Camera Comparison · UK 2026
EZVIZ CB5 4K vs EZVIZ CB3

Specs, pros and cons compared side by side

Both the EZVIZ CB5 4K and the EZVIZ CB3 are battery security cameras. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. EZVIZ specs come from EZVIZ’s own pages, UK pages first.

Quick verdict

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EZVIZ CB5 4K

Pick it for: 4K (3840 x 2160) video (the CB3: 1080p) · Built-in 1.4W solar panel (the CB3: solar panel sold separately) · 10,400mAh battery, up to 180 days without solar charging (the CB3: 5,200mAh, up to 120 days; both in EZVIZ lab tests at 5 minutes of use a day)

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EZVIZ CB3

Pick it for: Smaller body at 105.9 x 62.8 x 62.8 mm (the CB5 4K: 166 x 103 x 54 mm)

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Quick comparison

Spec EZVIZ CB5 4K EZVIZ CB3
Resolution 4K (3840 x 2160) 1080p (1920 x 1080)
Power Battery (10,400mAh) + built-in 1.4W solar panel Battery (5,200mAh); 5V 2A charging (manual: adapter sold separately)
IP Rating IP65 Weatherproof (EZVIZ gives no IP number)
Wi-Fi 2.4GHz 2.4GHz
Storage microSD up to 512GB; EZVIZ cloud storage microSD up to 256GB; CloudPlay
Apple HomeKit Not stated by EZVIZ Not stated by EZVIZ
Subscription Not needed for AI detection; CloudPlay optional CloudPlay needs a subscription; microSD supported
Smart home Alexa and Google Assistant Alexa and Google Assistant
EZVIZ CB5 4K

Pros

  • 4K video with a 135° diagonal view
  • Solar panel built in, and add-on Type-C panels supported
  • Up to 180 days without solar charging at 5 minutes of use a day, per EZVIZ lab tests
  • Colour night vision up to 15 m
  • IP65 rated, with microSD up to 512GB

Cons

  • 2.4GHz Wi-Fi only
  • Mains charging adapter sold separately
  • Add-on solar panels must use Type-C cables
  • Needs at least 8Mbps network speed
EZVIZ CB3

Pros

  • Colour night vision up to 15 m
  • Up to 120 days per charge in EZVIZ lab tests, at 5 minutes of use a day
  • microSD up to 256GB for local recording
  • Customisable voice alerts (the CB5 4K can also play a recorded voice message on motion)

Cons

  • Manual says the 5V 2A adapter and solar panel are sold separately
  • 2.4GHz Wi-Fi only
  • No IP number, only “Weatherproof Design”

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Which should you buy?

Why choose the EZVIZ CB5 4K

  • 4K (3840 x 2160) video (the CB3: 1080p)
  • Built-in 1.4W solar panel (the CB3: solar panel sold separately)
  • 10,400mAh battery, up to 180 days without solar charging (the CB3: 5,200mAh, up to 120 days; both in EZVIZ lab tests at 5 minutes of use a day)
Why choose the EZVIZ CB3

  • Smaller body at 105.9 x 62.8 x 62.8 mm (the CB5 4K: 166 x 103 x 54 mm)

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