solar panel kept the battery at or near 100% over weeks of real-world use; No mandatory subscription; 8GB of local storage included.
Flagged: Included mounting screws strip or won't seat, leaving a wobbly bracket; App friction: PCWorld notes the feed can't be inverted; SafeWise found motion-notification settings buried too deep; Motion sensor overly sensitive/trigger-happy out of the box.
Reolink Argus 4 Pro
No sourced tester review yet.