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