--- title: "Gamko New Energy GKA210N132-720W vs Gamko New Energy GKA210N132-730 - Solar Panel Comparison | ComparePV" description: "Compare Gamko New Energy GKA210N132-720W vs Gamko New Energy GKA210N132-730 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-gka210n132-720w/gamko-new-energy-gka210n132-730" image: "https://comparepv.com/og/compare/panels/gamko-new-energy-gka210n132-720w/gamko-new-energy-gka210n132-730.png" updated: 2026-09-11 --- # Gamko New Energy GKA210N132-720W vs Gamko New Energy GKA210N132-730 730 leads on the differences that matter The largest is module efficiency: 0.32 pp more efficient. 15 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Gamko New Energy GKA210N132-720W](https://comparepv.com/panel/gamko-new-energy-gka210n132-720w) | [Gamko New Energy GKA210N132-730](https://comparepv.com/panel/gamko-new-energy-gka210n132-730) | | Manufacturer | Gamko New Energy | Gamko New Energy | | Power | 720 Wp | 730 Wp | | Efficiency | 23.18 % | 23.50 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 720W | 730 | Difference | | --- | --- | --- | --- | | Module efficiency | 23.18 % | 23.50 % | +0.32 pp for 730 | | Power density | 231.8 Wp/m² | 235.0 Wp/m² | +3.2 Wp/m² for 730 | | Rated power | 720 Wp | 730 Wp | +10 W for 730 | | Dimensions | 2384x1303x30 mm | 2384x1303x33 mm | 2384x1303x30 mm vs 2384x1303x33 mm | ## Every compared parameter | Parameter | 720W | 730 | | --- | --- | --- | | Rated power | 720 Wp | 730 Wp | | Module efficiency | 23.18 % | 23.50 % | | Power density | 231.8 Wp/m² | 235.0 Wp/m² | | Open-circuit voltage | 47.11 V | 47.51 V | | Voltage at max power | 38.91 V | 39.59 V | | Short-circuit current | 19.43 A | 19.36 A | | Current at max power | 18.50 A | 18.44 A | | Temperature coefficient | -0.340 %/°C | -0.340 %/°C | | Dimensions | 2384x1303x30 mm | 2384x1303x33 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 32.0 kg | 32.0 kg | | Weight per kWp | 44.4 kg/kWp | 43.8 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.46 %/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, 720W:** 23,692 kWh - **Cumulative output, 730:** 24,040 kWh - **Gap:** 348 kWh ## Output when hot | Condition | Cell temperature | 720W | 730 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 720 W | 730 W | 100.0% of rated power | | Cool, bright day | 40 °C | 683 W | 693 W | 94.9% of rated power | | Typical summer roof | 55 °C | 647 W | 656 W | 89.8% of rated power | | Hot roof | 70 °C | 610 W | 618 W | 84.7% of rated power | ## Against the whole database | Measure | 720W | 730 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #1,468 | #749 | 14,129 | 730 leads by 719 places | | Power density | #1,390 | #836 | 14,129 | 730 leads by 554 places | | Heat behaviour | #8,846 | #8,846 | 14,129 | Tied - the same position in the database | | Weight | #447 | #350 | 14,129 | 730 leads by 97 places | | Warranty | #21 | #21 | 14,129 | Tied - the same position in the database | | Overall | #510 | #288 | 14,129 | 730 leads by 222 places | ## Questions ### Which panel is better: Gamko New Energy GKA210N132-720W or Gamko New Energy GKA210N132-730? According to our database: **Gamko New Energy GKA210N132-730** has higher module efficiency (**23.50%** vs **23.18%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Gamko New Energy GKA210N132-720W and Gamko New Energy GKA210N132-730? **Gamko New Energy GKA210N132-**720 W**** has a module efficiency of **23.18%**, while **Gamko New Energy GKA210N132-730** is **23.50%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Gamko New Energy GKA210N132-720W use vs Gamko New Energy GKA210N132-730? **Gamko New Energy GKA210N132-**720 W**** uses **TOPCon** cells; **Gamko New Energy GKA210N132-730** 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 GKA210N132-720W and Gamko New Energy GKA210N132-730? **Gamko New Energy GKA210N132-**720 W**** has a **30 years** power warranty; **Gamko New Energy GKA210N132-730** 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 GKA210N132-720W and Gamko New Energy GKA210N132-730 bifacial panels? Both **Gamko New Energy GKA210N132-**720 W**** and **Gamko New Energy GKA210N132-730** 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 GKA210N132-720W vs Gamko New Energy GKA210N132](https://comparepv.com/compare/gamko-new-energy-gka210n132-720w/gamko-new-energy-gka210n132) - 6 differences, the largest is module efficiency - [Gamko New Energy GKA210N132-720W vs Gamko New Energy GKA210N132-750](https://comparepv.com/compare/gamko-new-energy-gka210n132-720w/gamko-new-energy-gka210n132-750) - 6 differences, the largest is module efficiency - [Gamko New Energy GKA210N132-720W vs Gamko New Energy GKA210N132-745](https://comparepv.com/compare/gamko-new-energy-gka210n132-720w/gamko-new-energy-gka210n132-745) - 6 differences, the largest is module efficiency - [Gamko New Energy GKA210N132-720W vs Gamko New Energy GKA210N132-740](https://comparepv.com/compare/gamko-new-energy-gka210n132-720w/gamko-new-energy-gka210n132-740) - 5 differences, the largest is module efficiency - [Gamko New Energy GKA210N132-720W vs Gamko New Energy GKA210N132-735](https://comparepv.com/compare/gamko-new-energy-gka210n132-720w/gamko-new-energy-gka210n132-735) - 4 differences, the largest is module efficiency - [Gamko New Energy GKA210N132-720W vs Gamko New Energy GKA210N132-720W (series)](https://comparepv.com/compare/gamko-new-energy-gka210n132-720w/gamko-new-energy-gka210n132-720w-series) - The same specification on paper --- Source: https://comparepv.com/compare/gamko-new-energy-gka210n132-720w/gamko-new-energy-gka210n132-730 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.