Solar Panel Comparison
Maxeon / SunPower Maxeon 6 DC 440W vs Meyer Burger White 395W
The Maxeon 6 DC 440W delivers 440W, 45W more than the White 395W at 395W.
Maxeon 6 DC 440W has a higher efficiency of 22.8% versus 21.5% for the White 395W.
They use different cell technologies: Maxeon 6 DC 440W uses IBC (Interdigitated Back Contact), while White 395W uses HJT with SmartWire (SWCT).
Here's how they compare across all key specifications.
Full Specification Comparison
| Spec | Maxeon 6 DC 440W | White 395W |
|---|---|---|
| Performance | ||
| Power Output | 440 W | 395 W |
| Efficiency | 22.8% | 21.5% |
| Cell Type | IBC (Interdigitated Back Contact) | HJT with SmartWire (SWCT) |
| Temp. Coeff. | -0.29 %/°C | -0.259 %/°C |
| Number of Cells | 66 | 120 |
| Bifacial | No | Yes |
| Electrical | ||
| Voc | 48.2 V | 44.5 V |
| Vmp | 40.5 V | 38.3 V |
| Isc | 11.58 A | 10.9 A |
| Imp | 10.87 A | 10.3 A |
| Max System Voltage | 1000 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1872x1032x40 mm | 1767x1041x35 mm |
| Weight | 20.9 kg | 19.7 kg |
| Frame Colour | Black | Black |
| Connector Type | EVO2 | MC4,MC4-Evo2 |
| Junction Box IP | IP68 | IP68 |
| Warranty & Certification | ||
| Product Warranty | 25 years | 25 years |
| Power Warranty | 25 years / 92% (extendable to 40yr) | 25 years (93% retained) |
| 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, IEC 62804, IEC 61701 |
| 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 White 395W?
The Maxeon 6 DC 440W is more efficient at 22.8%, compared to 21.5% for the White 395W. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Maxeon 6 DC 440W or the White 395W?
The Maxeon 6 DC 440W has a higher rated output at 440W. This means fewer panels would be needed to reach the same system size compared to the White 395W.
Which solar panel should I choose for my home — the Maxeon 6 DC 440W or the White 395W?
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 →Meyer Burger
White 395W
395W · 21.5% efficiency · HJT with SmartWire (SWCT)
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.