# ThermoBalance LX Elite (Medium) vs Saatva Rx: Firmness, Price, and Construction Compared

Canonical: https://squishmat.com/compare/brooklyn-bedding-thermobalance-lx-elite-medium-vs-saatva-rx · Data refreshed 2026-09-04 · Source: SquishMat

These two are close substitutes on paper — the spec table below shows where they differ.

## Full spec table

| Spec | ThermoBalance LX Elite (Medium) | Saatva Rx |
| --- | --- | --- |
| Type | Hybrid | Hybrid |
| Firmness | 6/10 | 6/10 |
| Height | 16" | 15.5" |
| Queen price | $3,199 | $3,124 |
| Price range (all sizes) | $2,332–$3,999 | $1,499–$3,124 |
| Foam densities (lb/ft³, top → bottom) | 1.5 / 3.5 / 2.1 / 5.3 / 1.5 / 1.5 | 1.5 / 1.9 / 1.9 / 1.5 / 1.5 / 1.5 |
| Coil gauge | 13.5 | 18 |
| Coil count (queen) | — | — |
| Cooling | 6/10 | 7/10 |
| Motion isolation | 6/10 | 6/10 |
| Edge support | 8/10 | 7/10 |
| Pressure relief | 8/10 | 7/10 |
| Support | 9/10 | 8/10 |
| Natural materials | 4/10 | 5/10 |
| Notable features | Flagship latex-hybrid cooling bed, Talalay latex + 3.5 PCF memory foam, 16" luxury-height build, 13.5-gauge pocketed coils | Designed for chronic back and joint pain, Patented spinal-zone support, Plush pressure-relief comfort layers, Reinforced edge support |
| Spec source | NapLab | NapLab |

## Key differences

- The ThermoBalance LX Elite (Medium) runs thicker support coils (13.5-gauge vs 18-gauge — lower gauge means thicker, firmer wire).

## Who each mattress is for

**ThermoBalance LX Elite (Medium):** The ThermoBalance LX Elite (Medium) has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions. Strengths: Excellent pressure relief at the shoulders and hips; Strong, even support that keeps the spine aligned; Sturdy edges that make the full surface usable.

**Saatva Rx:** The Saatva Rx has a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions. Strengths: Strong, even support that keeps the spine aligned.

## FAQ

### Which is firmer, the ThermoBalance LX Elite (Medium) or the Saatva Rx?

They rate the same: both are a 6/10 on the firmness scale, a medium feel that works for many side and back sleepers, and for combination sleepers who switch positions.

### Which is cheaper, the ThermoBalance LX Elite (Medium) or the Saatva Rx?

The Saatva Rx is cheaper in a queen: $3,124 versus $3,199, as of 2026-09-04.

### What is the main construction difference between the ThermoBalance LX Elite (Medium) and the Saatva Rx?

Both are hybrid builds; the biggest spec difference is the support core — the ThermoBalance LX Elite (Medium) uses thicker coils. Full specs are in the table above.

## More

- [ThermoBalance LX Elite (Medium) — full specs](https://squishmat.com/mattresses/brooklyn-bedding-thermobalance-lx-elite-medium)
- [Saatva Rx — full specs](https://squishmat.com/mattresses/saatva-rx)
- [Comparison matrix: every mattress we track](https://squishmat.com/compare)

Free to cite with attribution — link to the canonical page. Where a datapoint traces to a third-party teardown, please credit the original measurer too (sources are cited per bed on https://squishmat.com/mattress-database).