--- title: "Recom RCM-710-8DBNM vs Recom RCM-730-8DBNM - Solar Panel Comparison | ComparePV" description: "Compare Recom RCM-710-8DBNM vs Recom RCM-730-8DBNM side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/recom-rcm-710-8dbnm/recom-rcm-730-8dbnm" updated: 2026-09-11 --- # Recom RCM-710-8DBNM vs Recom RCM-730-8DBNM 730-8DBNM leads on the differences that matter The largest is module efficiency: 0.60 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Recom RCM-710-8DBNM](https://comparepv.com/panel/recom-rcm-710-8dbnm) | [Recom RCM-730-8DBNM](https://comparepv.com/panel/recom-rcm-730-8dbnm) | | Manufacturer | Recom | Recom | | Power | 710 Wp | 730 Wp | | Efficiency | 22.90 % | 23.50 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 710-8DBNM | 730-8DBNM | Difference | | --- | --- | --- | --- | | Module efficiency | 22.90 % | 23.50 % | +0.60 pp for 730-8DBNM | | Power density | 228.6 Wp/m² | 235.0 Wp/m² | +6.4 Wp/m² for 730-8DBNM | | Rated power | 710 Wp | 730 Wp | +20 W for 730-8DBNM | ## Every compared parameter | Parameter | 710-8DBNM | 730-8DBNM | | --- | --- | --- | | Rated power | 710 Wp | 730 Wp | | Module efficiency | 22.90 % | 23.50 % | | Power density | 228.6 Wp/m² | 235.0 Wp/m² | | Open-circuit voltage | 48.87 V | 49.59 V | | Voltage at max power | 40.76 V | 41.44 V | | Short-circuit current | 18.43 A | 18.64 A | | Current at max power | 17.42 A | 17.62 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2384x1303x33 mm | 2384x1303x33 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 37.8 kg | 37.8 kg | | Weight per kWp | 53.2 kg/kWp | 51.8 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/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 (-0.290 %/°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, 710-8DBNM:** 23,822 kWh - **Cumulative output, 730-8DBNM:** 24,493 kWh - **Gap:** 671 kWh ## Output when hot | Condition | Cell temperature | 710-8DBNM | 730-8DBNM | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 710 W | 730 W | 100.0% of rated power | | Cool, bright day | 40 °C | 679 W | 698 W | 95.7% of rated power | | Typical summer roof | 55 °C | 648 W | 666 W | 91.3% of rated power | | Hot roof | 70 °C | 617 W | 635 W | 87.0% of rated power | ## Against the whole database | Measure | 710-8DBNM | 730-8DBNM | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #2,359 | #716 | 14,005 | 730-8DBNM leads by 1,643 places | | Power density | #2,474 | #800 | 14,005 | 730-8DBNM leads by 1,674 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #7,077 | #5,151 | 14,005 | 730-8DBNM leads by 1,926 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #56 | #8 | 14,005 | 730-8DBNM leads by 48 places | ## Questions ### Which panel is better: Recom RCM-710-8DBNM or Recom RCM-730-8DBNM? According to our database: **Recom RCM-730-8DBNM** has higher module efficiency (**23.50%** vs **22.90%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Recom RCM-710-8DBNM and Recom RCM-730-8DBNM? **Recom RCM-710-8DBNM** has a module efficiency of **22.90%**, while **Recom RCM-730-8DBNM** is **23.50%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Recom RCM-710-8DBNM use vs Recom RCM-730-8DBNM? **Recom RCM-710-8DBNM** uses **TOPCon** cells; **Recom RCM-730-8DBNM** 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 Recom RCM-710-8DBNM and Recom RCM-730-8DBNM? **Recom RCM-710-8DBNM** has a **30 years** power warranty; **Recom RCM-730-8DBNM** 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 Recom RCM-710-8DBNM and Recom RCM-730-8DBNM bifacial panels? Both **Recom RCM-710-8DBNM** and **Recom RCM-730-8DBNM** 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 - [Recom RCM-710-8DBNM vs Recom RCM-725-8DBNM](https://comparepv.com/compare/recom-rcm-710-8dbnm/recom-rcm-725-8dbnm) - 3 differences, the largest is module efficiency - [Recom RCM-710-8DBNM vs Recom RCM-720-8DBNM](https://comparepv.com/compare/recom-rcm-710-8dbnm/recom-rcm-720-8dbnm) - 3 differences, the largest is module efficiency - [Recom RCM-710-8DBNM vs Recom RCM-715-8DBNM](https://comparepv.com/compare/recom-rcm-710-8dbnm/recom-rcm-715-8dbnm) - The same specification on paper - [Recom RCM-710-8DBNM vs Recom RCM-715-8NM](https://comparepv.com/compare/recom-rcm-710-8dbnm/recom-rcm-715-8nm) - 5 differences, the largest is weight - [Recom RCM-710-8DBNM vs Recom RCM-710-8NM](https://comparepv.com/compare/recom-rcm-710-8dbnm/recom-rcm-710-8nm) - 5 differences, the largest is weight - [Recom RCM-710-8DBNM vs Recom RCM-705-8DBNM](https://comparepv.com/compare/recom-rcm-710-8dbnm/recom-rcm-705-8dbnm) - One difference: module efficiency --- Source: https://comparepv.com/compare/recom-rcm-710-8dbnm/recom-rcm-730-8dbnm 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.