Nolah Signature 12 vs The Purple Mattress
They're priced closely — the real difference is feel: the The Purple Mattress is the firmer of the two. Every number below comes from published teardowns and spec sheets (see our methodology); prices are queen-size, refreshed 2026-09-15.
Nolah Signature 12 vs The Purple Mattress: full spec table
| Spec | Nolah Signature 12 | The Purple Mattress |
|---|---|---|
| Type | Foam | Foam |
| Firmness | 5/10 | 6/10 |
| Height | 12" | 9.25" |
| Queen price | $1,259 | $1,280 |
| Price range (all sizes) | $909–$1,434 | $880–$1,760 |
| Foam densities (lb/ft³, top → bottom) | 1.5 / 2.5 / 2.4 / 1.5 / 1.5 / 1.5 | 1.8 / 2.0 |
| Coil gauge | — | — |
| Coil count (queen) | — | — |
| Cooling | 5/10 | 6/10 |
| Motion isolation | 7/10 | 7/10 |
| Edge support | 5/10 | 5/10 |
| Pressure relief | 9/10 | 8/10 |
| Support | 6/10 | 6/10 |
| Natural materials | 2/10 | 3/10 |
| Notable features | Flippable two-firmness all-foam, Nolah AirFoam comfort layer, High-resilience support base, Designed for side sleepers | GelFlex Grid comfort layer, Temperature-neutral grid, Responsive pressure relief |
| Spec source | NapLab | Sleep Foundation |
Key differences
- The The Purple Mattress is a step firmer (6/10 vs 5/10), so it suits sleepers who want a bit more pushback.
Who the Nolah Signature 12 is for
The Nolah Signature 12 has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
- Excellent pressure relief at the shoulders and hips
Who the The Purple Mattress is for
The The Purple Mattress has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.
- Excellent pressure relief at the shoulders and hips
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Frequently asked questions
Which is firmer, the Nolah Signature 12 or the The Purple Mattress?
The The Purple Mattress is firmer at 6/10 versus 5/10 for the Nolah Signature 12.
Which is cheaper, the Nolah Signature 12 or the The Purple Mattress?
The Nolah Signature 12 is cheaper in a queen: $1,259 versus $1,280, as of 2026-09-15.
What is the main construction difference between the Nolah Signature 12 and the The Purple Mattress?
Both are foam builds with similar published specs — the differences come down to feel and price rather than construction. The full layer-by-layer comparison is in the table above.
See how both stack up against every bed we track in the full comparison matrix, or dig into the complete specs for the Nolah Signature 12 and the The Purple Mattress.