--- title: "Trina Solar TSM-NE19R-640 vs Trina Solar TSM-NE19R-650 - Solar Panel Comparison | ComparePV" description: "Compare Trina Solar TSM-NE19R-640 vs Trina Solar TSM-NE19R-650 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/trina-solar-tsm-ne19r-640/trina-solar-tsm-ne19r-650" updated: 2026-09-11 --- # Trina Solar TSM-NE19R-640 vs Trina Solar TSM-NE19R-650 650 leads on the differences that matter The largest is module efficiency: 0.40 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Trina Solar TSM-NE19R-640](https://comparepv.com/panel/trina-solar-tsm-ne19r-640) | [Trina Solar TSM-NE19R-650](https://comparepv.com/panel/trina-solar-tsm-ne19r-650) | | Manufacturer | Trina Solar | Trina Solar | | Power | 640 Wp | 650 Wp | | Efficiency | 23.70 % | 24.10 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 640 | 650 | Difference | | --- | --- | --- | --- | | Module efficiency | 23.70 % | 24.10 % | +0.40 pp for 650 | | Power density | 236.9 Wp/m² | 240.6 Wp/m² | +3.7 Wp/m² for 650 | | Rated power | 640 Wp | 650 Wp | +10 W for 650 | ## Every compared parameter | Parameter | 640 | 650 | | --- | --- | --- | | Rated power | 640 Wp | 650 Wp | | Module efficiency | 23.70 % | 24.10 % | | Power density | 236.9 Wp/m² | 240.6 Wp/m² | | Open-circuit voltage | 50.90 V | 51.50 V | | Voltage at max power | 42.60 V | 43.20 V | | Short-circuit current | 15.97 A | 16.01 A | | Current at max power | 15.03 A | 15.05 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2382x1134x30 mm | 2382x1134x30 mm | | Module area | 2.701 m² | 2.701 m² | | Weight | 27.9 kg | 27.9 kg | | Weight per kWp | 43.6 kg/kWp | 42.9 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | No | No | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other. - **Cumulative output, 640:** 21,473 kWh - **Cumulative output, 650:** 21,809 kWh - **Gap:** 336 kWh ## Output when hot | Condition | Cell temperature | 640 | 650 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 640 W | 650 W | 100.0% of rated power | | Cool, bright day | 40 °C | 612 W | 622 W | 95.7% of rated power | | Typical summer roof | 55 °C | 584 W | 593 W | 91.3% of rated power | | Hot roof | 70 °C | 556 W | 565 W | 87.0% of rated power | ## Against the whole database | Measure | 640 | 650 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #517 | #219 | 14,005 | 650 leads by 298 places | | Power density | #521 | #233 | 14,005 | 650 leads by 288 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #313 | #256 | 14,005 | 650 leads by 57 places | | Warranty | #9,798 | #9,798 | 14,005 | Tied - the same position in the database | | Overall | #2,062 | #1,603 | 14,005 | 650 leads by 459 places | ## Questions ### Which panel is better: Trina Solar TSM-NE19R-640 or Trina Solar TSM-NE19R-650? According to our database: **Trina Solar TSM-NE19R-650** has higher module efficiency (**24.10%** vs **23.70%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Trina Solar TSM-NE19R-640 and Trina Solar TSM-NE19R-650? **Trina Solar TSM-NE19R-640** has a module efficiency of **23.70%**, while **Trina Solar TSM-NE19R-650** is **24.10%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Trina Solar TSM-NE19R-640 use vs Trina Solar TSM-NE19R-650? **Trina Solar TSM-NE19R-640** uses **TOPCon** cells; **Trina Solar TSM-NE19R-650** uses **TOPCon**. Modern **n-type** technologies (**TOPCon**, **HJT**, BC) typically deliver higher efficiency and lower degradation compared to older **PERC** (p-type) cells. ### What is the warranty on Trina Solar TSM-NE19R-640 and Trina Solar TSM-NE19R-650? **Trina Solar TSM-NE19R-640** has a **25 years** power warranty; **Trina Solar TSM-NE19R-650** has a **25 years** power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80**-87%**). Product (materials) warranties are usually shorter. ## Related comparisons - [Trina Solar TSM-NE19R-640 vs Trina Solar TSM-NEG19RC.20Q](https://comparepv.com/compare/trina-solar-tsm-ne19r-640/trina-solar-tsm-neg19rc-20q) - 12 differences, the largest is module efficiency - [Trina Solar TSM-NE19R-640 vs Trina Solar TSM-NEG19RC.20-650](https://comparepv.com/compare/trina-solar-tsm-ne19r-640/trina-solar-co-ltd-tsm-neg19rc-20-650) - 11 differences, the largest is performance warranty - [Trina Solar TSM-NE19R-640 vs Trina Solar TSM-NEG19RC.20-645](https://comparepv.com/compare/trina-solar-tsm-ne19r-640/trina-solar-co-ltd-tsm-neg19rc-20-645) - 9 differences, the largest is performance warranty - [Trina Solar TSM-NE19R-640 vs Trina Solar TSM-NED19RC.20](https://comparepv.com/compare/trina-solar-tsm-ne19r-640/trina-solar-tsm-ned19rc-20) - 9 differences, the largest is performance warranty - [Trina Solar TSM-NE19R-640 vs Trina Solar TSM-NE19R-645](https://comparepv.com/compare/trina-solar-tsm-ne19r-640/trina-solar-tsm-ne19r-645) - The same specification on paper - [Trina Solar TSM-NE19R-640 vs Trina Solar TSM-NEG19RC.20-640](https://comparepv.com/compare/trina-solar-tsm-ne19r-640/trina-solar-co-ltd-tsm-neg19rc-20-640) - 8 differences, the largest is performance warranty --- Source: https://comparepv.com/compare/trina-solar-tsm-ne19r-640/trina-solar-tsm-ne19r-650 Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.