Aptos Solar DNA-120-BF10 460W vs Aptos Solar DNA-144-BF26 440W
This is a close comparison between similar models in the same product line.
The Aptos Solar DNA-120-BF10 460W wins this comparison by a clear margin. It leads in efficiency (21.26% vs 20.21%) and matches or exceeds on warranty (30 vs 25 years). For most residential installations, the Aptos Solar DNA-120-BF10 460W is the stronger choice.
Key Differences
- • Aptos Solar DNA-120-BF10 460W is rated at 460W while Aptos Solar DNA-144-BF26 440W is rated at 440W, a 20W difference.
- • Aptos Solar DNA-120-BF10 460W achieves 21.26% efficiency vs 20.21% for the other, a 1.1 percentage point gap.
- • Aptos Solar DNA-120-BF10 460W comes with a 30-year product warranty vs 25 years for the other.
Specifications Breakdown
Module Efficiency
The Aptos Solar DNA-120-BF10 460W achieves 21.26% module efficiency compared to Aptos Solar DNA-144-BF26 440W's 20.21%, meaning Aptos Solar DNA-120-BF10 460W converts 1.1 percentage points more sunlight into electricity per square meter. In practical terms, the Aptos Solar DNA-120-BF10 460W produces 212.6 watts per square meter of panel area while the Aptos Solar DNA-144-BF26 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 Aptos Solar DNA-120-BF10 460W delivers 460W per panel versus 440W for the Aptos Solar DNA-144-BF26 440W, a 20W difference per module. To build an 8 kW residential system, you would need 18 Aptos Solar DNA-120-BF10 460W panels or 19 Aptos Solar DNA-144-BF26 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
Both panels share an identical temperature coefficient of -0.35%/°C, meaning they lose power at the same rate as cell temperature rises above the 25°C standard test baseline. At 65°C cell temperature, both retain 93.0% of rated power. Neither panel has a thermal performance advantage, which makes this specification a non-factor in the comparison.
Warranty Coverage
The Aptos Solar DNA-120-BF10 460W is backed by a 30-year product warranty and 30-year performance guarantee, while the Aptos Solar DNA-144-BF26 440W offers 25-year product and 30-year performance coverage. The Aptos Solar DNA-120-BF10 460W provides 5 additional years of defect protection, covering manufacturing issues, material failures, and premature performance loss. Based on their published degradation rates (1% first year then 0.54%/year for Aptos Solar DNA-120-BF10 460W; 1% first year then 0.54%/year for Aptos Solar DNA-144-BF26 440W), after 25 years the Aptos Solar DNA-120-BF10 460W should retain approximately 86.0% of original output versus 86.0% for the Aptos Solar DNA-144-BF26 440W. The end-of-life output levels are closely matched.
Physical Dimensions & Weight
The Aptos Solar DNA-120-BF10 460W measures 1908×1134×35mm and weighs 24.5 kg, while the Aptos Solar DNA-144-BF26 440W measures 2095×1039×40mm at 24.1 kg. 2.16 m² of panel area for the Aptos Solar DNA-120-BF10 460W versus 2.18 m² for the Aptos Solar DNA-144-BF26 440W. Their weights are closely matched, so neither panel imposes a significantly different structural load on the mounting system. Similar footprints mean both panels fit comparably on standard residential rooftop configurations.
Specification Comparison
| Specification | Aptos Solar DNA-120-BF10 460W | Aptos Solar DNA-144-BF26 440W |
|---|---|---|
| Power | 460W | 440W |
| Efficiency | 21.26% | 20.21% |
| Power Density | 19.8 W/sq ft | 18.8 W/sq ft |
| Cell Type | PERC Mono Bifacial | PERC Mono Bifacial |
| Bifacial | Yes | Yes |
| Weight | 24.5 kg | 24.1 kg |
| Temp Coefficient | -0.35%/°C | -0.35%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 4000 Pa | 4000 Pa |
| Product Warranty | 30 years | 25 years |
| Performance Warranty | 30 years | 30 years |
| Degradation (Year 1) | 1% | 1% |
| Annual Degradation | 0.54% | 0.54% |
| Country | Vietnam | Vietnam |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: Aptos Solar DNA-120-BF10 460WThe Aptos Solar DNA-120-BF10 460W achieves 21.26% 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: TieBoth panels share a temperature coefficient of -0.35%/°C — identical heat tolerance.
