Side-by-side mattress testing · 144+ comparisons published
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
Manufacturer Specs Compared
Figures each brand publishes on its own product page. Values a brand does not publish show as "Not published".
| Spec | Casper | Helix |
|---|---|---|
| Profile height | 11" | 13.5" |
| Layers published | 3 | 6 |
| Cover material | Not published | TENCEL (eucalyptus-derived) cover; optional GlacioTex cooling cover |
| Coil count | Not published | Up to 1,000 individually wrapped coils |
| Coil gauge | Not published | 13.5 gauge centre, 14.75 gauge head/foot, 15.5 gauge edge |
| Zoning | Not published | Reinforced coils under the hips and around the full perimeter |
| Foam density | Not published | SupremeSupport 4.0 memory foam at 4 lb density |
| Fire barrier | Not published | Not published |
| Certifications | Not published | CertiPUR-US |
| Made in | Not published | Assembled in Arizona, USA |
| Queen dimensions | 60" W x 80" L x 11" H | 60" W x 80" L x 13.5" H |
| Queen weight | 76 lbs | 115 lbs |
Sources: Casper official page · Helix official page
Key Advantages
Why Choose Casper
- Simpler shopping — no quiz or decision fatigue
- Available to test in physical stores
- Good all-around medium feel for most sleepers
Why Choose Helix
- Sleep quiz matches you to the ideal model
- Hybrid coil support + foam comfort
- 14+ models cover every sleep position & body type
In-Depth Analysis
Casper takes a one-size-fits-most approach with the Original, while Helix offers 14 different mattress models personalized via their sleep quiz. This fundamental difference in philosophy makes the comparison less about specific mattresses and more about whether you want simplicity or customization.
Helix's sleep quiz considers body type, sleep position, firmness preference, and temperature sensitivity to recommend your ideal model. In our experience, the recommendations are genuinely useful — our quiz results consistently matched our testing preferences.
Casper's advantage is simplicity and accessibility. Walk into a store, lie down, decide. No quiz, no decision paralysis, no wondering if you picked the right model. For people who find too many options overwhelming, Casper's single-model approach is refreshing.
From a construction standpoint, Helix offers hybrid designs with coils, while Casper's Original is all-foam. This gives Helix inherent advantages in edge support, cooling, and bounce. The Helix Midnight Luxe specifically outperforms the Casper Original in our side-by-side testing.
Our Verdict
Helix wins for personalization and hybrid construction. Casper wins for simplicity and in-store testing. If you're willing to take a quiz and trust the recommendation, Helix typically delivers a better-matched mattress.
Buying Advice
Choose Helix if you want a mattress personalized to your specific body and sleep style
Choose Casper if you prefer to test in-store and want a simple, no-decision-needed purchase
Helix's hybrid construction provides better edge support and cooling than Casper's all-foam design