--- title: "Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 370 Wp - Solar Panel Comparison | ComparePV" description: "Compare Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 370 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-gm-3-0-style-370-wp" updated: 2026-09-11 --- # Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 370 Wp 370 Wp leads on the differences that matter The largest is module efficiency: 0.30 pp more efficient. 17 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 GM 3.0 style 370 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-gm-3-0-style-370-wp) | | Manufacturer | Solarwatt | Solarwatt | | Power | 365 Wp | 370 Wp | | Efficiency | 19.60 % | 19.90 % | | Technology | PERC | PERC | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 365 Wp | 370 Wp | Difference | | --- | --- | --- | --- | | Module efficiency | 19.60 % | 19.90 % | +0.30 pp for 370 Wp | ## Every compared parameter | Parameter | 365 Wp | 370 Wp | | --- | --- | --- | | Rated power | 365 Wp | 370 Wp | | Module efficiency | 19.60 % | 19.90 % | | Power density | 194.9 Wp/m² | 197.6 Wp/m² | | Open-circuit voltage | 41.40 V | 41.50 V | | Voltage at max power | 35.00 V | 35.50 V | | Short-circuit current | 11.10 A | 11.10 A | | Current at max power | 10.50 A | 10.50 A | | Temperature coefficient | -0.340 %/°C | -0.340 %/°C | | Dimensions | 1780x1052x40 mm | 1780x1052x40 mm | | Module area | 1.873 m² | 1.873 m² | | Weight | 25.0 kg | 25.0 kg | | Weight per kWp | 68.5 kg/kWp | 67.6 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | - | - | | Cell technology | PERC | PERC | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 120 | 120 | | 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 Same temp coeff. for both panels (-0.340 %/°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, 365 Wp:** 12,246 kWh - **Cumulative output, 370 Wp:** 12,414 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 365 Wp | 370 Wp | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 365 W | 370 W | 100.0% of rated power | | Cool, bright day | 40 °C | 346 W | 351 W | 94.9% of rated power | | Typical summer roof | 55 °C | 328 W | 332 W | 89.8% of rated power | | Hot roof | 70 °C | 309 W | 313 W | 84.7% of rated power | ## Against the whole database | Measure | 365 Wp | 370 Wp | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #12,589 | #12,331 | 14,005 | 370 Wp leads by 258 places | | Power density | #12,658 | #12,456 | 14,005 | 370 Wp leads by 202 places | | Heat behaviour | #8,778 | #8,778 | 14,005 | Tied - the same position in the database | | Weight | #13,326 | #13,253 | 14,005 | 370 Wp leads by 73 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #10,932 | #10,604 | 14,005 | 370 Wp leads by 328 places | ## Questions ### Which panel is better: Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp or Solarwatt SOLARWATT Panel vision GM 3.0 style 370 Wp? According to our database: **Solarwatt SOLARWATT Panel vision GM 3.0 style **370 Wp**** has higher module efficiency (**19.90%** vs **19.60%**). 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 GM 3.0 style 370 Wp? **Solarwatt SOLARWATT Panel vision GM 3.0 style **365 Wp**** has a module efficiency of **19.60%**, while **Solarwatt SOLARWATT Panel vision GM 3.0 style **370 Wp**** is **19.90%**. 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 GM 3.0 style 370 Wp? **Solarwatt SOLARWATT Panel vision GM 3.0 style **365 Wp**** uses **PERC** cells; **Solarwatt SOLARWATT Panel vision GM 3.0 style **370 Wp**** uses **PERC**. 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 GM 3.0 style 370 Wp? **Solarwatt SOLARWATT Panel vision GM 3.0 style **365 Wp**** has a **30 years** power warranty; **Solarwatt SOLARWATT Panel vision GM 3.0 style **370 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 GM 3.0 style 370 Wp bifacial panels? Both **Solarwatt SOLARWATT Panel vision GM 3.0 style **365 Wp**** and **Solarwatt SOLARWATT Panel vision GM 3.0 style **370 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 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 GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision M 5.0 460 Wp](https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp/solarwatt-solarwatt-panel-vision-m-5-0-460-wp) - 13 differences, the largest is module efficiency - [Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision M 5.0 455 Wp](https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp/solarwatt-solarwatt-panel-vision-m-5-0-455-wp) - 13 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/solarwatt-solarwatt-panel-vision-gm-3-0-style-365-wp/solarwatt-solarwatt-panel-vision-gm-3-0-style-370-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.