3. Durability & Warranty
Winner: Aptos Solar DNA-120-BF10 460WAptos Solar DNA-120-BF10 460W leads with a 30-year product warranty versus 25 years. After 25 years, expect 86.0% vs 86.0% of original output for Aptos Solar DNA-120-BF10 460W and Aptos Solar DNA-144-BF26 440W respectively.
4. Power Output
Winner: Aptos Solar DNA-120-BF10 460WThe Aptos Solar DNA-120-BF10 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 Bifacial cell technology. No technology advantage for either product.
Aptos Solar DNA-120-BF10 460W
Aptos Solar DNA-120-BF10 is a 460W bifacial panel with up to 30% rear-side energy gain, featuring 120 half-cut cells and DNA patented technology for commercial applications.
Pros
- + Bifacial design with up to 30% additional energy from rear side
- + 460W high output for commercial systems
- + 30-year dual warranty
- + DNA technology improves heat tolerance
Cons
- - Bifacial gain depends on mounting and surface reflectivity
- - Larger format panel
- - Slightly heavier than monofacial variant
Aptos Solar DNA-144-BF26 440W
Aptos Solar DNA-144-BF26 is a 440W bifacial all-black panel with 144 half-cut cells and up to 30% rear-side energy gain for commercial applications.
Pros
- + Bifacial design with up to 30% additional energy
- + 440W high output with 144 half-cut cells
- + All-black aesthetic
- + 30-year performance warranty
Cons
- - Bifacial gain requires optimized mounting
- - Larger panel dimensions
- - 20.21% efficiency is moderate
Choose Aptos Solar DNA-120-BF10 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
- ✓ Long-term warranty protection is a top priority and you plan to stay in your home for 30+ years
- ✓ Commercial ground-mount and carport installations where bifacial rear-side generation can maximize energy yield.
Choose Aptos Solar DNA-144-BF26 440W If...
- ✓ Commercial ground-mount and tracker systems seeking bifacial energy gain with an all-black panel design.
Our Recommendation
We recommend the Aptos Solar DNA-120-BF10 460W for most buyers in this comparison. It wins 3 of 5 key dimensions and offers a clear advantage in the metrics that matter most for a solar panel purchase. The Aptos Solar DNA-144-BF26 440W remains a good product, but the Aptos Solar DNA-120-BF10 460W delivers better overall value for the majority of installations.
Frequently Asked Questions
Which is better, Aptos Solar DNA-120-BF10 460W or Aptos Solar DNA-144-BF26 440W?
The Aptos Solar DNA-120-BF10 460W wins this comparison by a clear margin. It leads in efficiency (21.26% vs 20.21%) and matches or exceeds on warranty (30 vs 25 years). For most residential installations, the Aptos Solar DNA-120-BF10 460W is the stronger choice.
Which panel is more efficient, Aptos Solar DNA-120-BF10 460W or Aptos Solar DNA-144-BF26 440W?
The Aptos Solar DNA-120-BF10 460W at 21.26% 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, Aptos Solar DNA-120-BF10 460W or Aptos Solar DNA-144-BF26 440W?
The Aptos Solar DNA-120-BF10 460W comes with a 30-year product warranty and 30-year performance guarantee. The Aptos Solar DNA-144-BF26 440W offers 25-year product and 30-year performance warranties. Aptos Solar DNA-120-BF10 460W provides 5 additional years of product coverage.
Which panel performs better in hot weather?
The Aptos Solar DNA-120-BF10 460W has a temperature coefficient of -0.35%/°C and the Aptos Solar DNA-144-BF26 440W is -0.35%/°C. Both handle heat equally. A lower (less negative) temperature coefficient is better.
How many Aptos Solar DNA-120-BF10 460W vs Aptos Solar DNA-144-BF26 440W panels do I need for an 8 kW system?
For an 8 kW system: you need 18 Aptos Solar DNA-120-BF10 460W panels (460W each) or 19 Aptos Solar DNA-144-BF26 440W panels (440W each). The Aptos Solar DNA-120-BF10 460W requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026