Aptos Solar DNA-144-BF26 440W vs Hyundai HiE-S485VG
The Hyundai HiE-S485VG wins this comparison by a decisive margin. It leads in efficiency (22% vs 20.21%) and matches or exceeds on warranty (25 vs 25 years). For most residential installations, the Hyundai HiE-S485VG is the stronger choice.
Key Differences
- • Aptos Solar DNA-144-BF26 440W is rated at 440W while Hyundai HiE-S485VG is rated at 485W, a 45W difference.
- • Hyundai HiE-S485VG achieves 22% efficiency vs 20.21% for the other, a 1.8 percentage point gap.
- • Both carry matching 25-year product warranties.
- • Hyundai HiE-S485VG has a superior temperature coefficient of -0.3%/°C vs -0.35%/°C, retaining more power in hot climates.
- • Aptos Solar DNA-144-BF26 440W uses PERC Mono Bifacial cells while Hyundai HiE-S485VG uses TOPCon N-type cells, representing different technology generations.
Specifications Breakdown
Module Efficiency
The Hyundai HiE-S485VG achieves 22% module efficiency compared to Aptos Solar DNA-144-BF26 440W's 20.21%, meaning Hyundai HiE-S485VG converts 1.8 percentage points more sunlight into electricity per square meter. In practical terms, the Aptos Solar DNA-144-BF26 440W produces 202.1 watts per square meter of panel area while the Hyundai HiE-S485VG produces 222.9 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 Hyundai HiE-S485VG delivers 485W per panel versus 440W for the Aptos Solar DNA-144-BF26 440W, a 45W difference per module. To build an 8 kW residential system, you would need 19 Aptos Solar DNA-144-BF26 440W panels or 17 Hyundai HiE-S485VG panels. Choosing the higher-wattage option saves 2 panels, 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 Hyundai HiE-S485VG has a temperature coefficient of -0.3%/°C versus -0.35%/°C for the Aptos Solar DNA-144-BF26 440W. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the Hyundai HiE-S485VG retains 94.0% 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 Aptos Solar DNA-144-BF26 440W is backed by a 25-year product warranty and 30-year performance guarantee, while the Hyundai HiE-S485VG offers 25-year product and 25-year performance coverage. Both offer identical product warranty duration. Based on their published degradation rates (1% first year then 0.54%/year for Aptos Solar DNA-144-BF26 440W; 1% first year then 0.4%/year for Hyundai HiE-S485VG), after 25 years the Aptos Solar DNA-144-BF26 440W should retain approximately 86.0% of original output versus 89.4% for the Hyundai HiE-S485VG. This 3.4 percentage point gap in end-of-life output meaningfully impacts lifetime energy economics.
Physical Dimensions & Weight
The Aptos Solar DNA-144-BF26 440W measures 2095×1039×40mm and weighs 24.1 kg, while the Hyundai HiE-S485VG measures 2094×1039×35mm at 24.5 kg. 2.18 m² of panel area for the Aptos Solar DNA-144-BF26 440W versus 2.18 m² for the Hyundai HiE-S485VG. 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-144-BF26 440W | Hyundai HiE-S485VG |
|---|---|---|
| Power | 440W | 485W |
| Efficiency | 20.21% | 22% |
| Power Density | 18.8 W/sq ft | 20.7 W/sq ft |
| Cell Type | PERC Mono Bifacial | TOPCon N-type |
| Bifacial | Yes | No |
| Weight | 24.1 kg | 24.5 kg |
| Temp Coefficient | -0.35%/°C | -0.3%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 4000 Pa | 2400 Pa |
| Product Warranty | 25 years | 25 years |
| Performance Warranty | 30 years | 25 years |
| Degradation (Year 1) | 1% | 1% |
| Annual Degradation | 0.54% | 0.4% |
| Country | Vietnam | South Korea |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: Hyundai HiE-S485VGThe Hyundai HiE-S485VG achieves 22% efficiency versus 20.21% — a 1.8 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 1.4 kW more total system capacity, or 7 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: Hyundai HiE-S485VGThe Hyundai HiE-S485VG has a better temperature coefficient of -0.3%/°C versus -0.35%/°C. On a 45°C summer day (20°C above STC), the winner retains 94.0% of rated power versus 93.0%. The difference is modest but accumulates over 25 years of summer production.
3. Durability & Warranty
Winner: Hyundai HiE-S485VGHyundai HiE-S485VG degrades more slowly at 0.4% per year versus 0.54%. After 25 years, expect 86.0% vs 89.4% of original output for Aptos Solar DNA-144-BF26 440W and Hyundai HiE-S485VG respectively.
