--- title: "Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision M 5.0 455 Wp - Solar Panel Comparison | ComparePV" description: "Compare Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision M 5.0 455 Wp side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp/solarwatt-solarwatt-panel-vision-m-5-0-455-wp" updated: 2026-09-11 --- # Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision M 5.0 455 Wp M 5.0 455 Wp leads on the differences that matter The largest is module efficiency: 3.20 pp more efficient. 5 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 | [Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp) | [Solarwatt SOLARWATT Panel vision M 5.0 455 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-455-wp) | | Manufacturer | Solarwatt | Solarwatt | | Power | 365 Wp | 455 Wp | | Efficiency | 19.60 % | 22.80 % | | Technology | PERC | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | GM 3.0 style 365 Wp | M 5.0 455 Wp | Difference | | --- | --- | --- | --- | | Module efficiency | 19.60 % | 22.80 % | +3.20 pp for M 5.0 455 Wp | | Temperature coefficient | -0.340 %/°C | -0.290 %/°C | +0.050 %/°C for M 5.0 455 Wp | | Rated power | 365 Wp | 455 Wp | +90 W for M 5.0 455 Wp | | Power density | 194.9 Wp/m² | 227.7 Wp/m² | +32.8 Wp/m² for M 5.0 455 Wp | | Weight per kWp | 68.5 kg/kWp | 54.5 kg/kWp | -14.0 kg/kWp for M 5.0 455 Wp | | Short-circuit current | 11.10 A | 14.10 A | 3.00 A apart | | Module area | 1.873 m² | 1.998 m² | 0.126 m² apart | | Cell technology | PERC | TOPCon | PERC vs TOPCon | | Current at max power | 10.50 A | 13.60 A | 3.10 A apart | | Cell count | 120 | 108 | 12 cells apart | | Open-circuit voltage | 41.40 V | 40.00 V | 1.40 V apart | | Dimensions | 1780x1052x40 mm | 1762x1134x35 mm | 1780x1052x40 mm vs 1762x1134x35 mm | | Voltage at max power | 35.00 V | 33.40 V | 1.60 V apart | ## Every compared parameter | Parameter | GM 3.0 style 365 Wp | M 5.0 455 Wp | | --- | --- | --- | | Rated power | 365 Wp | 455 Wp | | Module efficiency | 19.60 % | 22.80 % | | Power density | 194.9 Wp/m² | 227.7 Wp/m² | | Open-circuit voltage | 41.40 V | 40.00 V | | Voltage at max power | 35.00 V | 33.40 V | | Short-circuit current | 11.10 A | 14.10 A | | Current at max power | 10.50 A | 13.60 A | | Temperature coefficient | -0.340 %/°C | -0.290 %/°C | | Dimensions | 1780x1052x40 mm | 1762x1134x35 mm | | Module area | 1.873 m² | 1.998 m² | | Weight | 25.0 kg | 24.8 kg | | Weight per kWp | 68.5 kg/kWp | 54.5 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | - | - | | Cell technology | PERC | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 120 | 108 | | 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, GM 3.0 style 365 Wp:** 12,246 kWh - **Cumulative output, M 5.0 455 Wp:** 15,266 kWh - **Gap:** 3,020 kWh ## Output when hot | Condition | Cell temperature | GM 3.0 style 365 Wp | M 5.0 455 Wp | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 365 W | 455 W | 100.0% of rated power | | Cool, bright day | 40 °C | 346 W | 435 W | 94.9% of rated power | | Typical summer roof | 55 °C | 328 W | 415 W | 89.8% of rated power | | Hot roof | 70 °C | 309 W | 396 W | 84.7% of rated power | ## Against the whole database | Measure | GM 3.0 style 365 Wp | M 5.0 455 Wp | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #12,589 | #2,714 | 14,005 | M 5.0 455 Wp leads by 9,875 places | | Power density | #12,658 | #2,888 | 14,005 | M 5.0 455 Wp leads by 9,770 places | | Heat behaviour | #8,778 | #2,165 | 14,005 | M 5.0 455 Wp leads by 6,613 places | | Weight | #13,326 | #8,839 | 14,005 | M 5.0 455 Wp leads by 4,487 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #10,932 | #4,712 | 14,005 | M 5.0 455 Wp leads by 6,220 places | ## Questions ### Which panel is better: Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp or Solarwatt SOLARWATT Panel vision M 5.0 455 Wp? According to our database: **Solarwatt SOLARWATT Panel vision M 5.0 **455 Wp**** has higher module efficiency (**22.80%** vs **19.60%**); **Solarwatt SOLARWATT Panel vision M 5.0 **455 Wp**** tolerates heat better (temp coeff **-0.290%/°C** vs **-0.340%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp and Solarwatt SOLARWATT Panel vision M 5.0 455 Wp? **Solarwatt SOLARWATT Panel vision GM 3.0 style **365 Wp**** has a module efficiency of **19.60%**, while **Solarwatt SOLARWATT Panel vision M 5.0 **455 Wp**** is **22.80%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp use vs Solarwatt SOLARWATT Panel vision M 5.0 455 Wp? **Solarwatt SOLARWATT Panel vision GM 3.0 style **365 Wp**** uses **PERC** cells; **Solarwatt SOLARWATT Panel vision M 5.0 **455 Wp**** 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 Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp and Solarwatt SOLARWATT Panel vision M 5.0 455 Wp? **Solarwatt SOLARWATT Panel vision GM 3.0 style **365 Wp**** has a **30 years** power warranty; **Solarwatt SOLARWATT Panel vision M 5.0 **455 Wp**** 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 Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp and Solarwatt SOLARWATT Panel vision M 5.0 455 Wp bifacial panels? Both **Solarwatt SOLARWATT Panel vision GM 3.0 style **365 Wp**** and **Solarwatt SOLARWATT Panel vision M 5.0 **455 Wp**** 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 - [Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 370](https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp/solarwatt-solarwatt-panel-vision-gm-3-0-style-370) - One difference: module efficiency - [Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 370 Wp](https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp/solarwatt-solarwatt-panel-vision-gm-3-0-style-370-wp) - One difference: module efficiency - [Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 365](https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp/solarwatt-solarwatt-panel-vision-gm-3-0-style-365) - The same specification on paper - [Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 360](https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp/solarwatt-solarwatt-panel-vision-gm-3-0-style-360) - One difference: module efficiency - [Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 360 Wp](https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp/solarwatt-solarwatt-panel-vision-gm-3-0-style-360-wp) - One difference: module efficiency - [Solarwatt SOLARWATT Panel vision M 5.0 455 Wp vs Solarwatt SOLARWATT Panel vision M 5.0 460 Wp](https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-m-5-0-455-wp/solarwatt-solarwatt-panel-vision-m-5-0-460-wp) - One difference: module efficiency --- Source: https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp/solarwatt-solarwatt-panel-vision-m-5-0-455-wp 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.