Side-by-side mattress testing · 144+ comparisons published
Updated September 2026
Category
Serta iSeries NXG 1500 Hybrid Firm
Titan Plus Elite
Comfort
Not lab tested
Not lab tested
Support
Not lab tested
Not lab tested
Cooling
Not lab tested
Not lab tested
Edge Support
Not lab tested
Not lab tested
Motion Isolation
Not lab tested
Not lab tested
Durability
Not lab tested
Not lab tested
Value
8.3/10
8.9/10
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
Spec
Serta iSeries NXG 1500 Hybrid Firm
Titan Plus Elite
Price (Queen)
$1,899
$1,874
Type
Hybrid
Hybrid
Firmness
7.5/10
6/10
Height
Varies by comfort level
14 inches
Trial
120 nights
120 nights
Warranty
10 years
Limited lifetime warranty
Shipping
Free shipping
Free shipping; made to order in Arizona
Key Advantages
Why Choose Serta iSeries NXG 1500 Hybrid Firm
- Firm, supportive feel that suits back and stomach sleepers
- CoolFeel cover plus carbon fiber foam for heat management
- Q4 zoned coil unit distributes weight evenly
Why Choose Titan Plus Elite
- Dual-coil build: up to 2,756 micro-coils above an 8-inch TitanCore unit of up to 900 encased coils
- Titan states the mattress is engineered to support over 1,200 pounds
- GlacioTex+ Cooling Cloud pillow top is fitted as standard on this model