Solar Panel Comparison
REC Alpha Pure-RX 470W vs Risen Energy Titan S 400W Full Black
The Alpha Pure-RX 470W delivers 470W, 70W more than the Titan S 400W Full Black at 400W.
Alpha Pure-RX 470W has a higher efficiency of 22.6% versus 20.8% for the Titan S 400W Full Black.
They use different cell technologies: Alpha Pure-RX 470W uses N-type HJT (Heterojunction), while Titan S 400W Full Black uses Mono PERC MBB Half-Cell.
Here's how they compare across all key specifications.
Spec
REC
Alpha Pure-RX 470W
470W
22.6% efficiency
Risen Energy
Titan S 400W Full Black
400W
20.8% efficiency
Full Specification Comparison
| Spec | Alpha Pure-RX 470W | Titan S 400W Full Black |
|---|---|---|
| Performance | ||
| Power Output | 470 W | 400 W |
| Efficiency | 22.6% | 20.8% |
| Cell Type | N-type HJT (Heterojunction) | Mono PERC MBB Half-Cell |
| Temp. Coeff. | -0.24 %/°C | -0.34 %/°C |
| Number of Cells | 88 | 120 |
| Bifacial | Yes | No |
| Electrical | ||
| Voc | 47 V | 41.3 V |
| Vmp | 39.5 V | 34.39 V |
| Isc | 12.85 A | 12.34 A |
| Imp | 11.9 A | 11.64 A |
| Max System Voltage | 1000 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1728x1205x30 mm | 1754x1096x30 mm |
| Weight | 22.7 kg | 21.5 kg |
| Frame Colour | Black | Black |
| Connector Type | — | MC4 compatible |
| Junction Box IP | — | IP68 |
| Warranty & Certification | ||
| Product Warranty | 20 years | 12 years |
| Power Warranty | 25 years (0.25%/yr degradation) | 25 years linear (84.8% yr25) |
| MCS Certified | No | No |
| Certifications | IEC 61215, IEC 61730 | IEC 61215, IEC 61730, ISO 9001, ISO 14001, ISO 45001 |
| Pricing (UK) | ||
| Retail Price | £151.95 | — |
| Price per Watt | £0.323/W | — |
Frequently Asked Questions
Which is more efficient, the Alpha Pure-RX 470W or the Titan S 400W Full Black?
The Alpha Pure-RX 470W is more efficient at 22.6%, compared to 20.8% for the Titan S 400W Full Black. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Alpha Pure-RX 470W or the Titan S 400W Full Black?
The Alpha Pure-RX 470W has a higher rated output at 470W. This means fewer panels would be needed to reach the same system size compared to the Titan S 400W Full Black.
Which solar panel should I choose for my home — the Alpha Pure-RX 470W or the Titan S 400W Full Black?
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.
REC
Alpha Pure-RX 470W
470W · 22.6% efficiency · N-type HJT (Heterojunction)
View full specs →Risen Energy
Titan S 400W Full Black
400W · 20.8% efficiency · Mono PERC MBB Half-Cell
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.