Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Casper Dream Hybrid
Serta iSeries Hybrid
Comfort
9/10
8.8/10
Support
9.1/10
9/10
Cooling
8.7/10
8.7/10
Edge Support
8.8/10
9/10
Motion Isolation
8.5/10
8.6/10
Durability
9/10
8.9/10
Value
8.9/10
8.5/10
Quick Specs Comparison
Spec
Casper Dream Hybrid
Serta iSeries Hybrid
Price (Queen)
$1,397
$1,399
Type
Hybrid
Hybrid
Firmness
5.5/10
6/10
Height
12 inches
12 inches
Trial
100 nights
120 nights
Warranty
10 years
10 years
Shipping
Free shipping & returns
Free shipping
Key Advantages
Why Choose Casper Dream Hybrid
- True medium feel works for most sleep positions
- Coil unit adds real edge support
- Sleeps cooler than any Casper foam model
Why Choose Serta iSeries Hybrid
- Trusted 90+ year brand
- Widely available in stores
- Good balance of comfort and support