Best Portable Fridge Freezers · head-to-head

Dometic CFX3 45 vs Whynter FM-45G

A sourced, side-by-side comparison. Whynter FM-45G is cheaper at $409.99. Every spec and price links to its source.

Which is better: the Dometic CFX3 45 or Whynter FM-45G?

On the specs we track, they're closely matched. The Whynter FM-45G is the cheaper at $409.99.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Dometic CFX3 45 Whynter FM-45G
US price $949.99 $409.99
BrandDometicWhynter
Released
Capacity liters 46
Zone config single-zone single-zone
Min temp celsius -22
Cooling type compressor compressor
Input voltages 12/24V DC, 110-240V AC 12/24V DC, 115V AC
Rated power watts 65
Has battery No No
Battery capacity (Wh)
Has ice maker No No
Has app Yes No
Weight (kg)

Sources — Dometic CFX3 45: dometic.com (verified 2026-07-11). Whynter FM-45G: whynter.com (verified 2026-07-11).

What's the difference between the Dometic CFX3 45 and Whynter FM-45G?

Where the two actually differ on the specs we track (2 of 11). Matching specs are omitted.

  • Input voltages: Dometic CFX3 45 12/24V DC, 110-240V AC vs Whynter FM-45G 12/24V DC, 115V AC
  • Has app: Dometic CFX3 45 true vs Whynter FM-45G false

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