Trina Solar Vertex N 590W vs Hyundai HiE-S485VG
The Hyundai HiE-S485VG wins this comparison by a clear margin. It offers better long-term durability with 25-year warranty. For most residential installations, the Hyundai HiE-S485VG is the stronger choice.
Key Differences
- • Trina Solar Vertex N 590W is rated at 590W while Hyundai HiE-S485VG is rated at 485W, a 105W difference.
- • Trina Solar Vertex N 590W achieves 22.5% efficiency vs 22% for the other, a 0.5 percentage point gap.
- • Hyundai HiE-S485VG comes with a 25-year product warranty vs 15 years for the other.
- • Trina Solar Vertex N 590W has a superior temperature coefficient of -0.29%/°C vs -0.3%/°C, retaining more power in hot climates.
Specifications Breakdown
Module Efficiency
The Trina Solar Vertex N 590W achieves 22.5% module efficiency compared to Hyundai HiE-S485VG's 22%, meaning Trina Solar Vertex N 590W converts 0.5 percentage points more sunlight into electricity per square meter. In practical terms, the Trina Solar Vertex N 590W produces 228.4 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 Trina Solar Vertex N 590W delivers 590W per panel versus 485W for the Hyundai HiE-S485VG, a 105W difference per module. To build an 8 kW residential system, you would need 14 Trina Solar Vertex N 590W panels or 17 Hyundai HiE-S485VG panels. Choosing the higher-wattage option saves 3 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 Trina Solar Vertex N 590W has a temperature coefficient of -0.29%/°C versus -0.3%/°C for the Hyundai HiE-S485VG. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the Trina Solar Vertex N 590W retains 94.2% of its rated power while the other retains 94.0%. 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 Trina Solar Vertex N 590W is backed by a 15-year product warranty and 30-year performance guarantee, while the Hyundai HiE-S485VG offers 25-year product and 25-year performance coverage. The Hyundai HiE-S485VG provides 10 additional years of defect protection, covering manufacturing issues, material failures, and premature performance loss. Based on their published degradation rates (1% first year then 0.4%/year for Trina Solar Vertex N 590W; 1% first year then 0.4%/year for Hyundai HiE-S485VG), after 25 years the Trina Solar Vertex N 590W should retain approximately 89.4% of original output versus 89.4% for the Hyundai HiE-S485VG. The end-of-life output levels are closely matched.
Physical Dimensions & Weight
The Trina Solar Vertex N 590W measures 2278×1134×35mm and weighs 29 kg, while the Hyundai HiE-S485VG measures 2094×1039×35mm at 24.5 kg. 2.58 m² of panel area for the Trina Solar Vertex N 590W versus 2.18 m² for the Hyundai HiE-S485VG. The Hyundai HiE-S485VG is 4.5 kg lighter per panel, which reduces structural load requirements on the roof and makes handling easier during installation. For a 20-panel system, that is a total weight difference of 90 kg. The more compact Hyundai HiE-S485VG may be easier to fit on irregularly shaped or space-limited rooftops.
Specification Comparison
| Specification | Trina Solar Vertex N 590W | Hyundai HiE-S485VG |
|---|---|---|
| Power | 590W | 485W |
| Efficiency | 22.5% | 22% |
| Power Density | 21.2 W/sq ft | 20.7 W/sq ft |
| Cell Type | TOPCon N-type | TOPCon N-type |
| Bifacial | Yes | No |
| Weight | 29 kg | 24.5 kg |
| Temp Coefficient | -0.29%/°C | -0.3%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 2400 Pa | 2400 Pa |
| Product Warranty | 15 years | 25 years |
| Performance Warranty | 30 years | 25 years |
| Degradation (Year 1) | 1% | 1% |
| Annual Degradation | 0.4% | 0.4% |
| Country | China | South Korea |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: Trina Solar Vertex N 590WThe Trina Solar Vertex N 590W achieves 22.5% efficiency versus 22% — a 0.5 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 3.1 kW more total system capacity, or 15 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: Trina Solar Vertex N 590WThe Trina Solar Vertex N 590W has a better temperature coefficient of -0.29%/°C versus -0.3%/°C. On a 45°C summer day (20°C above STC), the winner retains 94.2% of rated power versus 94.0%. The difference is modest but accumulates over 25 years of summer production.
