Side-by-side mattress testing · 144+ comparisons published
Updated September 2026
Category
Helix Dusk Elite
Beautyrest Black C-Class
Comfort
Not lab tested
9/10
Support
Not lab tested
9.2/10
Cooling
Not lab tested
9.4/10
Edge Support
Not lab tested
9.3/10
Motion Isolation
Not lab tested
8.9/10
Durability
Not lab tested
9.2/10
Value
8.3/10
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
Helix Dusk Elite
Beautyrest Black C-Class
Price (Queen)
$3,278
$2,999
Type
Hybrid
Hybrid
Firmness
6/10
6/10
Height
15 inches
14.5 inches
Trial
120 nights
100 nights
Warranty
Limited lifetime warranty
10 years
Shipping
Free shipping; assembled in Arizona
Free white glove delivery
Key Advantages
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
Why Choose Beautyrest Black C-Class
- Best cooling in the Black lineup
- Versatile medium-firm feel suits most sleepers
- BlackICE 4.0 + RightTemp foam combo