Beautyrest Black K-Class Medium Pillow Top vs Beautyrest Black X-Class Medium Pillow Top
Detailed side-by-side comparison — pricing, specs, performance ratings, and our pick.
Beautyrest
Black K-Class Medium Pillow Top
$2,599
Queen
Beautyrest
Black X-Class Medium Pillow Top
$3,999
Queen
Helix
Dusk Luxe
$1,899
$2,374 MSRP
Queen
| Feature | Beautyrest Black K-Class Medium Pillow Top | Beautyrest Black X-Class Medium Pillow Top | Helix Dusk Luxe |
|---|---|---|---|
| Overview | |||
Type | Hybrid | Hybrid | Hybrid |
Firmness 1 = softest, 10 = firmest | 5 / 10 | 5 / 10 | 6 / 10 |
Queen Price Current / sale price | $2,599 | $3,999 | $1,899 |
Trial Period Return window | 30 nights | 30 nights | 100 nights |
Warranty | 10 years | 10 years | Lifetime |
| Performance Ratings | |||
Cooling Hot sleepers | Excellent | Excellent | High |
Motion Isolation Partners, light sleepers | Excellent | Excellent | Excellent |
Pressure Relief Hip/shoulder pain | Excellent | Excellent | Excellent |
Edge Support Sit/sleep near edge | Excellent | Excellent | Excellent |
Durability Long-term performance | Excellent | Excellent | Excellent |
| Compatibility & Features | |||
Adjustable Base Head/foot elevation | ✓ Yes | ✓ Yes | ✓ Yes |
Split King Support Two Twin XL per couple | — | — | ✓ Yes |
Dual Comfort Zones Different firmness per side | — | — | — |
Smart Features App, sensors, auto-adjust | — | — | — |
Financing | Available | Available | Affirm |
| Materials & Safety | |||
Certifications Organic / non-toxic | None listed | None listed | CertiPUR-US, OEKO-TEX |
Off-Gassing New-foam smell concern | — | — | CertiPUR-US certified foam |
| Best For | |||
Ideal sleeper profiles |
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|
|
| Actions | |||
Beautyrest Black K-Class Medium Pillow Top
Strengths
- ✓Thicker BlackICE cooling system vs C-Class
- ✓Higher coil count — more targeted pressure relief
- ✓Substantial pillow top with advanced contouring foam
Considerations
- —A meaningful step up in price — reflects additional materials and specifications in this configuration
- —Mattress Firm exclusive — no DTC option
Beautyrest Black X-Class Medium Pillow Top
Strengths
- ✓Highest coil count and thickest BlackICE cooling in the Beautyrest lineup
- ✓16" height — true luxury-tier mattress construction
- ✓Best pressure relief and cooling of any Beautyrest model
Considerations
- —Among the most premium options in this category — reflects premium materials and construction above mainstream mattress standards
- —Mattress Firm exclusive — no 365-night trial available
Helix Dusk Luxe
Strengths
- ✓Best-in-class motion isolation for hybrid class
- ✓TENCEL cover standard
- ✓Zoned lumbar memory foam
- ✓Optional GlacioTex Cooling Cover
Considerations
- —GlacioTex cooling is add-on cost
- —May not fit all budgets — premium materials and construction above mainstream mattress standards
- —Firmer than most couples prefer at 6/10
Who Should Buy Which?
Choose the Beautyrest Black K-Class Medium Pillow Top if you…
- →Budget-conscious shoppers
Choose the Beautyrest Black X-Class Medium Pillow Top if you…
- →Shoppers seeking a different sleep experience
Beautyrest Black K-Class Medium Pillow Top
Beautyrest Black X-Class Medium Pillow Top
Helix Dusk Luxe
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