--- title: "Horay Solar HS680TC-MHG-D vs Horay Solar HS710TC-MHG-D - Solar Panel Comparison | ComparePV" description: "Compare Horay Solar HS680TC-MHG-D vs Horay Solar HS710TC-MHG-D side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/horay-solar-hs680tc-mhg-d/horay-solar-hs710tc-mhg-d" updated: 2026-09-11 --- # Horay Solar HS680TC-MHG-D vs Horay Solar HS710TC-MHG-D HS710TC-MHG-D leads on the differences that matter The largest is module efficiency: 1.00 pp more efficient. 12 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Horay Solar HS680TC-MHG-D](https://comparepv.com/panel/horay-solar-hs680tc-mhg-d) | [Horay Solar HS710TC-MHG-D](https://comparepv.com/panel/horay-solar-hs710tc-mhg-d) | | Manufacturer | Horay Solar | Horay Solar | | Power | 680 Wp | 710 Wp | | Efficiency | 21.90 % | 22.90 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | HS680TC-MHG-D | HS710TC-MHG-D | Difference | | --- | --- | --- | --- | | Module efficiency | 21.90 % | 22.90 % | +1.00 pp for HS710TC-MHG-D | | Power density | 218.9 Wp/m² | 228.6 Wp/m² | +9.7 Wp/m² for HS710TC-MHG-D | | Rated power | 680 Wp | 710 Wp | +30 W for HS710TC-MHG-D | | Weight per kWp | 56.6 kg/kWp | 54.2 kg/kWp | -2.4 kg/kWp for HS710TC-MHG-D | | Open-circuit voltage | 47.80 V | 49.00 V | 1.20 V apart | | Voltage at max power | 39.70 V | 40.90 V | 1.20 V apart | ## Every compared parameter | Parameter | HS680TC-MHG-D | HS710TC-MHG-D | | --- | --- | --- | | Rated power | 680 Wp | 710 Wp | | Module efficiency | 21.90 % | 22.90 % | | Power density | 218.9 Wp/m² | 228.6 Wp/m² | | Open-circuit voltage | 47.80 V | 49.00 V | | Voltage at max power | 39.70 V | 40.90 V | | Short-circuit current | 18.15 A | 18.40 A | | Current at max power | 17.13 A | 17.36 A | | Temperature coefficient | -0.280 %/°C | -0.280 %/°C | | Dimensions | 2384x1303x33 mm | 2384x1303x33 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 38.5 kg | 38.5 kg | | Weight per kWp | 56.6 kg/kWp | 54.2 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | - | - | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | Yes | Yes | ## Thirty-year yield Declared first-year losses, with 0.40% a year afterwards assumed for both panels, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.280 %/°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, HS680TC-MHG-D:** 22,815 kWh - **Cumulative output, HS710TC-MHG-D:** 23,822 kWh - **Gap:** 1,007 kWh ## Output when hot | Condition | Cell temperature | HS680TC-MHG-D | HS710TC-MHG-D | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 680 W | 710 W | 100.0% of rated power | | Cool, bright day | 40 °C | 651 W | 680 W | 95.8% of rated power | | Typical summer roof | 55 °C | 623 W | 650 W | 91.6% of rated power | | Hot roof | 70 °C | 594 W | 621 W | 87.4% of rated power | ## Against the whole database | Measure | HS680TC-MHG-D | HS710TC-MHG-D | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #6,783 | #2,359 | 14,005 | HS710TC-MHG-D leads by 4,424 places | | Power density | #6,804 | #2,474 | 14,005 | HS710TC-MHG-D leads by 4,330 places | | Heat behaviour | #1,309 | #1,309 | 14,005 | Tied - the same position in the database | | Weight | #10,746 | #8,457 | 14,005 | HS710TC-MHG-D leads by 2,289 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #1,598 | #597 | 14,005 | HS710TC-MHG-D leads by 1,001 places | ## Questions ### Which panel is better: Horay Solar HS680TC-MHG-D or Horay Solar HS710TC-MHG-D? According to our database: **Horay Solar HS710TC-MHG-D** has higher module efficiency (**22.90%** vs **21.90%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Horay Solar HS680TC-MHG-D and Horay Solar HS710TC-MHG-D? **Horay Solar HS680TC-MHG-D** has a module efficiency of **21.90%**, while **Horay Solar HS710TC-MHG-D** is **22.90%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Horay Solar HS680TC-MHG-D use vs Horay Solar HS710TC-MHG-D? **Horay Solar HS680TC-MHG-D** uses **TOPCon** cells; **Horay Solar HS710TC-MHG-D** 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 Horay Solar HS680TC-MHG-D and Horay Solar HS710TC-MHG-D? **Horay Solar HS680TC-MHG-D** has a **30 years** power warranty; **Horay Solar HS710TC-MHG-D** 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 Horay Solar HS680TC-MHG-D and Horay Solar HS710TC-MHG-D bifacial panels? Both **Horay Solar HS680TC-MHG-D** and **Horay Solar HS710TC-MHG-D** 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 - [Horay Solar HS680TC-MHG-D vs Horay Solar HS720TC-MHG-D](https://comparepv.com/compare/horay-solar-hs680tc-mhg-d/horay-solar-hs720tc-mhg-d) - 6 differences, the largest is module efficiency - [Horay Solar HS680TC-MHG-D vs Horay Solar HS700TC-MHG-D](https://comparepv.com/compare/horay-solar-hs680tc-mhg-d/horay-solar-hs700tc-mhg-d) - 3 differences, the largest is module efficiency - [Horay Solar HS680TC-MHG-D vs Horay Solar HS690TC-MHG-D](https://comparepv.com/compare/horay-solar-hs680tc-mhg-d/horay-solar-hs690tc-mhg-d) - 3 differences, the largest is module efficiency - [Horay Solar HS680TC-MHG-D vs Horay Solar HS650TC-MHD-D](https://comparepv.com/compare/horay-solar-hs680tc-mhg-d/horay-solar-hs650tc-mhd-d) - 12 differences, the largest is module efficiency - [Horay Solar HS680TC-MHG-D vs Horay Solar HS645TC-MHD-D](https://comparepv.com/compare/horay-solar-hs680tc-mhg-d/horay-solar-hs645tc-mhd-d) - 12 differences, the largest is module efficiency - [Horay Solar HS680TC-MHG-D vs Horay Solar HS640TC-MHD-D](https://comparepv.com/compare/horay-solar-hs680tc-mhg-d/horay-solar-hs640tc-mhd-d) - 12 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/horay-solar-hs680tc-mhg-d/horay-solar-hs710tc-mhg-d 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.