--- title: "Vikram Solar SURYAVA VSMDH.66.710.05 vs Vikram Solar SURYAVA VSMDH.66.720.05 - Solar Panel Comparison | ComparePV" description: "Compare Vikram Solar SURYAVA VSMDH.66.710.05 vs Vikram Solar SURYAVA VSMDH.66.720.05 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/vikram-solar-suryava-vsmdh-66-710-05/vikram-solar-suryava-vsmdh-66-720-05" updated: 2026-09-11 --- # Vikram Solar SURYAVA VSMDH.66.710.05 vs Vikram Solar SURYAVA VSMDH.66.720.05 720.05 leads on the differences that matter The largest is module efficiency: 0.32 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Vikram Solar SURYAVA VSMDH.66.710.05](https://comparepv.com/panel/vikram-solar-suryava-vsmdh-66-710-05) | [Vikram Solar SURYAVA VSMDH.66.720.05](https://comparepv.com/panel/vikram-solar-suryava-vsmdh-66-720-05) | | Manufacturer | Vikram Solar | Vikram Solar | | Power | 710 Wp | 720 Wp | | Efficiency | 22.86 % | 23.18 % | | Technology | HJT | HJT | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 710.05 | 720.05 | Difference | | --- | --- | --- | --- | | Module efficiency | 22.86 % | 23.18 % | +0.32 pp for 720.05 | | Power density | 228.6 Wp/m² | 231.8 Wp/m² | +3.2 Wp/m² for 720.05 | | Rated power | 710 Wp | 720 Wp | +10 W for 720.05 | ## Every compared parameter | Parameter | 710.05 | 720.05 | | --- | --- | --- | | Rated power | 710 Wp | 720 Wp | | Module efficiency | 22.86 % | 23.18 % | | Power density | 228.6 Wp/m² | 231.8 Wp/m² | | Open-circuit voltage | 50.80 V | 51.10 V | | Voltage at max power | 42.43 V | 42.72 V | | Short-circuit current | 17.52 A | 17.64 A | | Current at max power | 16.74 A | 16.86 A | | Temperature coefficient | -0.260 %/°C | -0.260 %/°C | | Dimensions | 2384x1303x35 mm | 2384x1303x35 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 39.5 kg | 39.5 kg | | Weight per kWp | 55.6 kg/kWp | 54.9 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.38 %/yr | 0.38 %/yr | | Cell technology | HJT | HJT | | 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 (-0.260 %/°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, 710.05:** 23,896 kWh - **Cumulative output, 720.05:** 24,233 kWh - **Gap:** 337 kWh ## Output when hot | Condition | Cell temperature | 710.05 | 720.05 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 710 W | 720 W | 100.0% of rated power | | Cool, bright day | 40 °C | 682 W | 692 W | 96.1% of rated power | | Typical summer roof | 55 °C | 655 W | 664 W | 92.2% of rated power | | Hot roof | 70 °C | 627 W | 636 W | 88.3% of rated power | ## Against the whole database | Measure | 710.05 | 720.05 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #2,536 | #1,424 | 14,005 | 720.05 leads by 1,112 places | | Power density | #2,474 | #1,347 | 14,005 | 720.05 leads by 1,127 places | | Heat behaviour | #511 | #511 | 14,005 | Tied - the same position in the database | | Weight | #10,005 | #9,249 | 14,005 | 720.05 leads by 756 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #881 | #564 | 14,005 | 720.05 leads by 317 places | ## Questions ### Which panel is better: Vikram Solar SURYAVA VSMDH.66.710.05 or Vikram Solar SURYAVA VSMDH.66.720.05? According to our database: **Vikram Solar SURYAVA VSMDH.66.720.05** has higher module efficiency (**23.18%** vs **22.86%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Vikram Solar SURYAVA VSMDH.66.710.05 and Vikram Solar SURYAVA VSMDH.66.720.05? **Vikram Solar SURYAVA VSMDH.66.710.05** has a module efficiency of **22.86%**, while **Vikram Solar SURYAVA VSMDH.66.720.05** is **23.18%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Vikram Solar SURYAVA VSMDH.66.710.05 use vs Vikram Solar SURYAVA VSMDH.66.720.05? **Vikram Solar SURYAVA VSMDH.66.710.05** uses **HJT** cells; **Vikram Solar SURYAVA VSMDH.66.720.05** uses **HJT**. 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 Vikram Solar SURYAVA VSMDH.66.710.05 and Vikram Solar SURYAVA VSMDH.66.720.05? **Vikram Solar SURYAVA VSMDH.66.710.05** has a **30 years** power warranty; **Vikram Solar SURYAVA VSMDH.66.720.05** 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 Vikram Solar SURYAVA VSMDH.66.710.05 and Vikram Solar SURYAVA VSMDH.66.720.05 bifacial panels? Both **Vikram Solar SURYAVA VSMDH.66.710.05** and **Vikram Solar SURYAVA VSMDH.66.720.05** 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 - [Vikram Solar SURYAVA VSMDH.66.710.05 vs Vikram Solar SURYAVA VSMDH.66.735.05](https://comparepv.com/compare/vikram-solar-suryava-vsmdh-66-710-05/vikram-solar-suryava-vsmdh-66-735-05) - 3 differences, the largest is module efficiency - [Vikram Solar SURYAVA VSMDH.66.710.05 vs Vikram Solar SURYAVA VSMDH.66.730.05](https://comparepv.com/compare/vikram-solar-suryava-vsmdh-66-710-05/vikram-solar-suryava-vsmdh-66-730-05) - 3 differences, the largest is module efficiency - [Vikram Solar SURYAVA VSMDH.66.710.05 vs Vikram Solar SURYAVA VSMDH.66.725.05](https://comparepv.com/compare/vikram-solar-suryava-vsmdh-66-710-05/vikram-solar-suryava-vsmdh-66-725-05) - 3 differences, the largest is module efficiency - [Vikram Solar SURYAVA VSMDH.66.710.05 vs Vikram Solar SURYAVA VSMDH.66.715.05](https://comparepv.com/compare/vikram-solar-suryava-vsmdh-66-710-05/vikram-solar-suryava-vsmdh-66-715-05) - The same specification on paper - [Vikram Solar SURYAVA VSMDH.66.710.05 vs Vikram Solar HYPERSOL VSMDH.66.AAA.05-720](https://comparepv.com/compare/vikram-solar-suryava-vsmdh-66-710-05/vikram-solar-hypersol-vsmdh-66-aaa-05-720) - 9 differences, the largest is temperature coefficient - [Vikram Solar SURYAVA VSMDH.66.710.05 vs Vikram Solar HYPERSOL VSMDH.66.715.05](https://comparepv.com/compare/vikram-solar-suryava-vsmdh-66-710-05/vikram-solar-hypersol-vsmdh-66-715-05) - 7 differences, the largest is temperature coefficient --- Source: https://comparepv.com/compare/vikram-solar-suryava-vsmdh-66-710-05/vikram-solar-suryava-vsmdh-66-720-05 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.