Solar Panel Comparison
LONGi Hi-MO X6 425W All-Black HPBC vs REC Group Alpha Pure-R 430W
The Alpha Pure-R 430W delivers 430W, 5W more than the Hi-MO X6 425W All-Black HPBC at 425W.
Hi-MO X6 425W All-Black HPBC has a higher efficiency of 22.5% versus 22.3% for the Alpha Pure-R 430W.
They use different cell technologies: Hi-MO X6 425W All-Black HPBC uses HPBC (Hybrid Passivated Back Contact), while Alpha Pure-R 430W uses HJT (Heterojunction).
Here's how they compare across all key specifications.
Spec
LONGi
Hi-MO X6 425W All-Black HPBC
425W
22.5% efficiency
REC Group
Alpha Pure-R 430W
430W
22.3% efficiency
Full Specification Comparison
| Spec | Hi-MO X6 425W All-Black HPBC | Alpha Pure-R 430W |
|---|---|---|
| Performance | ||
| Power Output | 425 W | 430 W |
| Efficiency | 22.5% | 22.3% |
| Cell Type | HPBC (Hybrid Passivated Back Contact) | HJT (Heterojunction) |
| Temp. Coeff. | -0.29 %/°C | -0.24 %/°C |
| Number of Cells | 108 | 80 |
| Bifacial | No | No |
| Electrical | ||
| Voc | 39.23 V | 59.4 V |
| Vmp | 32.96 V | 50 V |
| Isc | 13.93 A | 8.91 A |
| Imp | 12.9 A | 8.4 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1722x1134x30 mm | 1730x1118x30 mm |
| Weight | — | 21.5 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4 | MC4 |
| Warranty & Certification | ||
| Product Warranty | 25 | 20 years |
| Power Warranty | 25 years linear | 25 years (92% min, 0.25%/yr) |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730, RoHS |
| Pricing (UK) | ||
| Retail Price | — | £142.00 |
| Price per Watt | — | £0.330/W |
Frequently Asked Questions
Which is more efficient, the Hi-MO X6 425W All-Black HPBC or the Alpha Pure-R 430W?
The Hi-MO X6 425W All-Black HPBC is more efficient at 22.5%, compared to 22.3% for the Alpha Pure-R 430W. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Hi-MO X6 425W All-Black HPBC or the Alpha Pure-R 430W?
The Alpha Pure-R 430W has a higher rated output at 430W. This means fewer panels would be needed to reach the same system size compared to the Hi-MO X6 425W All-Black HPBC.
Which solar panel should I choose for my home — the Hi-MO X6 425W All-Black HPBC or the Alpha Pure-R 430W?
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.
LONGi
Hi-MO X6 425W All-Black HPBC
425W · 22.5% efficiency · HPBC (Hybrid Passivated Back Contact)
View full specs →REC Group
Alpha Pure-R 430W
430W · 22.3% efficiency · HJT (Heterojunction)
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.