Solar Panel Comparison
REC Group Alpha Pure-R 430W vs Trina Solar Vertex S+ Bifacial Dual Glass 445W
The Vertex S+ Bifacial Dual Glass 445W delivers 445W, 15W more than the Alpha Pure-R 430W at 430W.
Both panels share the same 22.3% efficiency rating.
They use different cell technologies: Alpha Pure-R 430W uses HJT (Heterojunction), while Vertex S+ Bifacial Dual Glass 445W uses N-type i-TOPCon 1/3-cut.
Here's how they compare across all key specifications.
Spec
REC Group
Alpha Pure-R 430W
430W
22.3% efficiency
Trina Solar
Vertex S+ Bifacial Dual Glass 445W
445W
22.3% efficiency
Full Specification Comparison
| Spec | Alpha Pure-R 430W | Vertex S+ Bifacial Dual Glass 445W |
|---|---|---|
| Performance | ||
| Power Output | 430 W | 445 W |
| Efficiency | 22.3% | 22.3% |
| Cell Type | HJT (Heterojunction) | N-type i-TOPCon 1/3-cut |
| Temp. Coeff. | -0.24 %/°C | -0.3 %/°C |
| Number of Cells | 80 | 144 |
| Bifacial | No | Yes |
| Electrical | ||
| Voc | 59.4 V | 52.6 V |
| Vmp | 50 V | 44.3 V |
| Isc | 8.91 A | 10.71 A |
| Imp | 8.4 A | 10.05 A |
| Max System Voltage | 1000 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 1730x1118x30 mm | 1762x1134x30 mm |
| Weight | 21.5 kg | 21 kg |
| Frame Colour | Black | Black |
| Connector Type | MC4 | MC4-EVO2 |
| Warranty & Certification | ||
| Product Warranty | 20 years | 25 years |
| Power Warranty | 25 years (92% min, 0.25%/yr) | 30 years linear (0.4%/yr) |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730, RoHS | IEC 61215, IEC 61730, UL, CEC, IEC 61701, IEC 62716 |
| Pricing (UK) | ||
| Retail Price | £142.00 | — |
| Price per Watt | £0.330/W | — |
Frequently Asked Questions
Which is more efficient, the Alpha Pure-R 430W or the Vertex S+ Bifacial Dual Glass 445W?
Both the Alpha Pure-R 430W and Vertex S+ Bifacial Dual Glass 445W have the same efficiency rating of 22.3%.
Which panel produces more power, the Alpha Pure-R 430W or the Vertex S+ Bifacial Dual Glass 445W?
The Vertex S+ Bifacial Dual Glass 445W has a higher rated output at 445W. This means fewer panels would be needed to reach the same system size compared to the Alpha Pure-R 430W.
Which solar panel should I choose for my home — the Alpha Pure-R 430W or the Vertex S+ Bifacial Dual Glass 445W?
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 Group
Alpha Pure-R 430W
430W · 22.3% efficiency · HJT (Heterojunction)
View full specs →Trina Solar
Vertex S+ Bifacial Dual Glass 445W
445W · 22.3% efficiency · N-type i-TOPCon 1/3-cut
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.