4. Power Output
Winner: Hyundai HiE-S485VGThe Hyundai HiE-S485VG delivers 485W versus 440W per panel — 45W more. For an 8 kW system, you need 17 panels with the higher-wattage option versus 19 panels, saving 2 panels and the associated racking and labor costs.
5. Cell Technology
Winner: Hyundai HiE-S485VGThe Aptos Solar DNA-144-BF26 440W uses PERC Mono Bifacial: PERC (Passivated Emitter Rear Cell) is the current mainstream technology, offering good efficiency at the lowest manufacturing cost. The Hyundai HiE-S485VG uses TOPCon N-type: TOPCon (Tunnel Oxide Passivated Contact) adds a thin tunnel oxide layer to reduce recombination losses, achieving higher efficiency than PERC while being manufacturable on existing production lines. TOPCon N-type represents a newer generation technology with a longer performance runway as manufacturing matures.
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
Hyundai HiE-S485VG
The Hyundai HiE-S485VG is a 485W TOPCon N-type panel manufactured in South Korea by Hyundai Energy Solutions, a division of the Hyundai conglomerate. The N-type TOPCon cell technology delivers 22.0% module efficiency with a -0.30%/°C temperature coefficient — significantly better than PERC alternatives in hot climates. Hyundai's Korean manufacturing offers non-Chinese supply chain diversification for buyers concerned about tariffs or UFLPA compliance. The 25+25 year warranty is backed by the Hyundai corporate group's financial stability.
Pros
- + South Korean manufacturing — non-Chinese supply chain diversification
- + TOPCon N-type with 22.0% efficiency and -0.30%/°C temp coefficient
- + Backed by Hyundai conglomerate's financial strength for warranty assurance
- + 25-year product and performance warranties
- + Lower degradation than PERC — 1.0% first year, 0.4% annual
- + Competitively priced for a non-Chinese Tier-1 panel
Cons
- - Lower brand recognition in US solar market than LONGi or JinkoSolar
- - 132-cell format slightly larger than standard 108/120-cell residential panels
- - US dealer network smaller than mainstream brands
- - 485W is mid-range — competitors offer 500W+ in similar sizes
Choose Aptos Solar DNA-144-BF26 440W If...
- ✓ Commercial ground-mount and tracker systems seeking bifacial energy gain with an all-black panel design.
Choose Hyundai HiE-S485VG 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
- ✓ You prefer newer cell technology with a longer performance improvement runway
Our Recommendation
The Hyundai HiE-S485VG is the decisive winner in this solar panel comparison, outperforming the Aptos Solar DNA-144-BF26 440W in 5 of 5 dimensions. Unless you have a specific requirement that the Aptos Solar DNA-144-BF26 440W uniquely addresses, the Hyundai HiE-S485VG is the stronger choice for virtually every installation scenario.
Frequently Asked Questions
Which is better, Aptos Solar DNA-144-BF26 440W or Hyundai HiE-S485VG?
The Hyundai HiE-S485VG wins this comparison by a decisive margin. It leads in efficiency (22% vs 20.21%) and matches or exceeds on warranty (25 vs 25 years). For most residential installations, the Hyundai HiE-S485VG is the stronger choice.
Which panel is more efficient, Aptos Solar DNA-144-BF26 440W or Hyundai HiE-S485VG?
The Hyundai HiE-S485VG at 22% module efficiency. Higher efficiency means more watts per square foot of roof space, which is critical for space-constrained installations. The difference of 1.8 percentage points translates to approximately 45W per panel under standard test conditions.
Which has a better warranty, Aptos Solar DNA-144-BF26 440W or Hyundai HiE-S485VG?
The Aptos Solar DNA-144-BF26 440W comes with a 25-year product warranty and 30-year performance guarantee. The Hyundai HiE-S485VG offers 25-year product and 25-year performance warranties. Both offer identical warranty terms.
Which panel performs better in hot weather?
The Aptos Solar DNA-144-BF26 440W has a temperature coefficient of -0.35%/°C and the Hyundai HiE-S485VG is -0.3%/°C. Hyundai HiE-S485VG retains more power in heat — important in states like Arizona, Texas, and Florida. A lower (less negative) temperature coefficient is better.
How many Aptos Solar DNA-144-BF26 440W vs Hyundai HiE-S485VG panels do I need for an 8 kW system?
For an 8 kW system: you need 19 Aptos Solar DNA-144-BF26 440W panels (440W each) or 17 Hyundai HiE-S485VG panels (485W each). The Hyundai HiE-S485VG requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026