Camera Comparison · UK 2026
Blink Outdoor 4 vs eufyCam S3 Pro

Specs, pros and cons compared side by side

Both the Blink Outdoor 4 and the eufyCam S3 Pro are security cameras. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. Blink specs come from Blink’s UK support pages; eufy specs come from eufy’s own product pages.

Quick verdict

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Blink Outdoor 4

Pick it for: Runs on 2x AA lithium cells, up to 2 years with default settings (the S3 Pro: battery with built-in solar)

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eufyCam S3 Pro

Pick it for: 4K video (the Blink: 1080p) · Built-in SolarPlus 2.0 solar panel (the Blink: 2x AA lithium cells) · Apple Home (1080p) and Google Assistant as well as Alexa (the Blink: Alexa)

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Quick comparison

Spec Blink Outdoor 4 eufyCam S3 Pro
Resolution 1080p HD, 143° diagonal 4K, MaxColor Vision
Power 2x AA lithium, up to 2 years Battery with built-in SolarPlus 2.0 panel; external solar supported
Wi-Fi 2.4GHz only 2.4GHz only
Weather rating IP65 IP67
Storage Needs a Sync Module; local with a Sync Module 2 (the Core has none), or cloud with a plan HomeBase S380 required (16GB to 16TB)
Smart home Blink app; works with Alexa Apple Home, Alexa and Google Assistant
Blink Outdoor 4

Pros

  • Long battery life on AA lithium cells
  • Wire-free install
  • IP65 weather rating
  • Works with the Floodlight Mount and Solaris

Cons

  • 1080p, not 2K
  • Needs a Sync Module
  • Sync Module Core in the bundle has no local storage
  • Person Detection needs a Blink plan
eufyCam S3 Pro

Pros

  • Strong colour night vision
  • Built-in solar charging
  • Radar cuts false alerts
  • Works with Apple Home

Cons

  • Needs a HomeBase S380
  • 2.4GHz Wi-Fi only
  • eufy says 24/7 recording is still in development
  • MaxColor does not fully cover total darkness

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Which should you buy?

Why choose the Blink Outdoor 4

  • Runs on 2x AA lithium cells, up to 2 years with default settings (the S3 Pro: battery with built-in solar)
Why choose the eufyCam S3 Pro

  • 4K video (the Blink: 1080p)
  • Built-in SolarPlus 2.0 solar panel (the Blink: 2x AA lithium cells)
  • Apple Home (1080p) and Google Assistant as well as Alexa (the Blink: Alexa)

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