Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Vispring Diamond Majesty
Sleep Number Climate360
Comfort
9.9/10
9.5/10
Support
9.8/10
9.5/10
Cooling
9.8/10
9.8/10
Edge Support
9.6/10
8.5/10
Motion Isolation
9.7/10
9.6/10
Durability
9.9/10
9.2/10
Value
6.8/10
7/10
Quick Specs Comparison
Spec
Vispring Diamond Majesty
Sleep Number Climate360
Price (Queen)
$44,000
$6,999
Type
Handcrafted Triple-Layer Pocket Spring & Noble Fibers
Air Chamber Hybrid
Firmness
5.5/10
5/10
Height
11 inches
13 inches
Trial
Retailer-dependent; typically 60–100 nights
100 nights
Warranty
30-year guarantee
15 years
Shipping
White-glove delivery through authorized retailers
In-home delivery & setup
Key Advantages
Why Choose Vispring Diamond Majesty
- Three hand-nested spring layers — the most sophisticated spring architecture on the market
- Cashmere, silk, Shetland wool and horsetail comfort layers
- Exceptional surface softness without sacrificing deep support
Why Choose Sleep Number Climate360
- Active cooling AND heating — 30° range each side
- Most advanced consumer smart bed available
- Ultimate contouring support (13")