--- title: "Gamko New Energy GKA210N132-745 vs Gamko New Energy GKA210N132-750 - Solar Panel Comparison | ComparePV" description: "Compare Gamko New Energy GKA210N132-745 vs Gamko New Energy GKA210N132-750 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/gamko-new-energy-gka210n132-745/gamko-new-energy-gka210n132-750" image: "https://comparepv.com/og/compare/panels/gamko-new-energy-gka210n132-745/gamko-new-energy-gka210n132-750.png" updated: 2026-09-11 --- # Gamko New Energy GKA210N132-745 vs Gamko New Energy GKA210N132-750 Identical on every published parameter All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Gamko New Energy GKA210N132-745](https://comparepv.com/panel/gamko-new-energy-gka210n132-745) | [Gamko New Energy GKA210N132-750](https://comparepv.com/panel/gamko-new-energy-gka210n132-750) | | Manufacturer | Gamko New Energy | Gamko New Energy | | Power | 745 Wp | 750 Wp | | Efficiency | 23.98 % | 24.14 % | | Technology | TOPCon | TOPCon | ## Every compared parameter | Parameter | 745 | 750 | | --- | --- | --- | | Rated power | 745 Wp | 750 Wp | | Module efficiency | 23.98 % | 24.14 % | | Power density | 239.8 Wp/m² | 241.4 Wp/m² | | Open-circuit voltage | 48.17 V | 48.41 V | | Voltage at max power | 40.14 V | 40.34 V | | Short-circuit current | 19.49 A | 19.52 A | | Current at max power | 18.56 A | 18.59 A | | Temperature coefficient | -0.340 %/°C | -0.340 %/°C | | Dimensions | 2384x1303x33 mm | 2384x1303x33 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 32.0 kg | 32.0 kg | | Weight per kWp | 43.0 kg/kWp | 42.7 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.45 %/yr | 0.45 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | Yes | Yes | ## Thirty-year yield Each panel's own declared degradation curve, 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, 745:** 24,534 kWh - **Cumulative output, 750:** 24,698 kWh - **Gap:** 164 kWh ## Output when hot | Condition | Cell temperature | 745 | 750 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 745 W | 750 W | 100.0% of rated power | | Cool, bright day | 40 °C | 707 W | 712 W | 94.9% of rated power | | Typical summer roof | 55 °C | 669 W | 674 W | 89.8% of rated power | | Hot roof | 70 °C | 631 W | 635 W | 84.7% of rated power | ## Against the whole database | Measure | 745 | 750 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #376 | #238 | 14,129 | 750 leads by 138 places | | Power density | #366 | #241 | 14,129 | 750 leads by 125 places | | Heat behaviour | #8,846 | #8,846 | 14,129 | Tied - the same position in the database | | Weight | #257 | #234 | 14,129 | 750 leads by 23 places | | Warranty | #21 | #21 | 14,129 | Tied - the same position in the database | | Overall | #144 | #110 | 14,129 | 750 leads by 34 places | ## Questions ### Which panel is better: Gamko New Energy GKA210N132-745 or Gamko New Energy GKA210N132-750? According to our database: **Gamko New Energy GKA210N132-750** has higher module efficiency (**24.14%** vs **23.98%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Gamko New Energy GKA210N132-745 and Gamko New Energy GKA210N132-750? **Gamko New Energy GKA210N132-745** has a module efficiency of **23.98%**, while **Gamko New Energy GKA210N132-750** is **24.14%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Gamko New Energy GKA210N132-745 use vs Gamko New Energy GKA210N132-750? **Gamko New Energy GKA210N132-745** uses **TOPCon** cells; **Gamko New Energy GKA210N132-750** 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 Gamko New Energy GKA210N132-745 and Gamko New Energy GKA210N132-750? **Gamko New Energy GKA210N132-745** has a **30 years** power warranty; **Gamko New Energy GKA210N132-750** 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 Gamko New Energy GKA210N132-745 and Gamko New Energy GKA210N132-750 bifacial panels? Both **Gamko New Energy GKA210N132-745** and **Gamko New Energy GKA210N132-750** 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 - [Gamko New Energy GKA210N132-745 vs Gamko New Energy GKA210N132](https://comparepv.com/compare/gamko-new-energy-gka210n132-745/gamko-new-energy-gka210n132) - The same specification on paper - [Gamko New Energy GKA210N132-745 vs Gamko New Energy GKA210N132-740](https://comparepv.com/compare/gamko-new-energy-gka210n132-745/gamko-new-energy-gka210n132-740) - The same specification on paper - [Gamko New Energy GKA210N132-745 vs Gamko New Energy GKA210N132-735](https://comparepv.com/compare/gamko-new-energy-gka210n132-745/gamko-new-energy-gka210n132-735) - 3 differences, the largest is module efficiency - [Gamko New Energy GKA210N132-745 vs Gamko New Energy GKA210N132-730](https://comparepv.com/compare/gamko-new-energy-gka210n132-745/gamko-new-energy-gka210n132-730) - 3 differences, the largest is module efficiency - [Gamko New Energy GKA210N132-745 vs Gamko New Energy GKA210N132-720W (series)](https://comparepv.com/compare/gamko-new-energy-gka210n132-745/gamko-new-energy-gka210n132-720w-series) - 6 differences, the largest is module efficiency - [Gamko New Energy GKA210N132-745 vs Gamko New Energy GKA210N132-720W](https://comparepv.com/compare/gamko-new-energy-gka210n132-745/gamko-new-energy-gka210n132-720w) - 6 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/gamko-new-energy-gka210n132-745/gamko-new-energy-gka210n132-750 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.