3. Durability & Warranty
Winner: Hyundai HiE-S485VGHyundai HiE-S485VG leads with a 25-year product warranty versus 15 years. After 25 years, expect 89.4% vs 89.4% of original output for Trina Solar Vertex N 590W and Hyundai HiE-S485VG respectively.
4. Power Output
Winner: Trina Solar Vertex N 590WThe Trina Solar Vertex N 590W delivers 590W versus 485W per panel — 105W more. For an 8 kW system, you need 14 panels with the higher-wattage option versus 17 panels, saving 3 panels and the associated racking and labor costs.
5. Cell Technology
Winner: TieBoth panels use TOPCon N-type cell technology. No technology advantage for either product.
Trina Solar Vertex N 590W
The Vertex N is Trina Solar's high-output N-type module delivering 590W for large residential and commercial installations.
Pros
- + High 590W output
- + Excellent bifaciality
- + Low LCOE
- + Bankable brand
Cons
- - Large and heavy panel
- - Requires robust mounting
- - Not ideal for small roofs
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 Trina Solar Vertex N 590W 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 prefer newer cell technology with a longer performance improvement runway
- ✓ Large residential or commercial rooftop systems.
Choose Hyundai HiE-S485VG If...
- ✓ Long-term warranty protection is a top priority and you plan to stay in your home for 25+ years
- ✓ You prefer newer cell technology with a longer performance improvement runway
- ✓ Homeowners and commercial buyers seeking Tier-1 Korean-manufactured TOPCon panels with strong corporate warranty backing and non-Chinese supply chain.
Our Recommendation
We recommend the Hyundai HiE-S485VG for most buyers in this comparison. It wins 1 of 5 key dimensions and offers a clear advantage in the metrics that matter most for a solar panel purchase. The Trina Solar Vertex N 590W remains a good product, but the Hyundai HiE-S485VG delivers better overall value for the majority of installations.
Frequently Asked Questions
Which is better, Trina Solar Vertex N 590W or Hyundai HiE-S485VG?
The Hyundai HiE-S485VG wins this comparison by a clear margin. It offers better long-term durability with 25-year warranty. For most residential installations, the Hyundai HiE-S485VG is the stronger choice.
Which panel is more efficient, Trina Solar Vertex N 590W or Hyundai HiE-S485VG?
The Trina Solar Vertex N 590W at 22.5% module efficiency. Higher efficiency means more watts per square foot of roof space, which is critical for space-constrained installations. The difference of 0.5 percentage points translates to approximately 105W per panel under standard test conditions.
Which has a better warranty, Trina Solar Vertex N 590W or Hyundai HiE-S485VG?
The Trina Solar Vertex N 590W comes with a 15-year product warranty and 30-year performance guarantee. The Hyundai HiE-S485VG offers 25-year product and 25-year performance warranties. Hyundai HiE-S485VG provides 10 additional years of product coverage.
Which panel performs better in hot weather?
The Trina Solar Vertex N 590W has a temperature coefficient of -0.29%/°C and the Hyundai HiE-S485VG is -0.3%/°C. Trina Solar Vertex N 590W retains more power in heat — important in states like Arizona, Texas, and Florida. A lower (less negative) temperature coefficient is better.
How many Trina Solar Vertex N 590W vs Hyundai HiE-S485VG panels do I need for an 8 kW system?
For an 8 kW system: you need 14 Trina Solar Vertex N 590W panels (590W each) or 17 Hyundai HiE-S485VG panels (485W each). The Trina Solar Vertex N 590W requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026