Side-by-side mattress testing · 144+ comparisons published
Updated May 2026
Category
Siena Memory Foam
Zinus Green Tea Memory Foam
Comfort
8.6/10
8/10
Support
8.4/10
7.8/10
Cooling
8.2/10
7.5/10
Edge Support
7.8/10
7/10
Motion Isolation
9/10
8.5/10
Durability
8.2/10
7.8/10
Value
9.6/10
9.8/10
Quick Specs Comparison
Spec
Siena Memory Foam
Zinus Green Tea Memory Foam
Price (Queen)
$399
$299
Type
Memory Foam
Memory Foam
Firmness
6/10
5.5/10
Height
10 inches
12 inches
Trial
180 nights
100 nights
Warranty
10 years
10 years
Shipping
Free shipping
Free shipping
Key Advantages
Why Choose Siena Memory Foam
- Under $500 for a Queen
- 180-night trial — best in budget category
- Genuine memory foam comfort
Why Choose Zinus Green Tea Memory Foam
- Incredible value under $300
- Green tea-infused for freshness
- Good pressure relief