Astronergy ASTRO N5 460W vs Aptos Solar DNA-144-MF26 440W
The Aptos Solar DNA-144-MF26 440W wins this comparison by a decisive margin. It offers better long-term durability with 25-year warranty. For most residential installations, the Aptos Solar DNA-144-MF26 440W is the stronger choice.
Key Differences
- • Astronergy ASTRO N5 460W is rated at 460W while Aptos Solar DNA-144-MF26 440W is rated at 440W, a 20W difference.
- • Astronergy ASTRO N5 460W achieves 21.3% efficiency vs 20.21% for the other, a 1.1 percentage point gap.
- • Aptos Solar DNA-144-MF26 440W comes with a 25-year product warranty vs 12 years for the other.
- • Astronergy ASTRO N5 460W has a superior temperature coefficient of -0.34%/°C vs -0.35%/°C, retaining more power in hot climates.
Specifications Breakdown
Module Efficiency
The Astronergy ASTRO N5 460W achieves 21.3% module efficiency compared to Aptos Solar DNA-144-MF26 440W's 20.21%, meaning Astronergy ASTRO N5 460W converts 1.1 percentage points more sunlight into electricity per square meter. In practical terms, the Astronergy ASTRO N5 460W produces 230.2 watts per square meter of panel area while the Aptos Solar DNA-144-MF26 440W produces 202.1 W/m². For rooftop installations where space is limited, this efficiency gap determines how many kilowatts you can fit on your available roof area. Over a 25-year system life, even a small efficiency advantage compounds into meaningful additional energy production.
Power Output
The Astronergy ASTRO N5 460W delivers 460W per panel versus 440W for the Aptos Solar DNA-144-MF26 440W, a 20W difference per module. To build an 8 kW residential system, you would need 18 Astronergy ASTRO N5 460W panels or 19 Aptos Solar DNA-144-MF26 440W panels. Choosing the higher-wattage option saves 1 panel, reducing total racking hardware, wiring, and installation labor costs. Higher wattage per panel is particularly valuable for commercial-scale installations where panel count directly impacts balance-of-system costs.
Temperature Coefficient
The Astronergy ASTRO N5 460W has a temperature coefficient of -0.34%/°C versus -0.35%/°C for the Aptos Solar DNA-144-MF26 440W. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the Astronergy ASTRO N5 460W retains 93.2% of its rated power while the other retains 93.0%. While the numerical gap is modest, it still accumulates over decades of summer production, especially in southern latitudes with prolonged peak heat hours.
Warranty Coverage
The Astronergy ASTRO N5 460W is backed by a 12-year product warranty and 25-year performance guarantee, while the Aptos Solar DNA-144-MF26 440W offers 25-year product and 30-year performance coverage. The Aptos Solar DNA-144-MF26 440W provides 13 additional years of defect protection, covering manufacturing issues, material failures, and premature performance loss. Based on their published degradation rates (1.5% first year then 0.5%/year for Astronergy ASTRO N5 460W; 1% first year then 0.54%/year for Aptos Solar DNA-144-MF26 440W), after 25 years the Astronergy ASTRO N5 460W should retain approximately 86.5% of original output versus 86.0% for the Aptos Solar DNA-144-MF26 440W. The end-of-life output levels are closely matched.
Physical Dimensions & Weight
The Astronergy ASTRO N5 460W measures 1762×1134×30mm and weighs 23 kg, while the Aptos Solar DNA-144-MF26 440W measures 2095×1039×40mm at 24.1 kg. 2.00 m² of panel area for the Astronergy ASTRO N5 460W versus 2.18 m² for the Aptos Solar DNA-144-MF26 440W. Their weights are closely matched, so neither panel imposes a significantly different structural load on the mounting system. The more compact Astronergy ASTRO N5 460W may be easier to fit on irregularly shaped or space-limited rooftops.
Specification Comparison
| Specification | Astronergy ASTRO N5 460W | Aptos Solar DNA-144-MF26 440W |
|---|---|---|
| Power | 460W | 440W |
| Efficiency | 21.3% | 20.21% |
| Power Density | 21.4 W/sq ft | 18.8 W/sq ft |
| Cell Type | PERC Mono | PERC Mono |
| Bifacial | Yes | No |
| Weight | 23 kg | 24.1 kg |
| Temp Coefficient | -0.34%/°C | -0.35%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 2400 Pa | 4000 Pa |
| Product Warranty | 12 years | 25 years |
| Performance Warranty | 25 years | 30 years |
| Degradation (Year 1) | 1.5% | 1% |
| Annual Degradation | 0.5% | 0.54% |
| Country | China | Vietnam |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: Astronergy ASTRO N5 460WThe Astronergy ASTRO N5 460W achieves 21.3% efficiency versus 20.21% — a 1.1 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 0.6 kW more total system capacity, or 3 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: Astronergy ASTRO N5 460WThe Astronergy ASTRO N5 460W has a better temperature coefficient of -0.34%/°C versus -0.35%/°C. On a 45°C summer day (20°C above STC), the winner retains 93.2% of rated power versus 93.0%. The difference is modest but accumulates over 25 years of summer production.
