Solar Panel Comparison
Trina Solar Vertex 670W vs Trina Solar Vertex S+ Bifacial Dual Glass 445W
The Vertex 670W delivers 670W, 225W more than the Vertex S+ Bifacial Dual Glass 445W at 445W.
Vertex S+ Bifacial Dual Glass 445W has a higher efficiency of 22.3% versus 21.6% for the Vertex 670W.
They use different cell technologies: Vertex 670W uses Mono PERC 210mm, 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
Trina Solar
Vertex 670W
670W
21.6% efficiency
Trina Solar
Vertex S+ Bifacial Dual Glass 445W
445W
22.3% efficiency
Full Specification Comparison
| Spec | Vertex 670W | Vertex S+ Bifacial Dual Glass 445W |
|---|---|---|
| Performance | ||
| Power Output | 670 W | 445 W |
| Efficiency | 21.6% | 22.3% |
| Cell Type | Mono PERC 210mm | N-type i-TOPCon 1/3-cut |
| Temp. Coeff. | -0.34 %/°C | -0.3 %/°C |
| Number of Cells | 132 | 144 |
| Bifacial | No | Yes |
| Electrical | ||
| Voc | 45.9 V | 52.6 V |
| Vmp | 38.2 V | 44.3 V |
| Isc | 18.62 A | 10.71 A |
| Imp | 17.55 A | 10.05 A |
| Max System Voltage | 1500 V | 1500 V |
| Operating Temp | -40 to +85 °C | -40 to +85 °C |
| Physical | ||
| Dimensions | 2384x1303x33 mm | 1762x1134x30 mm |
| Weight | 33.3 kg | 21 kg |
| Frame Colour | Silver | Black |
| Connector Type | MC4 | MC4-EVO2 |
| Junction Box IP | IP68 | — |
| Warranty & Certification | ||
| Product Warranty | 12 years | 25 years |
| Power Warranty | 30 years linear | 30 years linear (0.4%/yr) |
| MCS Certified | Yes | Yes |
| Certifications | IEC 61215, IEC 61730, CE, TUV, MCS | IEC 61215, IEC 61730, UL, CEC, IEC 61701, IEC 62716 |
Frequently Asked Questions
Which is more efficient, the Vertex 670W or the Vertex S+ Bifacial Dual Glass 445W?
The Vertex S+ Bifacial Dual Glass 445W is more efficient at 22.3%, compared to 21.6% for the Vertex 670W. Higher efficiency means more power generated per square metre of roof space.
Which panel produces more power, the Vertex 670W or the Vertex S+ Bifacial Dual Glass 445W?
The Vertex 670W has a higher rated output at 670W. This means fewer panels would be needed to reach the same system size compared to the Vertex S+ Bifacial Dual Glass 445W.
Which solar panel should I choose for my home — the Vertex 670W 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.
Trina Solar
Vertex 670W
670W · 21.6% efficiency · Mono PERC 210mm
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.