Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Google - Nest Mini (2nd gen) | Sonos - Era 300 |
|---|---|---|
| Dolby Atmos | false | true |
| Output | 15 W | 0 W |
Between the Nest Mini (2nd gen) and Era 300, the Nest Mini (2nd gen) comes out ahead in output, while the Era 300 wins on dolby atmos. Overall, the Nest Mini (2nd gen) scores 66.4 and the Era 300 scores 65.4 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (66.4 vs 65.4). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Nest Mini (2nd gen) if you care most about output. The biggest gaps in its favor are output. The single most decisive one: Output: 15 W vs 0 W.
Pick the Era 300 if you care most about dolby atmos. Its strongest claims are dolby atmos. The single most decisive one: Has Dolby Atmos.
Both ship with comparable matter / thread, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Google - Nest Mini (2nd gen) or Sonos - Era 300?
Google - Nest Mini (2nd gen) leads the current Mars Score by 1.0 points.The more useful decision is the trade-off behind that result: compare output, dolby atmos against the way you will actually use the product.
Choose Google - Nest Mini (2nd gen) if…
Google - Nest Mini (2nd gen) has the measurable edge on output w.
Choose Sonos - Era 300 if…
Sonos - Era 300 has the measurable edge on has dolby atmos.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Google - Nest Mini (2nd gen) wins
- ▲Output: 15 W vs 0 W.
Why Sonos - Era 300 wins
- ▲Has Dolby Atmos.
Spec comparison
Audio
| Spec | Google - Nest Mini (2nd gen) | Sonos - Era 300 |
|---|---|---|
| Output | 15 Wlead | 0 W |
| Stereo pairingⓘ | true | true |
| Dolby Atmosⓘ | false | truelead |
Assistant & Smart Home
| Spec | Google - Nest Mini (2nd gen) | Sonos - Era 300 |
|---|---|---|
| Voice assistant | Google Assistant | Alexa,Sonos Voice |
| Matter / Thread | true | true |
| Zigbee hub | false | false |