Panasonic
Panasonic NN-SN686S Inverter Countertop Microwave
$294.95
Released 2016
Best Microwaves · head-to-head
Panasonic NN-SN686S Inverter Countertop Microwave vs Nostalgia RMO770 Retro Countertop Microwave
A sourced, side-by-side comparison. Nostalgia RMO770 Retro Countertop Microwave is cheaper at $89.99. Every spec and price links to its source.
Nostalgia
Nostalgia RMO770 Retro Countertop Microwave
$89.99Cheaper
Released 2014
Which is better: the Panasonic NN-SN686S Inverter Countertop Microwave or Nostalgia RMO770 Retro Countertop Microwave?
On the specs we track, they're closely matched. The Nostalgia RMO770 Retro Countertop Microwave is the cheaper at $89.99.
Check Panasonic NN-SN686S Inverter Countertop Microwave price Check Nostalgia RMO770 Retro Countertop Microwave price
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| 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 |
| Release | 2016 | 2014 |
Sources — Panasonic NN-SN686S Inverter Countertop Microwave: shop.panasonic.com (verified 2026-06-19). Nostalgia RMO770 Retro Countertop Microwave: bestbuy.com (verified 2026-06-19).
What's the difference between the Panasonic NN-SN686S Inverter Countertop Microwave and Nostalgia RMO770 Retro Countertop Microwave?
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.
- 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 true vs Nostalgia RMO770 Retro Countertop Microwave false
- Sensor cooking: Panasonic NN-SN686S Inverter Countertop Microwave true vs Nostalgia RMO770 Retro Countertop Microwave false
- Preset count: Panasonic NN-SN686S Inverter Countertop Microwave 14 vs Nostalgia RMO770 Retro Countertop Microwave 12
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
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, 1 lab-tested.)
Praised: Most even, precise heating — fewest hot and cold spots of any model tested; Large, responsive door-open button rated easiest and most pleasant to use; Accurate sensor-reheat plus 12 sensor-cook modes that worked well.
Flagged: No instant-start express settings (must enter time/power then press start); Repair requires shipping to a service center or finding a certified shop; Frequently out of stock.
Nostalgia RMO770 Retro Countertop Microwave
No sourced tester review yet.