3. Durability & Warranty
Winner: Aptos Solar DNA-144-MF26 440WAptos Solar DNA-144-MF26 440W leads with a 25-year product warranty versus 12 years. Astronergy ASTRO N5 460W degrades more slowly at 0.5% per year versus 0.54%. After 25 years, expect 86.5% vs 86.0% of original output for Astronergy ASTRO N5 460W and Aptos Solar DNA-144-MF26 440W respectively.
4. Power Output
Winner: Astronergy ASTRO N5 460WThe Astronergy ASTRO N5 460W delivers 460W versus 440W per panel — 20W more. For an 8 kW system, you need 18 panels with the higher-wattage option versus 19 panels, saving 1 panels and the associated racking and labor costs.
5. Cell Technology
Winner: TieBoth panels use PERC Mono cell technology. No technology advantage for either product.
Astronergy ASTRO N5 460W
The ASTRO N5 is a mid-range PERC panel delivering 460W for residential and commercial installations at a value price point.
Pros
- + Good value per watt
- + Mid-size format
- + CHINT Group backing
- + Widely available globally
Cons
- - Older PERC technology
- - Standard efficiency
- - Less known in US
Aptos Solar DNA-144-MF26 440W
Aptos Solar DNA-144-MF26 is a 440W all-black monofacial panel with 144 half-cut cells, designed for commercial and large residential systems.
Pros
- + 440W output in a full-size 144-cell format
- + All-black aesthetic design
- + 30-year performance warranty
- + Competitive pricing
Cons
- - Larger dimensions require more roof space
- - 20.21% efficiency is moderate
- - No bifacial capability
Choose Astronergy ASTRO N5 460W If...
- ✓ Your roof space is limited and you need maximum power per panel
- ✓ You want fewer panels to reach your target system size, reducing racking and labor costs
- ✓ You live in a hot climate (Arizona, Texas, Florida) where heat performance matters
- ✓ You want maximum output retention over the system's 25-30 year lifespan
- ✓ Value-oriented projects seeking competitive PERC pricing from a global manufacturer.
Choose Aptos Solar DNA-144-MF26 440W If...
- ✓ Long-term warranty protection is a top priority and you plan to stay in your home for 25+ years
- ✓ Commercial installations and large residential systems needing high wattage with clean all-black aesthetics.
Our Recommendation
The Aptos Solar DNA-144-MF26 440W is the decisive winner in this solar panel comparison, outperforming the Astronergy ASTRO N5 460W in 1 of 5 dimensions. Unless you have a specific requirement that the Astronergy ASTRO N5 460W uniquely addresses, the Aptos Solar DNA-144-MF26 440W is the stronger choice for virtually every installation scenario.
Frequently Asked Questions
Which is better, Astronergy ASTRO N5 460W or Aptos Solar DNA-144-MF26 440W?
The Aptos Solar DNA-144-MF26 440W wins this comparison by a decisive margin. It offers better long-term durability with 25-year warranty. For most residential installations, the Aptos Solar DNA-144-MF26 440W is the stronger choice.
Which panel is more efficient, Astronergy ASTRO N5 460W or Aptos Solar DNA-144-MF26 440W?
The Astronergy ASTRO N5 460W at 21.3% module efficiency. Higher efficiency means more watts per square foot of roof space, which is critical for space-constrained installations. The difference of 1.1 percentage points translates to approximately 20W per panel under standard test conditions.
Which has a better warranty, Astronergy ASTRO N5 460W or Aptos Solar DNA-144-MF26 440W?
The Astronergy ASTRO N5 460W comes with a 12-year product warranty and 25-year performance guarantee. The Aptos Solar DNA-144-MF26 440W offers 25-year product and 30-year performance warranties. Aptos Solar DNA-144-MF26 440W provides 13 additional years of product coverage.
Which panel performs better in hot weather?
The Astronergy ASTRO N5 460W has a temperature coefficient of -0.34%/°C and the Aptos Solar DNA-144-MF26 440W is -0.35%/°C. Astronergy ASTRO N5 460W retains more power in heat — important in states like Arizona, Texas, and Florida. A lower (less negative) temperature coefficient is better.
How many Astronergy ASTRO N5 460W vs Aptos Solar DNA-144-MF26 440W panels do I need for an 8 kW system?
For an 8 kW system: you need 18 Astronergy ASTRO N5 460W panels (460W each) or 19 Aptos Solar DNA-144-MF26 440W panels (440W each). The Astronergy ASTRO N5 460W requires fewer panels, saving on racking hardware and installation labor.
Related Resources
Last updated: February 2026