JinkoSolar Tiger Neo 475W vs Hyundai HiE-S420VG
The Hyundai HiE-S420VG wins this comparison by a clear margin. It offers better long-term durability with 25-year warranty. For most residential installations, the Hyundai HiE-S420VG is the stronger choice.
Key Differences
- • JinkoSolar Tiger Neo 475W is rated at 475W while Hyundai HiE-S420VG is rated at 420W, a 55W difference.
- • JinkoSolar Tiger Neo 475W achieves 22.6% efficiency vs 21.5% for the other, a 1.1 percentage point gap.
- • Hyundai HiE-S420VG comes with a 25-year product warranty vs 15 years for the other.
- • JinkoSolar Tiger Neo 475W has a superior temperature coefficient of -0.29%/°C vs -0.3%/°C, retaining more power in hot climates.
Specifications Breakdown
Module Efficiency
The JinkoSolar Tiger Neo 475W achieves 22.6% module efficiency compared to Hyundai HiE-S420VG's 21.5%, meaning JinkoSolar Tiger Neo 475W converts 1.1 percentage points more sunlight into electricity per square meter. In practical terms, the JinkoSolar Tiger Neo 475W produces 237.7 watts per square meter of panel area while the Hyundai HiE-S420VG produces 215.1 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 JinkoSolar Tiger Neo 475W delivers 475W per panel versus 420W for the Hyundai HiE-S420VG, a 55W difference per module. To build an 8 kW residential system, you would need 17 JinkoSolar Tiger Neo 475W panels or 20 Hyundai HiE-S420VG 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 JinkoSolar Tiger Neo 475W has a temperature coefficient of -0.29%/°C versus -0.3%/°C for the Hyundai HiE-S420VG. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the JinkoSolar Tiger Neo 475W 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 JinkoSolar Tiger Neo 475W is backed by a 15-year product warranty and 30-year performance guarantee, while the Hyundai HiE-S420VG offers 25-year product and 25-year performance coverage. The Hyundai HiE-S420VG 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 JinkoSolar Tiger Neo 475W; 1% first year then 0.4%/year for Hyundai HiE-S420VG), after 25 years the JinkoSolar Tiger Neo 475W should retain approximately 89.4% of original output versus 89.4% for the Hyundai HiE-S420VG. The end-of-life output levels are closely matched.
Physical Dimensions & Weight
The JinkoSolar Tiger Neo 475W measures 1762×1134×30mm and weighs 23.5 kg, while the Hyundai HiE-S420VG measures 1722×1134×30mm at 21 kg. 2.00 m² of panel area for the JinkoSolar Tiger Neo 475W versus 1.95 m² for the Hyundai HiE-S420VG. The Hyundai HiE-S420VG is 2.5 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 50 kg. Similar footprints mean both panels fit comparably on standard residential rooftop configurations.
Specification Comparison
| Specification | JinkoSolar Tiger Neo 475W | Hyundai HiE-S420VG |
|---|---|---|
| Power | 475W | 420W |
| Efficiency | 22.6% | 21.5% |
| Power Density | 22.1 W/sq ft | 20.0 W/sq ft |
| Cell Type | TOPCon N-type | TOPCon N-type |
| Bifacial | Yes | No |
| Weight | 23.5 kg | 21 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: JinkoSolar Tiger Neo 475WThe JinkoSolar Tiger Neo 475W achieves 22.6% efficiency versus 21.5% — a 1.1 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 1.6 kW more total system capacity, or 8 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: JinkoSolar Tiger Neo 475WThe JinkoSolar Tiger Neo 475W 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-S420VGHyundai HiE-S420VG leads with a 25-year product warranty versus 15 years. After 25 years, expect 89.4% vs 89.4% of original output for JinkoSolar Tiger Neo 475W and Hyundai HiE-S420VG respectively.
4. Power Output
Winner: JinkoSolar Tiger Neo 475WThe JinkoSolar Tiger Neo 475W delivers 475W versus 420W per panel — 55W more. For an 8 kW system, you need 17 panels with the higher-wattage option versus 20 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.
JinkoSolar Tiger Neo 475W
JinkoSolar Tiger Neo is a premium N-type TOPCon panel delivering 475W with industry-leading 22.6% efficiency for residential use.
Pros
- + Excellent 22.6% efficiency
- + Leading N-type technology
- + Strong low-light performance
- + Tier 1 bankability
Cons
- - Premium pricing
- - Moderate availability
- - Heavier than some competitors
Hyundai HiE-S420VG
The Hyundai HiE-S420VG is a 420W residential-format TOPCon N-type panel in the popular 108-cell configuration (1722 x 1134mm), matching the most common residential panel size for easy racking and roof fit. Korean manufacturing provides supply chain diversification, and the TOPCon N-type cells deliver better temperature performance (-0.30%/°C) and lower degradation than PERC alternatives. The standard residential form factor ensures compatibility with all major racking systems.
Pros
- + Standard 108-cell residential size — fits any racking system
- + Korean-made TOPCon N-type with 21.5% efficiency
- + -0.30%/°C temperature coefficient for hot climate performance
- + 25+25 year warranty backed by Hyundai corporate
- + Non-Chinese manufacturing for tariff and UFLPA considerations
- + 420W competitive output in standard residential format
Cons
- - 420W is competitive but not class-leading for 108-cell panels
- - Slightly higher per-watt cost than Chinese equivalents
- - Smaller US installer network and distribution
- - Less brand recognition in solar market despite Hyundai name
Choose JinkoSolar Tiger Neo 475W 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
- ✓ Premium residential installations demanding top-tier efficiency.
Choose Hyundai HiE-S420VG 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
- ✓ Residential homeowners wanting a standard-size Korean-manufactured TOPCon panel that fits any roof and racking system with strong corporate warranty backing.
Our Recommendation
We recommend the Hyundai HiE-S420VG 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 JinkoSolar Tiger Neo 475W remains a good product, but the Hyundai HiE-S420VG delivers better overall value for the majority of installations.
Frequently Asked Questions
Which is better, JinkoSolar Tiger Neo 475W or Hyundai HiE-S420VG?
The Hyundai HiE-S420VG wins this comparison by a clear margin. It offers better long-term durability with 25-year warranty. For most residential installations, the Hyundai HiE-S420VG is the stronger choice.
Which panel is more efficient, JinkoSolar Tiger Neo 475W or Hyundai HiE-S420VG?
The JinkoSolar Tiger Neo 475W at 22.6% 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 55W per panel under standard test conditions.
Which has a better warranty, JinkoSolar Tiger Neo 475W or Hyundai HiE-S420VG?
The JinkoSolar Tiger Neo 475W comes with a 15-year product warranty and 30-year performance guarantee. The Hyundai HiE-S420VG offers 25-year product and 25-year performance warranties. Hyundai HiE-S420VG provides 10 additional years of product coverage.
Which panel performs better in hot weather?
The JinkoSolar Tiger Neo 475W has a temperature coefficient of -0.29%/°C and the Hyundai HiE-S420VG is -0.3%/°C. JinkoSolar Tiger Neo 475W retains more power in heat — important in states like Arizona, Texas, and Florida. A lower (less negative) temperature coefficient is better.
How many JinkoSolar Tiger Neo 475W vs Hyundai HiE-S420VG panels do I need for an 8 kW system?
For an 8 kW system: you need 17 JinkoSolar Tiger Neo 475W panels (475W each) or 20 Hyundai HiE-S420VG panels (420W each). The JinkoSolar Tiger Neo 475W requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026