--- title: "Trina Solar TSM-NEG9R.28 455W vs Trina Solar TSM-NEG9R.28 460W - Solar Panel Comparison | ComparePV" description: "Compare Trina Solar TSM-NEG9R.28 455W vs Trina Solar TSM-NEG9R.28 460W 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-co-ltd-tsm-neg9r-28-455w-1/trina-solar-co-ltd-tsm-neg9r-28-460w-1" updated: 2026-09-11 --- # Trina Solar TSM-NEG9R.28 455W vs Trina Solar TSM-NEG9R.28 460W 460W leads on the differences that matter The largest is module efficiency: 0.20 pp more efficient. 18 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Trina Solar TSM-NEG9R.28 455W](https://comparepv.com/panel/trina-solar-co-ltd-tsm-neg9r-28-455w-1) | [Trina Solar TSM-NEG9R.28 460W](https://comparepv.com/panel/trina-solar-co-ltd-tsm-neg9r-28-460w-1) | | Manufacturer | Trina Solar | Trina Solar | | Power | 455 Wp | 460 Wp | | Efficiency | 22.80 % | 23.00 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 455W | 460W | Difference | | --- | --- | --- | --- | | Module efficiency | 22.80 % | 23.00 % | +0.20 pp for 460W | ## Every compared parameter | Parameter | 455W | 460W | | --- | --- | --- | | Rated power | 455 Wp | 460 Wp | | Module efficiency | 22.80 % | 23.00 % | | Power density | 227.7 Wp/m² | 230.2 Wp/m² | | Open-circuit voltage | 53.40 V | 53.80 V | | Voltage at max power | 45.00 V | 45.40 V | | Short-circuit current | 10.77 A | 10.81 A | | Current at max power | 10.11 A | 10.14 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 1762x1134x30 mm | 1762x1134x30 mm | | Module area | 1.998 m² | 1.998 m² | | Weight | 21.0 kg | 21.0 kg | | Weight per kWp | 46.2 kg/kWp | 45.7 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 144 | | 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, 455W:** 15,266 kWh - **Cumulative output, 460W:** 15,434 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 455W | 460W | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 455 W | 460 W | 100.0% of rated power | | Cool, bright day | 40 °C | 435 W | 440 W | 95.7% of rated power | | Typical summer roof | 55 °C | 415 W | 420 W | 91.3% of rated power | | Hot roof | 70 °C | 396 W | 400 W | 87.0% of rated power | ## Against the whole database | Measure | 455W | 460W | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #2,714 | #1,919 | 14,005 | 460W leads by 795 places | | Power density | #2,888 | #1,876 | 14,005 | 460W leads by 1,012 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #1,016 | #805 | 14,005 | 460W leads by 211 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #7,730 | #7,286 | 14,005 | 460W leads by 444 places | ## Questions ### Which panel is better: Trina Solar TSM-NEG9R.28 455W or Trina Solar TSM-NEG9R.28 460W? According to our database: **Trina Solar TSM-NEG9R.28 **460 W**** has higher module efficiency (**23.00%** vs **22.80%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Trina Solar TSM-NEG9R.28 455W and Trina Solar TSM-NEG9R.28 460W? **Trina Solar TSM-NEG9R.28 **455 W**** has a module efficiency of **22.80%**, while **Trina Solar TSM-NEG9R.28 **460 W**** is **23.00%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Trina Solar TSM-NEG9R.28 455W use vs Trina Solar TSM-NEG9R.28 460W? **Trina Solar TSM-NEG9R.28 **455 W**** uses **TOPCon** cells; **Trina Solar TSM-NEG9R.28 **460 W**** 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-NEG9R.28 455W and Trina Solar TSM-NEG9R.28 460W? **Trina Solar TSM-NEG9R.28 **455 W**** has a **30 years** power warranty; **Trina Solar TSM-NEG9R.28 **460 W**** has a **30 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-NEG9R.28 455W vs Trina Solar TSM-470NED9R.28](https://comparepv.com/compare/trina-solar-co-ltd-tsm-neg9r-28-455w-1/trina-solar-tsm-470ned9r-28) - 8 differences, the largest is module efficiency - [Trina Solar TSM-NEG9R.28 455W vs Trina Solar TSM-465NED9R.28](https://comparepv.com/compare/trina-solar-co-ltd-tsm-neg9r-28-455w-1/trina-solar-tsm-465ned9r-28) - 6 differences, the largest is module efficiency - [Trina Solar TSM-NEG9R.28 455W vs Trina Solar TSM-NEG9R.28-460](https://comparepv.com/compare/trina-solar-co-ltd-tsm-neg9r-28-455w-1/trina-solar-co-ltd-tsm-neg9r-28-460-1) - One difference: module efficiency - [Trina Solar TSM-NEG9R.28 455W vs Trina Solar TSM-460NEG9R.28](https://comparepv.com/compare/trina-solar-co-ltd-tsm-neg9r-28-455w-1/trina-solar-tsm-460neg9r-28) - 3 differences, the largest is product warranty - [Trina Solar TSM-NEG9R.28 455W vs Trina Solar TSM-460 NEG9R.28](https://comparepv.com/compare/trina-solar-co-ltd-tsm-neg9r-28-455w-1/trina-solar-tsm-460-neg9r-28) - 3 differences, the largest is product warranty - [Trina Solar TSM-NEG9R.28 455W vs Trina Solar TSM-460NED9R.28](https://comparepv.com/compare/trina-solar-co-ltd-tsm-neg9r-28-455w-1/trina-solar-tsm-460ned9r-28) - 4 differences, the largest is weight --- Source: https://comparepv.com/compare/trina-solar-co-ltd-tsm-neg9r-28-455w-1/trina-solar-co-ltd-tsm-neg9r-28-460w-1 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.