--- title: "Luxor Solar LX-720M/210-132+ GG vs Tongwei TWMNF-66HD - Solar Panel Comparison | ComparePV" description: "Compare Luxor Solar LX-720M/210-132+ GG vs Tongwei TWMNF-66HD side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/luxor-solar-lx-720m-210-132-gg-1/tongwei-twmnf-66hd" updated: 2026-09-11 --- # Luxor Solar LX-720M/210-132+ GG vs Tongwei TWMNF-66HD LX-720M/210-132+ GG leads on the differences that matter The largest is temperature coefficient: 0.040 %/°C better in heat. 9 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Luxor Solar LX-720M/210-132+ GG](https://comparepv.com/panel/luxor-solar-lx-720m-210-132-gg-1) | [Tongwei TWMNF-66HD](https://comparepv.com/panel/tongwei-twmnf-66hd) | | Manufacturer | Luxor Solar | Tongwei | | Power | 720 Wp | 715 Wp | | Efficiency | 23.39 % | 23.00 % | | Technology | HJT | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | LX-720M/210-132+ GG | TWMNF-66HD | Difference | | --- | --- | --- | --- | | Temperature coefficient | -0.240 %/°C | -0.280 %/°C | +0.040 %/°C for LX-720M/210-132+ GG | | Product warranty | 30 yrs | 15 yrs | +15 yrs for LX-720M/210-132+ GG | | Module efficiency | 23.39 % | 23.00 % | +0.39 pp for LX-720M/210-132+ GG | | Cell technology | HJT | TOPCon | HJT vs TOPCon | | Open-circuit voltage | 51.39 V | 49.11 V | 2.28 V apart | | Short-circuit current | 17.54 A | 18.50 A | 0.96 A apart | | Voltage at max power | 43.68 V | 40.86 V | 2.82 V apart | | Current at max power | 16.49 A | 17.50 A | 1.01 A apart | | Dimensions | 2384x1303x35 mm | 2384x1303x33 mm | 2384x1303x35 mm vs 2384x1303x33 mm | ## Every compared parameter | Parameter | LX-720M/210-132+ GG | TWMNF-66HD | | --- | --- | --- | | Rated power | 720 Wp | 715 Wp | | Module efficiency | 23.39 % | 23.00 % | | Power density | 231.8 Wp/m² | 230.2 Wp/m² | | Open-circuit voltage | 51.39 V | 49.11 V | | Voltage at max power | 43.68 V | 40.86 V | | Short-circuit current | 17.54 A | 18.50 A | | Current at max power | 16.49 A | 17.50 A | | Temperature coefficient | -0.240 %/°C | -0.280 %/°C | | Dimensions | 2384x1303x35 mm | 2384x1303x33 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 38.7 kg | 37.9 kg | | Weight per kWp | 53.8 kg/kWp | 53.0 kg/kWp | | Product warranty | 30 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.21 %/yr | - | | Cell technology | HJT | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | Yes | Yes | ## Thirty-year yield A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year - **Cumulative output, LX-720M/210-132+ GG:** 24,157 kWh - **Cumulative output, TWMNF-66HD:** 23,990 kWh - **Gap:** 167 kWh ## Output when hot | Condition | Cell temperature | LX-720M/210-132+ GG | TWMNF-66HD | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 720 W | 715 W | 100.0% of rated power | | Cool, bright day | 40 °C | 694 W | 685 W | 95.8% of rated power | | Typical summer roof | 55 °C | 668 W | 655 W | 91.6% of rated power | | Hot roof | 70 °C | 642 W | 625 W | 87.4% of rated power | ## Against the whole database | Measure | LX-720M/210-132+ GG | TWMNF-66HD | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #925 | #1,919 | 14,005 | LX-720M/210-132+ GG leads by 994 places | | Power density | #1,347 | #2,018 | 14,005 | LX-720M/210-132+ GG leads by 671 places | | Heat behaviour | #13 | #1,309 | 14,005 | LX-720M/210-132+ GG leads by 1,296 places | | Weight | #7,805 | #6,744 | 14,005 | TWMNF-66HD leads by 1,061 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #17 | #450 | 14,005 | LX-720M/210-132+ GG leads by 433 places | ## Questions ### Which panel is better: Luxor Solar LX-720M/210-132+ GG or Tongwei TWMNF-66HD? According to our database: **Luxor Solar LX-720M/210-132+ GG** has higher module efficiency (**23.39%** vs **23.00%**); **Luxor Solar LX-720M/210-132+ GG** tolerates heat better (temp coeff **-0.240%/°C** vs **-0.280%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Luxor Solar LX-720M/210-132+ GG and Tongwei TWMNF-66HD? **Luxor Solar LX-720M/210-132+ GG** has a module efficiency of **23.39%**, while **Tongwei TWMNF-66HD** is **23.00%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Luxor Solar LX-720M/210-132+ GG use vs Tongwei TWMNF-66HD? **Luxor Solar LX-720M/210-132+ GG** uses **HJT** cells; **Tongwei TWMNF-66HD** 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 Luxor Solar LX-720M/210-132+ GG and Tongwei TWMNF-66HD? **Luxor Solar LX-720M/210-132+ GG** has a **30 years** power warranty; **Tongwei TWMNF-66HD** 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. ### Are Luxor Solar LX-720M/210-132+ GG and Tongwei TWMNF-66HD bifacial panels? Both **Luxor Solar LX-720M/210-132+ GG** and **Tongwei TWMNF-66HD** are bifacial - they capture reflected light from the ground, which can add 5**-15%** more annual energy on ground-mount or elevated rooftop installations with a light surface beneath. ## Related comparisons - [Luxor Solar LX-720M/210-132+ GG vs Luxor Solar LX-720M/210-132+GG](https://comparepv.com/compare/luxor-solar-lx-720m-210-132-gg-1/luxor-solar-lx-720m-210-132-gg) - The same specification on paper - [Luxor Solar LX-720M/210-132+ GG vs Luxor Solar LX-715M/210-132+GG](https://comparepv.com/compare/luxor-solar-lx-720m-210-132-gg-1/luxor-solar-lx-715m-210-132-gg) - The same specification on paper - [Luxor Solar LX-720M/210-132+ GG vs Luxor Solar LX-715M/210-132+ GG](https://comparepv.com/compare/luxor-solar-lx-720m-210-132-gg-1/luxor-solar-lx-715m-210-132-gg-1) - The same specification on paper - [Luxor Solar LX-720M/210-132+ GG vs Luxor Solar LX-710M/210-132+GG](https://comparepv.com/compare/luxor-solar-lx-720m-210-132-gg-1/luxor-solar-lx-710m-210-132-gg) - 3 differences, the largest is module efficiency - [Luxor Solar LX-720M/210-132+ GG vs Luxor Solar LX-710M/210-132+ GG](https://comparepv.com/compare/luxor-solar-lx-720m-210-132-gg-1/luxor-solar-lx-710m-210-132-gg-1) - 3 differences, the largest is module efficiency - [Luxor Solar LX-720M/210-132+ GG vs Luxor Solar LX-705M/210-132+GG](https://comparepv.com/compare/luxor-solar-lx-720m-210-132-gg-1/luxor-solar-lx-705m-210-132-gg) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/luxor-solar-lx-720m-210-132-gg-1/tongwei-twmnf-66hd 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.