LuxeErgo 3400 Hybrid vs Millbrook Serenity Luxury 6500: which is better?
Quick answer
The LuxeErgo 3400 Hybrid and Millbrook Serenity Luxury 6500 score almost the same overall (8.7 vs 8.7), so the choice comes down to feel, firmness and budget.
Both tested and scored by Alexander Bowman. Scores use the same criteria for every mattress.
Side by side
| Feature | LuxeErgo 3400 Hybrid | Millbrook Serenity Luxury 6500 |
|---|---|---|
| Overall score | 8.7/10 | 8.7/10 |
| Support | 9.0 | 9.2 |
| Comfort | 9.0 | 9.2 |
| Value | 8.2 | 7.6 |
| Price | £464 | £1,450 |
| Type | Hybrid | Pocket spring |
| Firmness | Firm | Medium |
| Depth | 31 cm | 34 cm |
| Home trial | 100 nights | - |
| Warranty | 10 years | 5 years |
Prices change often; confirm on the retailer's site. We may earn a commission if you buy through our links. It never affects our scores.
Choose the LuxeErgo 3400 Hybrid if…
- You want to spend less: it's £986 cheaper at £464.
- You want a firmer bed (firm), e.g. for back or front sleeping.
- You prefer a springy, more responsive feel that sleeps cooler than all-foam.
- You want the longer home trial (100 nights).
- A longer warranty matters (10 years).
What we like
- Matching 9.0 scores for both support and comfort – the only mattress here to manage that
- Dual-layer pocket springs with 7-zone support for precise spinal alignment
- 31cm build with a natural wool and cotton cover that regulates temperature
What could be better
- Still too firm for lighter dedicated side sleepers
- 100-night trial is half what Emma offers at this price
Choose the Millbrook Serenity Luxury 6500 if…
- You want a softer bed (medium), e.g. as a side sleeper.
- You prefer a traditional bouncy feel with good airflow.
What we like
- 6,500 springs give the finest-grained support in the range
- Deepest Millbrook at 34cm, with the richest natural fill
- Outstanding pressure relief without losing alignment
What could be better
- £1,450 for a medium-tension double is a serious outlay
- Only a 5-year guarantee at this price
LuxeErgo 3400 Hybrid vs Millbrook Serenity Luxury 6500: FAQs
Which is better, the LuxeErgo 3400 Hybrid or the Millbrook Serenity Luxury 6500?
The LuxeErgo 3400 Hybrid and Millbrook Serenity Luxury 6500 score almost the same overall (8.7 vs 8.7), so the choice comes down to feel, firmness and budget.
Which is firmer, the LuxeErgo 3400 Hybrid or the Millbrook Serenity Luxury 6500?
The LuxeErgo 3400 Hybrid is firmer (firm), while the Millbrook Serenity Luxury 6500 is medium.
Which is better value?
The LuxeErgo 3400 Hybrid scores higher for value (8.2/10), at £464.