# Dometic CFX3 45 vs Whynter FM-45G: specs and price compared

A sourced, side-by-side comparison of the Dometic CFX3 45 (Dometic) and Whynter FM-45G (Whynter) among portable fridge freezers. Whynter FM-45G is the cheaper of the two at $409.99.

## Side by side

| Spec | Dometic CFX3 45 | Whynter FM-45G |
| --- | --- | --- |
| US price | $949.99 | $409.99 |
| Brand | Dometic | Whynter |
| 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) | — | — |

## Key differences

- 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 Yes vs Whynter FM-45G No

## Sources

- Dometic CFX3 45: https://www.dometic.com/en/product/dometic-cfx3-45-9620009573 (dometic.com, verified 2026-07-11)
- Whynter FM-45G: https://whynter.com/product/45-quart-portable-refrigerator-freezer-ac-dc-fm-45g/ (whynter.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/portable-fridge-freezers/dometic-cfx3-45-vs-whynter-fm-45g/
Cite: Per The Front Desk Review, Dometic CFX3 45 ($949.99) vs Whynter FM-45G ($409.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/portable-fridge-freezers/dometic-cfx3-45-vs-whynter-fm-45g/
License: CC BY 4.0.