Side-by-side mattress testing · 144+ comparisons published
Blank cells mean that model has not completed our instrumented lab protocol, so we publish no measured score for it. We never estimate a number we have not recorded.
Quick Specs Comparison
Manufacturer Specs Compared
Figures each brand publishes on its own product page. Values a brand does not publish show as "Not published".
| Spec | Serta iSeries NXG 2500 Hybrid | Saatva Classic |
|---|---|---|
| Profile height | Not published | Not published |
| Layers published | Not published | 6 |
| Cover material | Not published | Organic cotton blend cover |
| Coil count | Not published | 884 wrapped comfort coils + 416 base coils (queen) |
| Coil gauge | Not published | 14.5-gauge comfort coils, 13-gauge base coils |
| Zoning | Not published | Patented Lumbar Zone quilting, active spinal wire and gel memory foam crown through the centre third |
| Foam density | Not published | Not published |
| Fire barrier | Not published | Plant-based thistle pulp flame barrier; no fiberglass |
| Certifications | Not published | CertiPUR-US, GREENGUARD Gold |
| Made in | Not published | Assembled in the USA |
| Queen dimensions | Not published | Not published |
| Queen weight | Not published | Not published |
Sources: Saatva official page
Key Advantages
Why Choose Serta iSeries NXG 2500 Hybrid
- Deep Reaction gel foam adds noticeable cushioning over the 1500
- Medium feel works for the widest range of sleepers
- Zoned Q4 coils plus strong perimeter
Why Choose Saatva Classic
- Free white glove delivery and setup
- Exceptional breathability - sleeps very cool
- Outstanding edge support for sitting

