Specification and editorial comparison · lab measurements not available
Updated October 2026
Category
Beautyrest Black
Sleep Number i8 Smart Bed
Comfort
Not lab tested
Not lab tested
Support
Not lab tested
Not lab tested
Cooling
Not lab tested
Not lab tested
Edge Support
Not lab tested
Not lab tested
Motion Isolation
Not lab tested
Not lab tested
Durability
Not lab tested
Not lab tested
Value
Not lab tested
Not lab tested
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
Sleep Number i8 Smart Bed
Type
Hybrid
Air Chamber
Firmness
6.5/10
5/10
Height
14 inches
11 inches
Shipping
Free white glove delivery
In-home delivery
Model specifications are catalog reference details, not instrumented measurements. Confirm the exact configuration and current seller terms.
Key Advantages
Why Choose Beautyrest Black
- Exceptional build quality
- Advanced T3 Pocketed Coil system
- BlackICE cooling technology
Why Choose Sleep Number i8 Smart Bed
- Adjustable firmness 0-100
- Dual-zone for couples
- Advanced sleep tracking