Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Purple Harmony
Casper Original Pillow
Comfort
8.8/10
8.5/10
Support
9/10
8.2/10
Cooling
9.2/10
8.3/10
Adjustability
5/10
6/10
Durability
8.8/10
7.5/10
Value
7/10
7.5/10
Quick Specs Comparison
Spec
Purple Harmony
Casper Original Pillow
Price
$159
$65
Fill
GelFlex Grid + Talalay Latex
Polyester/microfiber blend
Cooling
Grid airflow channels
Percale cotton cover
Heights
Low (6.5") / Mid (7.5")
Standard only
Trial
100 nights
30 nights
Warranty
1 year
1 year
Key Advantages
Why Choose Purple Harmony
- Best-in-class cooling from GelFlex Grid
- Talalay latex core provides excellent support
- Two height options for different body types
Why Choose Casper Original Pillow
- $94 cheaper — a fraction of the price
- Lighter, more traditional pillow feel
- Easier to travel with