--- title: "Resun Solar RS9H-M-DG-690 vs Resun Solar RS9H-M-DG-710 - Solar Panel Comparison | ComparePV" description: "Compare Resun Solar RS9H-M-DG-690 vs Resun Solar RS9H-M-DG-710 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/resun-solar-rs9h-m-dg-690/resun-solar-rs9h-m-dg-710" updated: 2026-09-11 --- # Resun Solar RS9H-M-DG-690 vs Resun Solar RS9H-M-DG-710 710 leads on the differences that matter The largest is module efficiency: 0.65 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Resun Solar RS9H-M-DG-690](https://comparepv.com/panel/resun-solar-rs9h-m-dg-690) | [Resun Solar RS9H-M-DG-710](https://comparepv.com/panel/resun-solar-rs9h-m-dg-710) | | Manufacturer | Resun Solar | Resun Solar | | Power | 690 Wp | 710 Wp | | Efficiency | 22.21 % | 22.86 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 690 | 710 | Difference | | --- | --- | --- | --- | | Module efficiency | 22.21 % | 22.86 % | +0.65 pp for 710 | | Power density | 222.1 Wp/m² | 228.6 Wp/m² | +6.4 Wp/m² for 710 | | Rated power | 690 Wp | 710 Wp | +20 W for 710 | ## Every compared parameter | Parameter | 690 | 710 | | --- | --- | --- | | Rated power | 690 Wp | 710 Wp | | Module efficiency | 22.21 % | 22.86 % | | Power density | 222.1 Wp/m² | 228.6 Wp/m² | | Open-circuit voltage | 48.10 V | 49.00 V | | Voltage at max power | 40.10 V | 40.90 V | | Short-circuit current | 18.24 A | 18.40 A | | Current at max power | 17.21 A | 17.36 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 2384x1303x35 mm | 2384x1303x35 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 38.5 kg | 38.5 kg | | Weight per kWp | 55.8 kg/kWp | 54.2 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.50 %/yr | 0.50 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | Yes | Yes | ## Thirty-year yield Declared annual degradation, with a 1.0% first-year loss assumed for both panels because at least one datasheet omits it, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.300 %/°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, 690:** 22,791 kWh - **Cumulative output, 710:** 23,451 kWh - **Gap:** 660 kWh ## Output when hot | Condition | Cell temperature | 690 | 710 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 690 W | 710 W | 100.0% of rated power | | Cool, bright day | 40 °C | 659 W | 678 W | 95.5% of rated power | | Typical summer roof | 55 °C | 628 W | 646 W | 91.0% of rated power | | Hot roof | 70 °C | 597 W | 614 W | 86.5% of rated power | ## Against the whole database | Measure | 690 | 710 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #5,754 | #2,536 | 14,005 | 710 leads by 3,218 places | | Power density | #5,734 | #2,474 | 14,005 | 710 leads by 3,260 places | | Heat behaviour | #6,093 | #6,093 | 14,005 | Tied - the same position in the database | | Weight | #10,180 | #8,457 | 14,005 | 710 leads by 1,723 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #1,286 | #618 | 14,005 | 710 leads by 668 places | ## Questions ### Which panel is better: Resun Solar RS9H-M-DG-690 or Resun Solar RS9H-M-DG-710? According to our database: **Resun Solar RS9H-M-DG-710** has higher module efficiency (**22.86%** vs **22.21%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Resun Solar RS9H-M-DG-690 and Resun Solar RS9H-M-DG-710? **Resun Solar RS9H-M-DG-690** has a module efficiency of **22.21%**, while **Resun Solar RS9H-M-DG-710** is **22.86%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Resun Solar RS9H-M-DG-690 use vs Resun Solar RS9H-M-DG-710? **Resun Solar RS9H-M-DG-690** uses **TOPCon** cells; **Resun Solar RS9H-M-DG-710** 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 Resun Solar RS9H-M-DG-690 and Resun Solar RS9H-M-DG-710? **Resun Solar RS9H-M-DG-690** has a **30 years** power warranty; **Resun Solar RS9H-M-DG-710** 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 Resun Solar RS9H-M-DG-690 and Resun Solar RS9H-M-DG-710 bifacial panels? Both **Resun Solar RS9H-M-DG-690** and **Resun Solar RS9H-M-DG-710** 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 - [Resun Solar RS9H-M-DG-690 vs Resun Solar RS9H-M-DG-720](https://comparepv.com/compare/resun-solar-rs9h-m-dg-690/resun-solar-rs9h-m-dg-720) - 6 differences, the largest is module efficiency - [Resun Solar RS9H-M-DG-690 vs Resun Solar RS9H-M-DG-715](https://comparepv.com/compare/resun-solar-rs9h-m-dg-690/resun-solar-rs9h-m-dg-715) - 5 differences, the largest is module efficiency - [Resun Solar RS9H-M-DG-690 vs Resun Solar RS9H-M-DG-705](https://comparepv.com/compare/resun-solar-rs9h-m-dg-690/resun-solar-rs9h-m-dg-705) - 3 differences, the largest is module efficiency - [Resun Solar RS9H-M-DG-690 vs Resun Solar RS9H-M-DG](https://comparepv.com/compare/resun-solar-rs9h-m-dg-690/resun-solar-rs9h-m-dg) - 5 differences, the largest is module efficiency - [Resun Solar RS9H-M-DG-690 vs Resun Solar RS9H-M-DG-700](https://comparepv.com/compare/resun-solar-rs9h-m-dg-690/resun-solar-rs9h-m-dg-700) - 3 differences, the largest is module efficiency - [Resun Solar RS9H-M-DG-690 vs Resun Solar RS9H-M-DG-695](https://comparepv.com/compare/resun-solar-rs9h-m-dg-690/resun-solar-rs9h-m-dg-695) - The same specification on paper --- Source: https://comparepv.com/compare/resun-solar-rs9h-m-dg-690/resun-solar-rs9h-m-dg-710 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.