Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
SFERRA Nuvole Luxury Pillow Top
Beautyrest Black K-Class
Comfort
9.7/10
9.5/10
Support
9/10
8.8/10
Cooling
8.8/10
9.3/10
Edge Support
9/10
9.2/10
Motion Isolation
9.4/10
9/10
Durability
9.5/10
9.3/10
Value
7.5/10
8/10
Quick Specs Comparison
Spec
SFERRA Nuvole Luxury Pillow Top
Beautyrest Black K-Class
Price (Queen)
$5,462
$3,499
Type
Luxury Pillow Top
Hybrid (Pillow Top)
Firmness
4.5/10
4/10
Height
16 inches
16.5 inches
Trial
30 nights
100 nights
Warranty
10 years
10 years
Shipping
White glove delivery
Free white glove delivery
Key Advantages
Why Choose SFERRA Nuvole Luxury Pillow Top
- Incredibly plush pillow-top feel — true cloud comfort
- 16" profile is impressively substantial
- Natural Talalay latex in pillow top for responsive comfort
Why Choose Beautyrest Black K-Class
- Incredibly plush pillow-top comfort
- BlackICE 4.0 cooling on BOTH sides
- 16.5" height — most luxurious profile