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Cameras · Head to head

Reolink Altas PT Ultra vs Reolink Argus 4 Pro

Full Smart Cameras comparison in 2026

Updated February 2026
Data from Amazon and official Reolink site.
2026 verdict
Between these two Reolink solar cameras, the Reolink Argus 4 Pro edges it as the better buy, being the cheaper of the pair with IP66 sealing and a fixed 180 degree ultra-wide view that covers a whole side of a house at once.
Reolink Argus 4 Pro
Winner
Reolink Argus 4 Pro
$179.99
Buy on Amazon USACheck price
It also works with Alexa, which its sibling does not. The Reolink Altas PT Ultra answers with a far longer battery rating (16 months against 2 months) and a motorized head that pans 355 degrees and tilts 90 degrees, and it supports 24/7 video history. Everything else is shared: 4K video, color night vision, dual-band Wi-Fi, solar charging, a light, a siren and microSD recording. Go with the Argus for wide, glance-free coverage on a budget; go with the Altas if you want to steer the view and recharge as rarely as possible.
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FeatureReolink Altas PT UltraReolink Argus 4 ProWinner
Price$188.99$179.99Reolink Argus 4 Pro
Weather ResistanceIP65IP66Reolink Argus 4 Pro
Battery Life16 months2 monthsReolink Altas PT Ultra
Rating3.83.8Tie
Warranty2 years2 yearsTie
PoENONOTie
Solar ChargingYESYESTie
Connectivity2.4 GHz WiFi, 5 GHz WiFi2.4 GHz WiFi, 5 GHz WiFiTie
StorageMicroSD Card Slot, CloudMicroSD Card Slot, CloudTie
2K VideoYESYESTie
4K VideoYESYESTie
HDRNONOTie

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Reolink Altas PT Ultra
  • Reolink Argus 4 Pro

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Frequently Asked Questions

Which is better overall: Reolink Altas PT Ultra or Reolink Argus 4 Pro?

The Reolink Argus 4 Pro wins overall on price and weather resistance. The Reolink Altas PT Ultra wins on battery life and adds pan-tilt.

What is the biggest difference between the Reolink Altas PT Ultra and the Reolink Argus 4 Pro?

How they cover an area. The Reolink Argus 4 Pro uses a fixed 180 degree horizontal view, while the Reolink Altas PT Ultra moves, with 355 degrees of pan and 90 degrees of tilt.

Which lasts longer on battery?

The Reolink Altas PT Ultra is rated for about 16 months per charge, versus about 2 months for the Reolink Argus 4 Pro. Both also support solar charging.

Do they work with Alexa and Home Assistant?

Both work with Google Home, and both need a Reolink Home Hub for Home Assistant and RTSP. Only the Reolink Argus 4 Pro works with Alexa.

Who should buy the Reolink Altas PT Ultra?

Owners who want to aim and track across a large area from one camera and recharge as rarely as possible, or who want 24/7 video history on a battery camera.

Who should buy the Reolink Argus 4 Pro?

Buyers who want the most coverage per camera with no moving parts, Alexa support and a lower price, in a spot with decent sun.

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