Casper The One vs Tuft & Needle Original Mattress II
Detailed side-by-side comparison — pricing, specs, performance ratings, and our pick.
| Feature | Casper The One | Tuft & Needle Original Mattress II |
|---|---|---|
| Overview | ||
Type | Memory Foam | Memory Foam |
Firmness Published feel or standardized wording | Medium-Firm | Firm |
Queen Price Current / sale price | Check retailer | Check retailer |
Trial Period Terms from the linked seller | ✓ 100 nights at Casper; returns after 30 nights; free eligible return | ✓ 100 nights at Tuft & Needle; full refund; free return pickup |
Warranty | 10 years | 10 years |
| Performance Ratings | ||
Cooling Hot sleepers | Average | Good |
Motion Isolation Partners, light sleepers | Excellent | Good |
Pressure Relief Shoulder and hip cushioning | Good | Good |
Edge Support Sit/sleep near edge | Fair | Average |
Durability Long-term performance | Good | Good |
| Compatibility & Features | ||
Adjustable Base Head/foot elevation | ✓ Yes | ✓ Yes |
Split King Support Two Twin XL per couple | ✓ Yes | — |
Financing | Affirm | Shop Pay Installments |
| Materials & Certification Scope | ||
Listed certifications / claims Check model and material scope | None listed |
|
Certificate limitations Not an odor or safety guarantee | Confirm the certificate for the exact model and covered materials. A material certificate does not certify every part of a mattress or guarantee no odor. | Confirm the certificate for the exact model and covered materials. A material certificate does not certify every part of a mattress or guarantee no odor. |
| Best For | ||
Ideal sleeper profiles |
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| Actions | Full ReviewCheck price at Tuft & Needle → Buy with confidence 100-night direct-purchase comfort trial at Tuft & Needle | |
Need Help Deciding?
For most sleepers, we recommend the Tuft & Needle Original Mattress II over the Casper The One. Our catalog rates it higher for cooling, edge support; check current linked-seller prices and terms before deciding on value. The Casper The One is the better choice only if you have a strong preference for that brand's specific feel or design.
Casper The One vs Tuft & Needle Original Mattress II: What Actually Differs
Both the Casper The One and Tuft & Needle Original Mattress II are memory foam mattresses, so the real differences come down to firmness tuning, performance ratings, and price rather than construction type. The Tuft & Needle Original Mattress II stands 12" tall versus 11" for the Casper The One — a 1.0" gap that matters if you need deep-pocket sheets or are pairing with an adjustable base. The Tuft & Needle Original Mattress II is the firmer of the two at 8/10 (firm), and the Casper The One sits at 6.5/10 (medium-firm) — a meaningful enough gap that sleeper position and weight should drive the choice. The single largest performance gap is in motion isolation: the Casper The One rates noticeably higher than the Tuft & Needle Original Mattress II, which is the deciding factor if that dimension is high on your list.
Which Is Better For Your Sleep Style?
Both rate the same for pressure relief — choose on firmness instead (side sleepers usually prefer the softer of the two: Casper The One at 6.5/10).
Medium-Firm includes the option closest to a balanced medium feel for back sleepers (vs Firm).
Firm includes the firmer published option (vs Medium-Firm), which may better suit shoppers who prefer more surface support.
Stronger cooling rating, which matters most for sleepers who run hot or live in warm climates.
stronger perimeter / edge support — the two specs heavier sleepers should weigh most.
Medium-Firm includes the softer published option (vs Firm), which can make contouring easier for lighter sleepers.
Higher motion-isolation rating, which means less disturbance when a partner moves or gets out of bed.
Casper The One
Strengths
- ✓Three-layer foam build with Casper Core support
- ✓Strong motion isolation for an all-foam bed
- ✓Split King available
Considerations
- —No coil edge feel
- —No active Snow cooling package
- —Medium-firm feel is less plush than Cloud One
Tuft & Needle Original Mattress II
Strengths
- ✓Firm feel aimed at back and stomach sleepers
- ✓Cooling cover plus graphite-and-gel Adaptive foam
- ✓Six standard sizes from Twin through California King
- ✓Fiberglass-free and CertiPUR-US certified
Considerations
- —Firm feel may be less cushioned for some side sleepers
- —All-foam edge support is less reinforced than the hybrid models
- —Shipping fees apply to Hawaii and Alaska
Who Should Buy Which?
The Casper The One is the better fit when:
- →You share the bed or wake easily when your partner moves.
- →You prefer a softer, more cushioned feel.
The Tuft & Needle Original Mattress II is the better fit when:
- →You sleep hot and want the stronger cooling rating.
- →You sit or sleep near the edge and want the stronger perimeter rating.
- →You prefer firmer surface support.

