--- title: "AUSTA ENERGY ODA435-27V-MHD vs AUSTA ENERGY ODA440-27V-MHD - Solar Panel Comparison | ComparePV" description: "Compare AUSTA ENERGY ODA435-27V-MHD vs AUSTA ENERGY ODA440-27V-MHD side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/austa-energy-oda435-27v-mhd/austa-energy-oda440-27v-mhd" updated: 2026-09-11 --- # AUSTA ENERGY ODA435-27V-MHD vs AUSTA ENERGY ODA440-27V-MHD ODA440-27V-MHD leads on the differences that matter The largest is module efficiency: 0.26 pp more efficient. 18 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [AUSTA ENERGY ODA435-27V-MHD](https://comparepv.com/panel/austa-energy-oda435-27v-mhd) | [AUSTA ENERGY ODA440-27V-MHD](https://comparepv.com/panel/austa-energy-oda440-27v-mhd) | | Manufacturer | AUSTA ENERGY | AUSTA ENERGY | | Power | 435 Wp | 440 Wp | | Efficiency | 22.28 % | 22.54 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | ODA435-27V-MHD | ODA440-27V-MHD | Difference | | --- | --- | --- | --- | | Module efficiency | 22.28 % | 22.54 % | +0.26 pp for ODA440-27V-MHD | ## Every compared parameter | Parameter | ODA435-27V-MHD | ODA440-27V-MHD | | --- | --- | --- | | Rated power | 435 Wp | 440 Wp | | Module efficiency | 22.28 % | 22.54 % | | Power density | 222.8 Wp/m² | 225.3 Wp/m² | | Open-circuit voltage | 38.68 V | 38.87 V | | Voltage at max power | 32.06 V | 32.24 V | | Short-circuit current | 14.31 A | 14.39 A | | Current at max power | 13.57 A | 13.65 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 1722x1134x30 mm | 1722x1134x30 mm | | Module area | 1.953 m² | 1.953 m² | | Weight | 24.7 kg | 24.7 kg | | Weight per kWp | 56.8 kg/kWp | 56.1 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, ODA435-27V-MHD:** 14,595 kWh - **Cumulative output, ODA440-27V-MHD:** 14,763 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | ODA435-27V-MHD | ODA440-27V-MHD | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 435 W | 440 W | 100.0% of rated power | | Cool, bright day | 40 °C | 416 W | 421 W | 95.7% of rated power | | Typical summer roof | 55 °C | 397 W | 402 W | 91.3% of rated power | | Hot roof | 70 °C | 378 W | 383 W | 87.0% of rated power | ## Against the whole database | Measure | ODA435-27V-MHD | ODA440-27V-MHD | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #5,403 | #3,920 | 14,005 | ODA440-27V-MHD leads by 1,483 places | | Power density | #5,150 | #4,099 | 14,005 | ODA440-27V-MHD leads by 1,051 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #10,856 | #10,411 | 14,005 | ODA440-27V-MHD leads by 445 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #9,318 | #8,866 | 14,005 | ODA440-27V-MHD leads by 452 places | ## Questions ### Which panel is better: AUSTA ENERGY ODA435-27V-MHD or AUSTA ENERGY ODA440-27V-MHD? According to our database: **AUSTA ENERGY ODA440-27V-MHD** has higher module efficiency (**22.54%** vs **22.28%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of AUSTA ENERGY ODA435-27V-MHD and AUSTA ENERGY ODA440-27V-MHD? **AUSTA ENERGY ODA435-27V-MHD** has a module efficiency of **22.28%**, while **AUSTA ENERGY ODA440-27V-MHD** is **22.54%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does AUSTA ENERGY ODA435-27V-MHD use vs AUSTA ENERGY ODA440-27V-MHD? **AUSTA ENERGY ODA435-27V-MHD** uses **TOPCon** cells; **AUSTA ENERGY ODA440-27V-MHD** 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 AUSTA ENERGY ODA435-27V-MHD and AUSTA ENERGY ODA440-27V-MHD? **AUSTA ENERGY ODA435-27V-MHD** has a **30 years** power warranty; **AUSTA ENERGY ODA440-27V-MHD** 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 AUSTA ENERGY ODA435-27V-MHD and AUSTA ENERGY ODA440-27V-MHD bifacial panels? Both **AUSTA ENERGY ODA435-27V-MHD** and **AUSTA ENERGY ODA440-27V-MHD** 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 - [AUSTA ENERGY ODA435-27V-MHD vs AUSTA ENERGY ODA430-27V-MHD](https://comparepv.com/compare/austa-energy-oda435-27v-mhd/austa-energy-oda430-27v-mhd) - One difference: module efficiency - [AUSTA ENERGY ODA435-27V-MHD vs AUSTA ENERGY ODA425-27V-MHD](https://comparepv.com/compare/austa-energy-oda435-27v-mhd/austa-energy-oda425-27v-mhd) - 3 differences, the largest is module efficiency - [AUSTA ENERGY ODA435-27V-MHD vs AUSTA ENERGY ODA420-27V-MHD](https://comparepv.com/compare/austa-energy-oda435-27v-mhd/austa-energy-oda420-27v-mhd) - 4 differences, the largest is module efficiency - [AUSTA ENERGY ODA435-27V-MHD vs AUSTA ENERGY ODA415-27V-MHD](https://comparepv.com/compare/austa-energy-oda435-27v-mhd/austa-energy-oda415-27v-mhd) - 4 differences, the largest is module efficiency - [AUSTA ENERGY ODA435-27V-MHD vs AUSTA ENERGY ODA410-27V-MHD](https://comparepv.com/compare/austa-energy-oda435-27v-mhd/austa-energy-oda410-27v-mhd) - 4 differences, the largest is module efficiency - [AUSTA ENERGY ODA435-27V-MHD vs AUSTA ENERGY ODA730-33V-MHD](https://comparepv.com/compare/austa-energy-oda435-27v-mhd/austa-energy-oda730-33v-mhd) - 15 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/austa-energy-oda435-27v-mhd/austa-energy-oda440-27v-mhd 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.