Solar Panel Comparison
JA Solar DeepBlue 4.0 PRO 465W Black Frame vs Maxeon / SunPower Maxeon 6 DC 440W
The DeepBlue 4.0 PRO 465W Black Frame delivers 465W, 25W more than the Maxeon 6 DC 440W at 440W.
DeepBlue 4.0 PRO 465W Black Frame has a higher efficiency of 23.3% versus 22.8% for the Maxeon 6 DC 440W.
They use different cell technologies: DeepBlue 4.0 PRO 465W Black Frame uses N-type TOPCon MBB Half-Cell, while Maxeon 6 DC 440W uses IBC (Interdigitated Back Contact).
Here's how they compare across all key specifications.
Spec
JA Solar
DeepBlue 4.0 PRO 465W Black Frame
465W
23.3% efficiency
Maxeon / SunPower
Maxeon 6 DC 440W
440W
22.8% efficiency
Full Specification Comparison
| Spec | DeepBlue 4.0 PRO 465W Black Frame | Maxeon 6 DC 440W |
|---|---|---|
| Performance | ||
| Power Output | 465 W | 440 W |
| Efficiency | 23.3% | 22.8% |
| Cell Type | N-type TOPCon MBB Half-Cell | IBC (Interdigitated Back Contact) |
| Temp. Coeff. | -0.3 %/°C | -0.29 %/°C |
| Number of Cells | 108 | 66 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 40.2 V | 48.2 V |
| Vmp | 33.5 V | 40.5 V |
| Isc | 14.65 A | 11.58 A |
| Imp | 13.88 A | 10.87 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1762x1134x30 mm | 1872x1032x40 mm |
| Weight | — | 20.9 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4-EVO2 | EVO2 |
| Junction Box IP | — | IP68 |
| Warranty & Certification | ||
| Product Warranty | 25 | 25 years |
| Power Warranty | 30 years linear | 25 years / 92% (extendable to 40yr) |
| MCS Certified | Yes | No |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730, UL 61730, ISO 9001, ISO 14001, IEC 62716, IEC 61701, MIL-STD-810G |
| Pricing (UK) | ||
| Retail Price | — | £650.00 |
| Price per Watt | — | £1.477/W |
Frequently Asked Questions
Which is more efficient, the DeepBlue 4.0 PRO 465W Black Frame or the Maxeon 6 DC 440W?
The DeepBlue 4.0 PRO 465W Black Frame is more efficient at 23.3%, compared to 22.8% for the Maxeon 6 DC 440W. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the DeepBlue 4.0 PRO 465W Black Frame or the Maxeon 6 DC 440W?
The DeepBlue 4.0 PRO 465W Black Frame has a higher rated output at 465W. 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 DeepBlue 4.0 PRO 465W Black Frame or the Maxeon 6 DC 440W?
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.
JA Solar
DeepBlue 4.0 PRO 465W Black Frame
465W · 23.3% efficiency · N-type TOPCon MBB Half-Cell
View full specs →Maxeon / SunPower
Maxeon 6 DC 440W
440W · 22.8% efficiency · IBC (Interdigitated Back Contact)
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.