Camera Comparison · UK 2026
Ring Outdoor Cam Plus vs Arlo Ultra 3

Specs, pros and cons compared side by side

Both the Ring Outdoor Cam Plus and the Arlo Ultra 3 are security cameras. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. Ring specs come from Ring’s UK support pages; Arlo specs come from our Arlo review, checked against Arlo’s own pages.

Quick verdict

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Ring Outdoor Cam Plus

Pick it for: Power over Ethernet option (the Ultra 3: removable battery) · No hub needed (the Ultra 3 needs an Arlo SmartHub)

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Arlo Ultra 3

Pick it for: 4K HDR video (the Ring: 2K, 2560 x 1440) · Works with Apple Home and Google Assistant (the Ring: Alexa) · Local storage via the SmartHub (the Ring needs Ring Protect to record)

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Quick comparison

Spec Ring Outdoor Cam Plus Arlo Ultra 3
Resolution 2K (2560 x 1440) 4K HDR
Power Removable Quick Release Battery Pack, plug-in adapter, Power over Ethernet (PoE) Removable battery
Wi-Fi Dual-band (2.4GHz and 5GHz) 2.4GHz or 5GHz (via the SmartHub)
Weather rating Not stated by Ring IP65
Storage Cloud, with a Ring Protect plan Cloud (Arlo Secure); local via the SmartHub
Smart home Works with Alexa Alexa, Apple Home, Google Assistant, IFTTT
Ring Outdoor Cam Plus

Pros

  • 2K (2560 x 1440) with night vision
  • Dual-band Wi-Fi
  • Removable battery, so you can charge it without taking the device down
  • Power over Ethernet option

Cons

  • Recording and smart alerts need a Ring Protect subscription
Arlo Ultra 3

Pros

  • 4K HDR video with a 180° view
  • 12x zoom with auto-tracking
  • Rechargeable battery that you can swap

Cons

  • Needs an Arlo SmartHub
  • Cloud history needs an Arlo Secure plan

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Which should you buy?

Why choose the Ring Outdoor Cam Plus

  • Power over Ethernet option (the Ultra 3: removable battery)
  • No hub needed (the Ultra 3 needs an Arlo SmartHub)
Why choose the Arlo Ultra 3

  • 4K HDR video (the Ring: 2K, 2560 x 1440)
  • Works with Apple Home and Google Assistant (the Ring: Alexa)
  • Local storage via the SmartHub (the Ring needs Ring Protect to record)

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