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Beautyrest Harmony Lux Carbon Medium Pillow Top vs Purple The Purple Mattress

Detailed side-by-side comparison — pricing, specs, performance ratings, and our pick.

Beautyrest Harmony Lux Carbon Medium Pillow Top mattress
Beautyrest
Harmony Lux Carbon Medium Pillow Top
$1,149
$1,399 MSRP
Queen
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Purple The Purple Mattress mattress
Purple
The Purple Mattress
$1,399
$1,499 MSRP
Queen
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Feature
Beautyrest
Harmony Lux Carbon Medium Pillow Top
Purple
The Purple Mattress
Overview
Type
HybridGel Grid
Firmness
1 = softest, 10 = firmest
5.5 / 106.5 / 10
Queen Price
Current / sale price
$1,149$1,399
Trial Period
Return window
100 nights100 nights
Warranty
10 years10 years
Performance Ratings
Cooling
Hot sleepers
High9/10 cooling
Motion Isolation
Partners, light sleepers
Excellent8/10 motion isolation
Pressure Relief
Hip/shoulder pain
Good9/10 pressure relief
Edge Support
Sit/sleep near edge
Good7/10 edge support
Durability
Long-term performance
Good7/10 bounce
Compatibility & Features
Adjustable Base
Head/foot elevation
✓ Yes✓ Yes
Split King Support
Two Twin XL per couple
✓ Yes✓ Yes
Dual Comfort Zones
Different firmness per side
Smart Features
App, sensors, auto-adjust
Financing
AffirmAffirm
Materials & Safety
Certifications
Organic / non-toxic
CertiPUR-US, SEAQUALClean Air Gold, CertiPUR-US
Off-Gassing
New-foam smell concern
CertiPUR-US certified foamCertiPUR-US certified foam
Best For
Ideal sleeper profiles
  • Couples / light sleepers
  • Adjustable base users
  • Organic / non-toxic priority
  • Trial-period conscious shoppers
  • Split King setup
  • Adjustable base users
  • Organic / non-toxic priority
  • Trial-period conscious shoppers
Actions
Our Pick

Need Help Deciding?

For most sleepers, we recommend the Beautyrest Harmony Lux Carbon Medium Pillow Top over the Purple The Purple Mattress. It scores higher in motion isolation, pressure relief, edge support and delivers stronger overall value. The Purple The Purple Mattress is the better choice only if you have a strong preference for that brand's specific feel or design.

Still deciding? Take our 2-minute mattress quiz →

Beautyrest Harmony Lux Carbon Medium Pillow Top vs Purple The Purple Mattress: What Actually Differs

The Beautyrest Harmony Lux Carbon Medium Pillow Top is a hybrid build, while the Purple The Purple Mattress is a gel grid (pillow_top vs gel-grid-foam) — that single difference drives most of the cooling, motion, and feel decisions below. The Beautyrest Harmony Lux Carbon Medium Pillow Top stands 15.75" tall versus 9.25" for the Purple The Purple Mattress — a 6.5" gap that matters if you need deep-pocket sheets or are pairing with an adjustable base. The Purple The Purple Mattress is the firmer of the two at 6.5/10 (medium-firm), and the Beautyrest Harmony Lux Carbon Medium Pillow Top sits at 5.5/10 (medium) — a meaningful enough gap that sleeper position and weight should drive the choice. On a Queen, the Beautyrest Harmony Lux Carbon Medium Pillow Top runs $1,149 versus $1,399 for the Purple The Purple Mattress — roughly $250 (18%) less, which is enough to factor into the decision unless the pricier model wins clearly on the specs you care about.

Which Is Better For Your Sleep Style?

Side sleepers
Spec not available

Pressure-relief data not available for one or both mattresses — spec not available.

Back sleepers
Either works

Both fall in the medium-firm zone back sleepers prefer (5.5/10 vs 6.5/10) — either works.

Stomach sleepers
Purple The Purple Mattress

Firmer at 6.5/10 vs 5.5/10 — stomach sleepers need the extra support to keep the pelvis from sinking and arching the lower back.

Hot sleepers
Spec not available

Cooling rating not available for one or both mattresses — spec not available.

Heavier sleepers (230+ lb)
Spec not available

Durability and edge-support ratings not available — spec not available.

Lighter sleepers (under 150 lb)
Beautyrest Harmony Lux Carbon Medium Pillow Top

Softer at 5.5/10 vs 6.5/10 — lighter sleepers compress less, so they typically need the softer of two options to get proper contouring.

Couples / light sleepers
Spec not available

Motion-isolation data not available for one or both mattresses — spec not available.

Price Comparison (Queen)

MattressMSRPCurrentSale?
Beautyrest Harmony Lux Carbon Medium Pillow Top$1,399$1,149Save $250
Purple The Purple Mattress$1,499$1,399Save $100

The Beautyrest Harmony Lux Carbon Medium Pillow Top is the budget choice at $1,149$250 less than the Purple The Purple Mattress ($1,399). That's a 18% gap, which is worth weighing against the spec differences before deciding which delivers better value for your situation. Both are currently below MSRP.

Beautyrest Harmony Lux Carbon Medium Pillow Top

Strengths

  • Captured Beautyrest PDP copy published 40% more coils and more pressure-relieving foam than Harmony models
  • InfiniCool Lux adds two layers of active cooling
  • T2 Pocketed Coil system supports motion isolation
  • 100% USA assembled statement was published on the captured manufacturer page

Considerations

  • Beautyrest now redirects the product URL to the mattress collection page
  • Inventory should be treated as clearance/legacy rather than current core assortment
  • Split King and Split King Dual were not sold on the captured manufacturer PDP

Purple The Purple Mattress

Strengths

  • Most accessible routed Purple mattress in the catalog
  • Strong pressure relief for multiple sleep positions
  • Open GelFlex Grid design supports airflow
  • Ships free with a 100-night trial

Considerations

  • Lower profile than PurplePlus and hybrid models
  • All-foam support has less coil responsiveness
  • Purple's grid feel is distinctive

Who Should Buy Which?

Choose the Beautyrest Harmony Lux Carbon Medium Pillow Top if you…

  • Couples / light sleepers
  • Side sleepers / pressure relief
  • Sitting near the edge
  • Budget-conscious shoppers
Check Beautyrest Price ↗

Choose the Purple The Purple Mattress if you…

  • Shoppers seeking a different sleep experience
Check Purple Price ↗

Beautyrest Harmony Lux Carbon Medium Pillow Top

Purple The Purple Mattress

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