--- title: "Longi Solar LR7-54HTH-455M vs Longi Solar LR7-54HTH-460M - Solar Panel Comparison | ComparePV" description: "Compare Longi Solar LR7-54HTH-455M vs Longi Solar LR7-54HTH-460M side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/longi-lr7-54hth-455m/longi-lr7-54hth-460m" updated: 2026-09-11 --- # Longi Solar LR7-54HTH-455M vs Longi Solar LR7-54HTH-460M 460M 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 | [Longi Solar LR7-54HTH-455M](https://comparepv.com/panel/longi-lr7-54hth-455m) | [Longi Solar LR7-54HTH-460M](https://comparepv.com/panel/longi-lr7-54hth-460m) | | Manufacturer | Longi Solar | Longi Solar | | Power | 455 Wp | 460 Wp | | Efficiency | 22.30 % | 22.50 % | | Technology | N-type | N-type | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 455M | 460M | Difference | | --- | --- | --- | --- | | Module efficiency | 22.30 % | 22.50 % | +0.20 pp for 460M | ## Every compared parameter | Parameter | 455M | 460M | | --- | --- | --- | | Rated power | 455 Wp | 460 Wp | | Module efficiency | 22.30 % | 22.50 % | | Power density | 222.9 Wp/m² | 225.4 Wp/m² | | Open-circuit voltage | 39.15 V | 39.35 V | | Voltage at max power | 32.98 V | 33.19 V | | Short-circuit current | 14.79 A | 14.86 A | | Current at max power | 13.80 A | 13.86 A | | Temperature coefficient | -0.280 %/°C | -0.280 %/°C | | Dimensions | 1800x1134x30 mm | 1800x1134x30 mm | | Module area | 2.041 m² | 2.041 m² | | Weight | 21.6 kg | 21.6 kg | | Weight per kWp | 47.5 kg/kWp | 47.0 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | N-type | N-type | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 108 | 108 | | 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 (-0.280 %/°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, 455M:** 15,266 kWh - **Cumulative output, 460M:** 15,434 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 455M | 460M | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 455 W | 460 W | 100.0% of rated power | | Cool, bright day | 40 °C | 436 W | 441 W | 95.8% of rated power | | Typical summer roof | 55 °C | 417 W | 421 W | 91.6% of rated power | | Hot roof | 70 °C | 398 W | 402 W | 87.4% of rated power | ## Against the whole database | Measure | 455M | 460M | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #5,100 | #4,222 | 14,005 | 460M leads by 878 places | | Power density | #5,100 | #3,974 | 14,005 | 460M leads by 1,126 places | | Heat behaviour | #1,309 | #1,309 | 14,005 | Tied - the same position in the database | | Weight | #1,700 | #1,421 | 14,005 | 460M leads by 279 places | | Warranty | #9,798 | #9,798 | 14,005 | Tied - the same position in the database | | Overall | #9,419 | #9,052 | 14,005 | 460M leads by 367 places | ## Questions ### Which panel is better: Longi Solar LR7-54HTH-455M or Longi Solar LR7-54HTH-460M? According to our database: **Longi Solar LR7-54HTH-460M** has higher module efficiency (**22.50%** vs **22.30%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Longi Solar LR7-54HTH-455M and Longi Solar LR7-54HTH-460M? **Longi Solar LR7-54HTH-455M** has a module efficiency of **22.30%**, while **Longi Solar LR7-54HTH-460M** is **22.50%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Longi Solar LR7-54HTH-455M use vs Longi Solar LR7-54HTH-460M? **Longi Solar LR7-54HTH-455M** uses **N-type** cells; **Longi Solar LR7-54HTH-460M** uses **N-type**. 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 Longi Solar LR7-54HTH-455M and Longi Solar LR7-54HTH-460M? **Longi Solar LR7-54HTH-455M** has a **25 years** power warranty; **Longi Solar LR7-54HTH-460M** 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 - [Longi Solar LR7-54HTH-455M vs Longi Solar LR7-54HTH-465M](https://comparepv.com/compare/longi-lr7-54hth-455m/longi-lr7-54hth-465m) - 3 differences, the largest is module efficiency - [Longi Solar LR7-54HTH-455M vs Longi Solar LR7-72HVHF-670M](https://comparepv.com/compare/longi-lr7-54hth-455m/longi-lr7-72hvhf-670m) - 15 differences, the largest is module efficiency - [Longi Solar LR7-54HTH-455M vs Longi Solar LR8-66HYD-670M](https://comparepv.com/compare/longi-lr7-54hth-455m/longi-lr8-66hyd-670m) - 17 differences, the largest is module efficiency - [Longi Solar LR7-54HTH-455M vs Longi Solar LR7-72HVH-670M](https://comparepv.com/compare/longi-lr7-54hth-455m/longi-lr7-72hvh-670m) - 15 differences, the largest is module efficiency - [Longi Solar LR7-54HTH-455M vs Longi Solar LR7-72HVHF-665M](https://comparepv.com/compare/longi-lr7-54hth-455m/longi-lr7-72hvhf-665m) - 15 differences, the largest is module efficiency - [Longi Solar LR7-54HTH-455M vs Longi Solar LR7-72HVDF-665M](https://comparepv.com/compare/longi-lr7-54hth-455m/longi-lr7-72hvdf-665m) - 16 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/longi-lr7-54hth-455m/longi-lr7-54hth-460m 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.