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Eufy SoloCam S40 (4K) — Security/dash cam · 4K
Eufy

Eufy SoloCam S40 (4K)

Security/dash cam · 4K

82
/ 100
From $150
VS
Opal C1 wins by 5
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, Eufy SoloCam S40 (4K) lands at 82 and Opal C1 at 87. That puts Opal C1 ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Eufy SoloCam S40 (4K) if…

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

Pick Opal C1 if…

  • Mirrorless-quality image
  • Built-in mic array
  • Solid software
Eufy SoloCam S40 (4K) 82
vs
87 Opal C1

Score breakdown

Eufy SoloCam S40 (4K)
82
image 78
features 82
build 86
value 82
Opal C1
87
image 94
features 82
build 90
value 78

Specs side-by-side

Eufy SoloCam S40 (4K) versus Opal C1 — full spec comparison
Spec Eufy SoloCam S40 (4K) Opal C1
Type
Security/dash cam
Resolution
4K
4K / 30 fps
Release year
2022
Sensor
Sony IMX378 1/2.3″
Connectivity
USB-C

Eufy SoloCam S40 (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: Eufy SoloCam S40 (4K) vs Opal C1

Which is better, Eufy SoloCam S40 (4K) or Opal C1? +

Opal C1 scores 87 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.

Is Eufy SoloCam S40 (4K) worth the price? +

At $150, Eufy SoloCam S40 (4K) delivers a Specdex score of 82 — strongest in build.

Is Opal C1 worth the price? +

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

Does Eufy SoloCam S40 (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.