--- title: "AE Solar CMD-108BDS-430 vs AE Solar CMD-108BDS-440 - Solar Panel Comparison | ComparePV" description: "Compare AE Solar CMD-108BDS-430 vs AE Solar CMD-108BDS-440 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/ae-solar-cmd-108bds-430/ae-solar-cmd-108bds-440" updated: 2026-09-11 --- # AE Solar CMD-108BDS-430 vs AE Solar CMD-108BDS-440 440 leads on the differences that matter The largest is module efficiency: 0.52 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [AE Solar CMD-108BDS-430](https://comparepv.com/panel/ae-solar-cmd-108bds-430) | [AE Solar CMD-108BDS-440](https://comparepv.com/panel/ae-solar-cmd-108bds-440) | | Manufacturer | AE Solar | AE Solar | | Power | 430 Wp | 440 Wp | | Efficiency | 22.05 % | 22.57 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 430 | 440 | Difference | | --- | --- | --- | --- | | Module efficiency | 22.05 % | 22.57 % | +0.52 pp for 440 | | Power density | 220.5 Wp/m² | 225.7 Wp/m² | +5.1 Wp/m² for 440 | | Rated power | 430 Wp | 440 Wp | +10 W for 440 | ## Every compared parameter | Parameter | 430 | 440 | | --- | --- | --- | | Rated power | 430 Wp | 440 Wp | | Module efficiency | 22.05 % | 22.57 % | | Power density | 220.5 Wp/m² | 225.7 Wp/m² | | Open-circuit voltage | 38.26 V | 38.66 V | | Voltage at max power | 32.43 V | 32.84 V | | Short-circuit current | 14.17 A | 14.30 A | | Current at max power | 13.26 A | 13.40 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 1721x1133x30 mm | 1721x1133x30 mm | | Module area | 1.950 m² | 1.950 m² | | Weight | 23.5 kg | 23.5 kg | | Weight per kWp | 54.7 kg/kWp | 53.4 kg/kWp | | Product warranty | 15 yrs | 15 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 | 108 | 108 | | 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, 430:** 14,427 kWh - **Cumulative output, 440:** 14,763 kWh - **Gap:** 336 kWh ## Output when hot | Condition | Cell temperature | 430 | 440 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 430 W | 440 W | 100.0% of rated power | | Cool, bright day | 40 °C | 411 W | 421 W | 95.7% of rated power | | Typical summer roof | 55 °C | 393 W | 402 W | 91.3% of rated power | | Hot roof | 70 °C | 374 W | 383 W | 87.0% of rated power | ## Against the whole database | Measure | 430 | 440 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #6,233 | #3,882 | 14,005 | 440 leads by 2,351 places | | Power density | #6,191 | #3,848 | 14,005 | 440 leads by 2,343 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #9,028 | #7,325 | 14,005 | 440 leads by 1,703 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #9,593 | #8,710 | 14,005 | 440 leads by 883 places | ## Questions ### Which panel is better: AE Solar CMD-108BDS-430 or AE Solar CMD-108BDS-440? According to our database: **AE Solar CMD-108BDS-440** has higher module efficiency (**22.57%** vs **22.05%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of AE Solar CMD-108BDS-430 and AE Solar CMD-108BDS-440? **AE Solar CMD-108BDS-430** has a module efficiency of **22.05%**, while **AE Solar CMD-108BDS-440** is **22.57%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does AE Solar CMD-108BDS-430 use vs AE Solar CMD-108BDS-440? **AE Solar CMD-108BDS-430** uses **TOPCon** cells; **AE Solar CMD-108BDS-440** 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 AE Solar CMD-108BDS-430 and AE Solar CMD-108BDS-440? **AE Solar CMD-108BDS-430** has a **30 years** power warranty; **AE Solar CMD-108BDS-440** 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 AE Solar CMD-108BDS-430 and AE Solar CMD-108BDS-440 bifacial panels? Both **AE Solar CMD-108BDS-430** and **AE Solar CMD-108BDS-440** 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 - [AE Solar CMD-108BDS-430 vs AE Solar AE CMD-144BDS-590](https://comparepv.com/compare/ae-solar-cmd-108bds-430/ae-solar-ae-cmd-144bds-590) - 11 differences, the largest is module efficiency - [AE Solar CMD-108BDS-430 vs AE Solar AE CMD-144BDS-585](https://comparepv.com/compare/ae-solar-cmd-108bds-430/ae-solar-ae-cmd-144bds-585) - 10 differences, the largest is rated power - [AE Solar CMD-108BDS-430 vs AE Solar AE CMD-144BDS-580](https://comparepv.com/compare/ae-solar-cmd-108bds-430/ae-solar-ae-cmd-144bds-580) - 10 differences, the largest is rated power - [AE Solar CMD-108BDS-430 vs AE Solar AE CMD-144BDS-575](https://comparepv.com/compare/ae-solar-cmd-108bds-430/ae-solar-ae-cmd-144bds-575) - 9 differences, the largest is rated power - [AE Solar CMD-108BDS-430 vs AE Solar AE CMD-144BDS-570](https://comparepv.com/compare/ae-solar-cmd-108bds-430/ae-solar-ae-cmd-144bds-570) - 8 differences, the largest is rated power - [AE Solar CMD-108BDS-430 vs AE Solar AE CMD-108BDS 440W](https://comparepv.com/compare/ae-solar-cmd-108bds-430/ae-solar-ae-cmd-108bds-440w) - 4 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/ae-solar-cmd-108bds-430/ae-solar-cmd-108bds-440 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.