Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Amazon - Echo Show 15 | JBL - Authentics 500 |
|---|---|---|
| Matter / Thread | true | false |
| Dolby Atmos | false | true |
| Output | 270 W |
Between the Echo Show 15 and Authentics 500, the Echo Show 15 comes out ahead in matter / thread, while the Authentics 500 wins on dolby atmos / output. Overall, the Echo Show 15 scores 65.4 and the Authentics 500 scores 68.7 on our Mars Score.
Which should you buy?
The Authentics 500 edges ahead on the Mars Score (65.4 vs 68.7), but the 3.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Echo Show 15 if you care most about matter / thread. The biggest gaps in its favor are matter / thread. The single most decisive one: Has Matter / Thread.
Pick the Authentics 500 if you care most about dolby atmos / output. Its strongest claims are dolby atmos, output. The single most decisive one: Has Dolby Atmos.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
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: Amazon - Echo Show 15 or JBL - Authentics 500?
JBL - Authentics 500 leads the current Mars Score by 3.3 points.The more useful decision is the trade-off behind that result: compare output, dolby atmos, matter / thread against the way you will actually use the product.
Choose Amazon - Echo Show 15 if…
Amazon - Echo Show 15 has the measurable edge on has matter thread.
Choose JBL - Authentics 500 if…
JBL - Authentics 500 has the measurable edge on has dolby atmos, output w.
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 Amazon - Echo Show 15 wins
- ▲Has Matter / Thread.
Why JBL - Authentics 500 wins
- ▲Has Dolby Atmos.
- ▲Output: 270 W vs W.
Spec comparison
Audio
| Spec | Amazon - Echo Show 15 | JBL - Authentics 500 |
|---|---|---|
| Output | 270 Wlead | |
| Stereo pairingⓘ | false | truelead |
| Dolby Atmosⓘ | false | truelead |
| Built-in display | truelead | false |
Assistant & Smart Home
| Spec | Amazon - Echo Show 15 | JBL - Authentics 500 |
|---|---|---|
| Voice assistant | Alexa | Alexa,Google Assistant |
| Matter / Thread | truelead | false |
| Zigbee hub | truelead | false |