Solar Panel Comparison

TCL Solar T-Class 440W TOPCon Half-Cut All Black vs Trina Solar Vertex S+ 450W Dual Glass Full Black

The Vertex S+ 450W Dual Glass Full Black delivers 450W, 10W more than the T-Class 440W TOPCon Half-Cut All Black at 440W.

Vertex S+ 450W Dual Glass Full Black has a higher efficiency of 22.5% versus 22% for the T-Class 440W TOPCon Half-Cut All Black.

They use different cell technologies: T-Class 440W TOPCon Half-Cut All Black uses N-type TOPCon Half-Cut SMB, while Vertex S+ 450W Dual Glass Full Black uses N-type i-TOPCon Triple-Cut.

Here's how they compare across all key specifications.

Vertex S+ 450W Dual Glass Full Black· Higher efficiencyVertex S+ 450W Dual Glass Full Black· Higher outputT-Class 440W TOPCon Half-Cut All Black· Better temp. performance

Spec

TCL Solar

T-Class 440W TOPCon Half-Cut All Black

440W

22% efficiency

Trina Solar

Vertex S+ 450W Dual Glass Full Black

450W

22.5% efficiency

Full Specification Comparison

SpecT-Class 440W TOPCon Half-Cut All BlackVertex S+ 450W Dual Glass Full Black
Performance
Power Output440 W450 W
Efficiency22%22.5%
Cell TypeN-type TOPCon Half-Cut SMBN-type i-TOPCon Triple-Cut
Temp. Coeff.-0.3 %/°C-0.29 %/°C
Number of Cells108144
BifacialNoYes
Electrical
Voc—52.9 V
Vmp—44.6 V
Isc—10.74 A
Imp—10.09 A
Max System Voltage1500 V1500 V
Operating Temp-40 to +85 °C-40 to +85 °C
Physical
Dimensions1762x1134x30 mm1762x1134x30 mm
Weight—21 kg
Frame ColourBlackBlack
Connector TypeMC4—
Warranty & Certification
Product Warranty2525 years
Power Warranty30 years linear30 years (87.4% yr30, 0.4%/yr)
MCS CertifiedYesYes
CertificationsIEC 61215, IEC 61730IEC 61215, IEC 61730, IEC 62804, IEC TS 63209

Frequently Asked Questions

Which is more efficient, the T-Class 440W TOPCon Half-Cut All Black or the Vertex S+ 450W Dual Glass Full Black?

The Vertex S+ 450W Dual Glass Full Black is more efficient at 22.5%, compared to 22% for the T-Class 440W TOPCon Half-Cut All Black. Higher efficiency means more power generated per square metre of roof space.

Which panel produces more power, the T-Class 440W TOPCon Half-Cut All Black or the Vertex S+ 450W Dual Glass Full Black?

The Vertex S+ 450W Dual Glass Full Black has a higher rated output at 450W. This means fewer panels would be needed to reach the same system size compared to the T-Class 440W TOPCon Half-Cut All Black.

Which solar panel should I choose for my home — the T-Class 440W TOPCon Half-Cut All Black or the Vertex S+ 450W Dual Glass 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.

TCL Solar

T-Class 440W TOPCon Half-Cut All Black

440W · 22% efficiency · N-type TOPCon Half-Cut SMB

View full specs →

Trina Solar

Vertex S+ 450W Dual Glass Full Black

450W · 22.5% efficiency · N-type i-TOPCon Triple-Cut

View full specs →

More Comparisons

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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.

Solar EstimatorEstimate Installation Cost