Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Charles by Allswell
Siena Memory Foam
Comfort
8.4/10
8.6/10
Support
8.5/10
8.4/10
Cooling
8.3/10
8.2/10
Edge Support
8/10
7.8/10
Motion Isolation
8.6/10
9/10
Durability
8/10
8.2/10
Value
9.7/10
9.6/10
Quick Specs Comparison
Spec
Charles by Allswell
Siena Memory Foam
Price (Queen)
$339
$399
Type
Hybrid
Memory Foam
Firmness
6.5/10
6/10
Height
10 inches
10 inches
Trial
100 nights
180 nights
Warranty
10 years
10 years
Shipping
Free shipping
Free shipping
Key Advantages
Why Choose Charles by Allswell
- Under $350 for a hybrid Queen
- Pocketed coils + memory foam
- Walmart's return policy
Why Choose Siena Memory Foam
- Under $500 for a Queen
- 180-night trial — best in budget category
- Genuine memory foam comfort