Solar Panel Comparison
Maxeon / SunPower Maxeon 6 DC 440W vs Trina Solar Vertex S+ Bifacial Dual Glass 445W
The Vertex S+ Bifacial Dual Glass 445W delivers 445W, 5W more than the Maxeon 6 DC 440W at 440W.
Maxeon 6 DC 440W has a higher efficiency of 22.8% versus 22.3% for the Vertex S+ Bifacial Dual Glass 445W.
They use different cell technologies: Maxeon 6 DC 440W uses IBC (Interdigitated Back Contact), while Vertex S+ Bifacial Dual Glass 445W uses N-type i-TOPCon 1/3-cut.
Here's how they compare across all key specifications.
Spec
Maxeon / SunPower
Maxeon 6 DC 440W
440W
22.8% efficiency
Trina Solar
Vertex S+ Bifacial Dual Glass 445W
445W
22.3% efficiency
Full Specification Comparison
| Spec | Maxeon 6 DC 440W | Vertex S+ Bifacial Dual Glass 445W |
|---|---|---|
| Performance | ||
| Power Output | 440 W | 445 W |
| Efficiency | 22.8% | 22.3% |
| Cell Type | IBC (Interdigitated Back Contact) | N-type i-TOPCon 1/3-cut |
| Temp. Coeff. | -0.29 %/°C | -0.3 %/°C |
| Number of Cells | 66 | 144 |
| Bifacial | No | Yes |
| Electrical | ||
| Voc | 48.2 V | 52.6 V |
| Vmp | 40.5 V | 44.3 V |
| Isc | 11.58 A | 10.71 A |
| Imp | 10.87 A | 10.05 A |
| Max System Voltage | 1000 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1872x1032x40 mm | 1762x1134x30 mm |
| Weight | 20.9 kg | 21 kg |
| Frame Colour | Black | Black |
| Connector Type | EVO2 | MC4-EVO2 |
| Junction Box IP | IP68 | — |
| Warranty & Certification | ||
| Product Warranty | 25 years | 25 years |
| Power Warranty | 25 years / 92% (extendable to 40yr) | 30 years linear (0.4%/yr) |
| MCS Certified | No | Yes |
| Certifications | IEC 61215, IEC 61730, UL 61730, ISO 9001, ISO 14001, IEC 62716, IEC 61701, MIL-STD-810G | IEC 61215, IEC 61730, UL, CEC, IEC 61701, IEC 62716 |
| Pricing (UK) | ||
| Retail Price | £650.00 | — |
| Price per Watt | £1.477/W | — |
Frequently Asked Questions
Which is more efficient, the Maxeon 6 DC 440W or the Vertex S+ Bifacial Dual Glass 445W?
The Maxeon 6 DC 440W is more efficient at 22.8%, compared to 22.3% for the Vertex S+ Bifacial Dual Glass 445W. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Maxeon 6 DC 440W or the Vertex S+ Bifacial Dual Glass 445W?
The Vertex S+ Bifacial Dual Glass 445W has a higher rated output at 445W. This means fewer panels would be needed to reach the same system size compared to the Maxeon 6 DC 440W.
Which solar panel should I choose for my home — the Maxeon 6 DC 440W or the Vertex S+ Bifacial Dual Glass 445W?
The right choice depends on your priorities. If maximising energy generation per panel is key, consider efficiency and wattage. If budget is your main concern, compare price per watt. Both panels have their merits — use our Solar Estimator to see how each would perform in your specific home setup.
Maxeon / SunPower
Maxeon 6 DC 440W
440W · 22.8% efficiency · IBC (Interdigitated Back Contact)
View full specs →Trina Solar
Vertex S+ Bifacial Dual Glass 445W
445W · 22.3% efficiency · N-type i-TOPCon 1/3-cut
View full specs →More Comparisons
See how these panels perform in your home
Use our Solar Estimator to calculate system size, installation cost, and payback period — with either of these panels as a starting point.