Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
King Koil Natural
Beautyrest Black
Comfort
8.7/10
9.1/10
Support
8.6/10
9.3/10
Cooling
8.8/10
9/10
Edge Support
8.3/10
9.4/10
Motion Isolation
8.2/10
8.7/10
Durability
8.9/10
9.2/10
Value
8/10
8.4/10
Quick Specs Comparison
Spec
King Koil Natural
Beautyrest Black
Price (Queen)
$2,349
$2,199
Type
Natural Hybrid
Hybrid
Firmness
6/10
6.5/10
Height
13 inches
14 inches
Trial
120 nights
100 nights
Warranty
10 years
10 years
Shipping
Free shipping through most dealers
Free white glove delivery
Key Advantages
Why Choose King Koil Natural
- Natural fibers and latex rather than all petroleum-based foam
- Very good breathability — wool and cotton help wick moisture
- Strong pressure relief without a sinking feel
Why Choose Beautyrest Black
- Exceptional build quality
- Advanced T3 Pocketed Coil system
- BlackICE cooling technology