Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Linenspa 10-Inch Gel Memory Foam Hybrid
Spa Sensations Serenity 8" Memory Foam
Comfort
7.6/10
7.5/10
Support
7.4/10
7/10
Cooling
7.5/10
6.8/10
Edge Support
6/10
5.5/10
Motion Isolation
7.9/10
8.5/10
Durability
6.8/10
6.8/10
Value
9.6/10
9.5/10
Quick Specs Comparison
Spec
Linenspa 10-Inch Gel Memory Foam Hybrid
Spa Sensations Serenity 8" Memory Foam
Price (Queen)
$229
$180
Type
Memory Foam Hybrid
Memory Foam
Firmness
5.5/10
5.5/10
Height
10 inches
8 inches
Trial
Amazon return window (typically 30 days)
90 days (Walmart)
Warranty
10 years (limited)
10 years
Shipping
Free with Prime
Free shipping
Key Advantages
Why Choose Linenspa 10-Inch Gel Memory Foam Hybrid
- Coils plus gel foam under $250 — the best specification-per-dollar on Amazon
- Sleeps cooler than same-price all-foam competitors thanks to the coil layer
- 10-year limited warranty on a budget mattress
Why Choose Spa Sensations Serenity 8" Memory Foam
- Incredibly affordable — $180 for a queen
- Over 27,000 reviews with 4.4-star average
- Green tea and charcoal infused for freshness