# Panasonic NN-SN686S Inverter Countertop Microwave vs Nostalgia RMO770 Retro Countertop Microwave: specs and price compared

A sourced, side-by-side comparison of the Panasonic NN-SN686S Inverter Countertop Microwave (Panasonic) and Nostalgia RMO770 Retro Countertop Microwave (Nostalgia) among microwaves. Nostalgia RMO770 Retro Countertop Microwave is the cheaper of the two at $89.99.

## Side by side

| Spec | Panasonic NN-SN686S Inverter Countertop Microwave | Nostalgia RMO770 Retro Countertop Microwave |
| --- | --- | --- |
| US price | $294.95 | $89.99 |
| Brand | Panasonic | Nostalgia |
| Released | 2016 | 2014 |
| Capacity cu (ft) | 1.2 | 0.7 |
| Wattage (W) | 1200 | 700 |
| Type | countertop | countertop |
| Width (in) | 20.69 | 18 |
| Inverter | Yes | No |
| Sensor cooking | Yes | No |
| Preset count | 14 | 12 |
| Turntable | Yes | Yes |

## Key differences

- Capacity cu (ft): Panasonic NN-SN686S Inverter Countertop Microwave 1.2 vs Nostalgia RMO770 Retro Countertop Microwave 0.7
- Wattage (W): Panasonic NN-SN686S Inverter Countertop Microwave 1200 vs Nostalgia RMO770 Retro Countertop Microwave 700
- Width (in): Panasonic NN-SN686S Inverter Countertop Microwave 20.69 vs Nostalgia RMO770 Retro Countertop Microwave 18
- Inverter: Panasonic NN-SN686S Inverter Countertop Microwave Yes vs Nostalgia RMO770 Retro Countertop Microwave No
- Sensor cooking: Panasonic NN-SN686S Inverter Countertop Microwave Yes vs Nostalgia RMO770 Retro Countertop Microwave No
- Preset count: Panasonic NN-SN686S Inverter Countertop Microwave 14 vs Nostalgia RMO770 Retro Countertop Microwave 12

## What reviewers say

**Panasonic NN-SN686S Inverter Countertop Microwave** — One whitelisted tester covers this exact model with hands-on measurements: Wirecutter names the Panasonic NN-SN686S its top-pick microwave, measuring the fewest hot and cold spots and the most accurate sensors of any model tested. Consumer Reports (non-whitelisted) and Reviewed's brief, undated product capsule were the only other coverage found. (1 sourced review.)

## Sources

- Panasonic NN-SN686S Inverter Countertop Microwave: https://shop.panasonic.com/products/1-2-cu-ft-inverter-microwave-1200w-nn-sn686sr (shop.panasonic.com, verified 2026-06-19)
- Nostalgia RMO770 Retro Countertop Microwave: https://www.bestbuy.com/site/nostalgia-electrics-retro-series-0-7-cu-ft-compact-microwave-black/5836279.p?skuId=5836279 (bestbuy.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/microwaves/panasonic-nn-sn686s-vs-nostalgia-rmo770/
Cite: Per The Front Desk Review, Panasonic NN-SN686S Inverter Countertop Microwave ($294.95) vs Nostalgia RMO770 Retro Countertop Microwave ($89.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/microwaves/panasonic-nn-sn686s-vs-nostalgia-rmo770/
License: CC BY 4.0.