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Eufy S330 4K Solo Cam (1080p) — Security/dash cam · 1080p
Eufy

Eufy S330 4K Solo Cam (1080p)

Security/dash cam · 1080p

85
/ 100
From $220
VS
Viofo A139 Pro (4K) — Security/dash cam · 4K
Viofo

Viofo A139 Pro (4K)

Security/dash cam · 4K

85
/ 100
From $400
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Eufy S330 4K Solo Cam (1080p) lands at 85 and Viofo A139 Pro (4K) at 85. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Eufy S330 4K Solo Cam (1080p) if…

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

Pick Viofo A139 Pro (4K) if…

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

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

Build

Tie

Compared on the build sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Features

Tie

Compared on the features sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Image

Tie

Compared on the image sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Eufy S330 4K Solo Cam (1080p)

Specdex score per dollar at MSRP

Eufy S330 4K Solo Cam (1080p) more score per dollar ($220 vs $400).

Eufy S330 4K Solo Cam (1080p) 85
vs
85 Viofo A139 Pro (4K)

Score breakdown

Eufy S330 4K Solo Cam (1080p)
85
image 81
features 85
build 86
value 82
Viofo A139 Pro (4K)
85
image 81
features 85
build 86
value 82

Specs side-by-side

Eufy S330 4K Solo Cam (1080p) versus Viofo A139 Pro (4K) — full spec comparison
Spec Eufy S330 4K Solo Cam (1080p) Viofo A139 Pro (4K)
Type
Security/dash cam
Security/dash cam
Resolution
▲ 1080p
4K
Release year
2023
2022

Eufy S330 4K Solo Cam (1080p)

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

Viofo A139 Pro (4K)

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

FAQ: Eufy S330 4K Solo Cam (1080p) vs Viofo A139 Pro (4K)

Which is better, Eufy S330 4K Solo Cam (1080p) or Viofo A139 Pro (4K)? +

Both score 85 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Eufy S330 4K Solo Cam (1080p) worth the price? +

At $220, Eufy S330 4K Solo Cam (1080p) delivers a Specdex score of 85 — strongest in build.

Is Viofo A139 Pro (4K) worth the price? +

At $400, Viofo A139 Pro (4K) delivers a Specdex score of 85 — strongest in build.

Does Eufy S330 4K Solo Cam (1080p) or Viofo A139 Pro (4K) 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 the better value, Eufy S330 4K Solo Cam (1080p) or Viofo A139 Pro (4K)? +

Eufy S330 4K Solo Cam (1080p) — more score per dollar ($220 vs $400). Specdex score per dollar at MSRP.