Solar Panel Comparison
Maxeon / SunPower Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter vs Maxeon / SunPower Maxeon 6 DC 440W
The Maxeon 6 DC 440W delivers 440W, 15W more than the Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter at 425W.
Maxeon 6 DC 440W has a higher efficiency of 22.8% versus 22% for the Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter.
They use different cell technologies: Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter uses IBC (Interdigitated Back Contact) N-type, while Maxeon 6 DC 440W uses IBC (Interdigitated Back Contact).
Here's how they compare across all key specifications.
Spec
Maxeon / SunPower
Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter
425W
22% efficiency
Maxeon / SunPower
Maxeon 6 DC 440W
440W
22.8% efficiency
Full Specification Comparison
| Spec | Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter | Maxeon 6 DC 440W |
|---|---|---|
| Performance | ||
| Power Output | 425 W | 440 W |
| Efficiency | 22% | 22.8% |
| Cell Type | IBC (Interdigitated Back Contact) N-type | IBC (Interdigitated Back Contact) |
| Temp. Coeff. | -0.29 %/°C | -0.29 %/°C |
| Number of Cells | 66 | 66 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 48.2 V | 48.2 V |
| Vmp | 40.5 V | 40.5 V |
| Isc | 11.06 A | 11.58 A |
| Imp | 10.5 A | 10.87 A |
| Max System Voltage | 1000 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1872x1032x40 mm | 1872x1032x40 mm |
| Weight | 20.9 kg | 20.9 kg |
| Frame Colour | Black | Black |
| Connector Type | AC output (integrated microinverter) | EVO2 |
| Junction Box IP | IP65 | IP68 |
| Warranty & Certification | ||
| Product Warranty | 40 | 25 years |
| Power Warranty | 40 years (92% yr25, 0.25%/yr) | 25 years / 92% (extendable to 40yr) |
| MCS Certified | No | 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 Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter or the Maxeon 6 DC 440W?
The Maxeon 6 DC 440W is more efficient at 22.8%, compared to 22% for the Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter or the Maxeon 6 DC 440W?
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 Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter.
Which solar panel should I choose for my home — the Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter 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.
Maxeon / SunPower
Maxeon 6 AC 425W All-Black with Enphase IQ Microinverter
425W · 22% efficiency · IBC (Interdigitated Back Contact) N-type
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.