LONGi Hi-MO X6 445W vs Yingli Solar PANDA 3.0 PRO 430W
The LONGi Hi-MO X6 445W wins this comparison by a narrow margin. It leads in efficiency (22% vs 21.6%) and matches or exceeds on warranty (12 vs 12 years). For most residential installations, the LONGi Hi-MO X6 445W is the stronger choice.
Key Differences
- • LONGi Hi-MO X6 445W is rated at 445W while Yingli Solar PANDA 3.0 PRO 430W is rated at 430W, a 15W difference.
- • LONGi Hi-MO X6 445W achieves 22% efficiency vs 21.6% for the other, a 0.4 percentage point gap.
- • Both carry matching 12-year product warranties.
Specifications Breakdown
Module Efficiency
The LONGi Hi-MO X6 445W achieves 22% module efficiency compared to Yingli Solar PANDA 3.0 PRO 430W's 21.6%, meaning LONGi Hi-MO X6 445W converts 0.4 percentage points more sunlight into electricity per square meter. In practical terms, the LONGi Hi-MO X6 445W produces 227.9 watts per square meter of panel area while the Yingli Solar PANDA 3.0 PRO 430W produces 220.2 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 LONGi Hi-MO X6 445W delivers 445W per panel versus 430W for the Yingli Solar PANDA 3.0 PRO 430W, a 15W difference per module. To build an 8 kW residential system, you would need 18 LONGi Hi-MO X6 445W panels or 19 Yingli Solar PANDA 3.0 PRO 430W 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 -0.29%/°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 94.2% of rated power. Neither panel has a thermal performance advantage, which makes this specification a non-factor in the comparison.
Warranty Coverage
The LONGi Hi-MO X6 445W is backed by a 12-year product warranty and 25-year performance guarantee, while the Yingli Solar PANDA 3.0 PRO 430W offers 12-year product and 30-year performance coverage. Both offer identical product warranty duration. Based on their published degradation rates (1% first year then 0.4%/year for LONGi Hi-MO X6 445W; 1% first year then 0.4%/year for Yingli Solar PANDA 3.0 PRO 430W), after 25 years the LONGi Hi-MO X6 445W should retain approximately 89.4% of original output versus 89.4% for the Yingli Solar PANDA 3.0 PRO 430W. The end-of-life output levels are closely matched.
Physical Dimensions & Weight
The LONGi Hi-MO X6 445W measures 1722×1134×30mm and weighs 21.5 kg, while the Yingli Solar PANDA 3.0 PRO 430W measures 1722×1134×30mm at 21.5 kg. 1.95 m² of panel area for the LONGi Hi-MO X6 445W versus 1.95 m² for the Yingli Solar PANDA 3.0 PRO 430W. 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 | LONGi Hi-MO X6 445W | Yingli Solar PANDA 3.0 PRO 430W |
|---|---|---|
| Power | 445W | 430W |
| Efficiency | 22% | 21.6% |
| Power Density | 21.2 W/sq ft | 20.5 W/sq ft |
| Cell Type | TOPCon N-type | TOPCon N-type |
| Bifacial | Yes | No |
| Weight | 21.5 kg | 21.5 kg |
| Temp Coefficient | -0.29%/°C | -0.29%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 2400 Pa | 2400 Pa |
| Product Warranty | 12 years | 12 years |
| Performance Warranty | 25 years | 30 years |
| Degradation (Year 1) | 1% | 1% |
| Annual Degradation | 0.4% | 0.4% |
| Country | China | China |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: LONGi Hi-MO X6 445WThe LONGi Hi-MO X6 445W achieves 22% efficiency versus 21.6% — a 0.4 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 0.5 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 -0.29%/°C — identical heat tolerance.
3. Durability & Warranty
Winner: TieBoth panels offer identical 12-year product warranties and 0.4% annual degradation. Neither has a durability advantage.
4. Power Output
Winner: LONGi Hi-MO X6 445WThe LONGi Hi-MO X6 445W delivers 445W versus 430W per panel — 15W 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 TOPCon N-type cell technology. No technology advantage for either product.
LONGi Hi-MO X6 445W
The Hi-MO X6 is LONGi's TOPCon N-type line offering 445W in a compact format, well-suited for space-constrained residential rooftops.
Pros
- + Compact size for residential roofs
- + Good N-type TOPCon efficiency
- + Advanced technology
- + Budget-friendly
Cons
- - Lower wattage than larger models
- - Mid-range efficiency for N-type
- - Less suited for very large roofs
Yingli Solar PANDA 3.0 PRO 430W
Yingli Solar PANDA 3.0 PRO delivers 430W with N-type TOPCon technology from one of solar's most established brands.
Pros
- + Established brand history
- + N-type TOPCon cells
- + Good residential size
- + Competitive pricing
Cons
- - Brand restructuring history
- - Standard warranty
- - Limited current US presence
Choose LONGi Hi-MO X6 445W 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 prefer newer cell technology with a longer performance improvement runway
- ✓ Homeowners wanting N-type TOPCon technology in a compact residential format.
Choose Yingli Solar PANDA 3.0 PRO 430W If...
- ✓ You prefer newer cell technology with a longer performance improvement runway
- ✓ Budget N-type installations from a historically significant solar brand.
Our Recommendation
Both the LONGi Hi-MO X6 445W and Yingli Solar PANDA 3.0 PRO 430W are excellent solar panel options, and the margin between them is narrow. The LONGi Hi-MO X6 445W wins 2 of 5 comparison dimensions by a slim margin. Your decision may come down to local pricing, installer availability, and which specific performance metrics matter most for your project. Either product is a solid investment.
Frequently Asked Questions
Which is better, LONGi Hi-MO X6 445W or Yingli Solar PANDA 3.0 PRO 430W?
The LONGi Hi-MO X6 445W wins this comparison by a narrow margin. It leads in efficiency (22% vs 21.6%) and matches or exceeds on warranty (12 vs 12 years). For most residential installations, the LONGi Hi-MO X6 445W is the stronger choice.
Which panel is more efficient, LONGi Hi-MO X6 445W or Yingli Solar PANDA 3.0 PRO 430W?
The LONGi Hi-MO X6 445W 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 0.4 percentage points translates to approximately 15W per panel under standard test conditions.
Which has a better warranty, LONGi Hi-MO X6 445W or Yingli Solar PANDA 3.0 PRO 430W?
The LONGi Hi-MO X6 445W comes with a 12-year product warranty and 25-year performance guarantee. The Yingli Solar PANDA 3.0 PRO 430W offers 12-year product and 30-year performance warranties. Both offer identical warranty terms.
Which panel performs better in hot weather?
The LONGi Hi-MO X6 445W has a temperature coefficient of -0.29%/°C and the Yingli Solar PANDA 3.0 PRO 430W is -0.29%/°C. Both handle heat equally. A lower (less negative) temperature coefficient is better.
How many LONGi Hi-MO X6 445W vs Yingli Solar PANDA 3.0 PRO 430W panels do I need for an 8 kW system?
For an 8 kW system: you need 18 LONGi Hi-MO X6 445W panels (445W each) or 19 Yingli Solar PANDA 3.0 PRO 430W panels (430W each). The LONGi Hi-MO X6 445W requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026