Side-by-side mattress testing · 144+ comparisons published
Updated September 2026
Category
Beautyrest Black L-Class
Helix Dusk Elite
Comfort
8.5/10
Not lab tested
Support
9.6/10
Not lab tested
Cooling
9/10
Not lab tested
Edge Support
9.5/10
Not lab tested
Motion Isolation
8.5/10
Not lab tested
Durability
9.4/10
Not lab tested
Value
8.4/10
8.3/10
Blank cells mean that model has not completed our instrumented lab protocol, so we publish no measured score for it. We never estimate a number we have not recorded.
Quick Specs Comparison
Spec
Beautyrest Black L-Class
Helix Dusk Elite
Price (Queen)
$2,799
$3,278
Type
Hybrid
Hybrid
Firmness
8/10
6/10
Height
13.75 inches
15 inches
Trial
100 nights
120 nights
Warranty
10 years
Limited lifetime warranty
Shipping
Free white glove delivery
Free shipping; assembled in Arizona
Key Advantages
Why Choose Beautyrest Black L-Class
- Firmest model — ideal for back/stomach sleepers
- Highest support rating in the lineup (9.6)
- Excellent for heavier sleepers (250+ lbs)
Why Choose Helix Dusk Elite
- ErgoAlign Contour Layer and zoned coils aimed squarely at lumbar support
- Microcoil pressure-distribution layer between high-density foams
- Up to 1,000 extra-firm wrapped coils with full perimeter reinforcement