Solar Panel Comparison
LONGi Hi-MO X6 Max 505W All Black vs REC Alpha Pure-RX 470W
The Hi-MO X6 Max 505W All Black delivers 505W, 35W more than the Alpha Pure-RX 470W at 470W.
Alpha Pure-RX 470W has a higher efficiency of 22.6% versus 22.4% for the Hi-MO X6 Max 505W All Black.
They use different cell technologies: Hi-MO X6 Max 505W All Black uses N-type HPBC+, while Alpha Pure-RX 470W uses N-type HJT (Heterojunction).
Here's how they compare across all key specifications.
Full Specification Comparison
| Spec | Hi-MO X6 Max 505W All Black | Alpha Pure-RX 470W |
|---|---|---|
| Performance | ||
| Power Output | 505 W | 470 W |
| Efficiency | 22.4% | 22.6% |
| Cell Type | N-type HPBC+ | N-type HJT (Heterojunction) |
| Temp. Coeff. | -0.29 %/°C | -0.24 %/°C |
| Number of Cells | 144 | 88 |
| Bifacial | No | Yes |
| Electrical | ||
| Voc | 43.5 V | 47 V |
| Vmp | 36.64 V | 39.5 V |
| Isc | 14.77 A | 12.85 A |
| Imp | 13.79 A | 11.9 A |
| Max System Voltage | 1500 V | 1000 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1960x1134x30 mm | 1728x1205x30 mm |
| Weight | — | 22.7 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4 | — |
| Warranty & Certification | ||
| Product Warranty | 25 | 20 years |
| Power Warranty | 25 years linear | 25 years (0.25%/yr degradation) |
| MCS Certified | Yes | No |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730 |
| Pricing (UK) | ||
| Retail Price | — | £151.95 |
| Price per Watt | — | £0.323/W |
Frequently Asked Questions
Which is more efficient, the Hi-MO X6 Max 505W All Black or the Alpha Pure-RX 470W?
The Alpha Pure-RX 470W is more efficient at 22.6%, compared to 22.4% for the Hi-MO X6 Max 505W All Black. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Hi-MO X6 Max 505W All Black or the Alpha Pure-RX 470W?
The Hi-MO X6 Max 505W All Black has a higher rated output at 505W. This means fewer panels would be needed to reach the same system size compared to the Alpha Pure-RX 470W.
Which solar panel should I choose for my home — the Hi-MO X6 Max 505W All Black or the Alpha Pure-RX 470W?
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 Max 505W All Black
505W · 22.4% efficiency · N-type HPBC+
View full specs →REC
Alpha Pure-RX 470W
470W · 22.6% efficiency · N-type 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.