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Arlo Ultra 2 (4K) — Security/dash cam · 4K
Arlo

Arlo Ultra 2 (4K)

Security/dash cam · 4K

84
/ 100
From $300
VS
Opal C1 wins by 3
Opal C1 — 4K Sony IMX378 · True-to-life color
Opal

Opal C1

4K Sony IMX378 · True-to-life color

87
/ 100
From $299
Specdex verdict

Opal C1 takes it — here’s why.

In our weighted Specdex score, Arlo Ultra 2 (4K) lands at 84 and Opal C1 at 87. That puts Opal C1 ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Arlo Ultra 2 (4K) if…

  • ✓Weatherproof (most)
  • ✓Night vision
  • ✓Cloud + local storage options

Pick Opal C1 if…

  • ✓Mirrorless-quality image
  • ✓Built-in mic array
  • ✓Solid software
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Build

Opal C1

Compared on the build sub-score

Opal C1 leads on build (90 vs 86).

Image

Opal C1

Compared on the image sub-score

Opal C1 leads on image (94 vs 80).

Features

Arlo Ultra 2 (4K)

Compared on the features sub-score

Arlo Ultra 2 (4K) leads on features (84 vs 82).

Value for money

Tie

Specdex score per dollar at MSRP

Effectively tied — similar score-per-dollar at MSRP.

Arlo Ultra 2 (4K) 84
vs
87 Opal C1

Score breakdown

Arlo Ultra 2 (4K)
84
image 80
features 84
build 86
value 82
Opal C1
87
image 94
features 82
build 90
value 78

Specs side-by-side

Arlo Ultra 2 (4K) versus Opal C1 — full spec comparison
Spec Arlo Ultra 2 (4K) Opal C1
Type
Security/dash cam
—
Resolution
4K
4K / 30 fps
Release year
2021
—
Sensor
—
Sony IMX378 1/2.3″
Connectivity
—
USB-C

Arlo Ultra 2 (4K)

Pros
  • +Weatherproof (most)
  • +Night vision
  • +Cloud + local storage options
Cons
  • −Cloud storage subscription
  • −Wi-Fi dependency
  • −Privacy considerations

Opal C1

Pros
  • +Mirrorless-quality image
  • +Built-in mic array
  • +Solid software
Cons
  • −macOS favoured, Windows lags
  • −Premium price
  • −Software required

FAQ: Arlo Ultra 2 (4K) vs Opal C1

Which is better, Arlo Ultra 2 (4K) or Opal C1? +

Opal C1 scores 87 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.

Is Arlo Ultra 2 (4K) worth the price? +

At $300, Arlo Ultra 2 (4K) delivers a Specdex score of 84 — strongest in build.

Is Opal C1 worth the price? +

At $299, Opal C1 delivers a Specdex score of 87 — strongest in image.

Does Arlo Ultra 2 (4K) or Opal C1 last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for build, Arlo Ultra 2 (4K) or Opal C1? +

Opal C1 — leads on build (90 vs 86). Compared on the build sub-score.

Which is better for image, Arlo Ultra 2 (4K) or Opal C1? +

Opal C1 — leads on image (94 vs 80). Compared on the image sub-score.