--- title: "Solaria Solaria PowerXT-410C-BD vs Solaria SPV680-TG12-132BD - Solar Panel Comparison | ComparePV" description: "Compare Solaria Solaria PowerXT-410C-BD vs Solaria SPV680-TG12-132BD side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/solaria-solaria-powerxt-410c-bd/solaria-spv680-tg12-132bd" updated: 2026-09-11 --- # Solaria Solaria PowerXT-410C-BD vs Solaria SPV680-TG12-132BD SPV680-TG12-132BD leads on the differences that matter The largest is module efficiency: 3.02 pp more efficient. 2 of 16 comparable parameters are identical, with 3 more left out because at least one datasheet does not publish them. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Solaria Solaria PowerXT-410C-BD](https://comparepv.com/panel/solaria-solaria-powerxt-410c-bd) | [Solaria SPV680-TG12-132BD](https://comparepv.com/panel/solaria-spv680-tg12-132bd) | | Manufacturer | Solaria | Solaria | | Power | 410 Wp | 680 Wp | | Efficiency | 18.90 % | 21.92 % | | Technology | | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | Solaria PowerXT-410C-BD | SPV680-TG12-132BD | Difference | | --- | --- | --- | --- | | Module efficiency | 18.90 % | 21.92 % | +3.02 pp for SPV680-TG12-132BD | | Temperature coefficient | -0.390 %/°C | -0.300 %/°C | +0.090 %/°C for SPV680-TG12-132BD | | Rated power | 410 Wp | 680 Wp | +270 W for SPV680-TG12-132BD | | Power density | 189.5 Wp/m² | 219.2 Wp/m² | +29.7 Wp/m² for SPV680-TG12-132BD | | Performance warranty | 25 yrs | 30 yrs | +5 yrs for SPV680-TG12-132BD | | Weight | 29.0 kg | 38.0 kg | -9.0 kg for Solaria PowerXT-410C-BD | | Weight per kWp | 70.7 kg/kWp | 55.9 kg/kWp | -14.8 kg/kWp for SPV680-TG12-132BD | | Product warranty | 25 yrs | 12 yrs | +13 yrs for Solaria PowerXT-410C-BD | | Short-circuit current | 11.29 A | 17.96 A | 6.67 A apart | | Module area | 2.164 m² | 3.103 m² | 0.939 m² apart | | Current at max power | 10.66 A | 17.18 A | 6.52 A apart | | Bifacial | No | Yes | No vs Yes | | Dimensions | 1939x1116x40 mm | 2383x1302x30 mm | 1939x1116x40 mm vs 2383x1302x30 mm | | Voltage at max power | 38.50 V | 39.63 V | 1.13 V apart | ## Every compared parameter | Parameter | Solaria PowerXT-410C-BD | SPV680-TG12-132BD | | --- | --- | --- | | Rated power | 410 Wp | 680 Wp | | Module efficiency | 18.90 % | 21.92 % | | Power density | 189.5 Wp/m² | 219.2 Wp/m² | | Open-circuit voltage | 47.20 V | 46.90 V | | Voltage at max power | 38.50 V | 39.63 V | | Short-circuit current | 11.29 A | 17.96 A | | Current at max power | 10.66 A | 17.18 A | | Temperature coefficient | -0.390 %/°C | -0.300 %/°C | | Dimensions | 1939x1116x40 mm | 2383x1302x30 mm | | Module area | 2.164 m² | 3.103 m² | | Weight | 29.0 kg | 38.0 kg | | Weight per kWp | 70.7 kg/kWp | 55.9 kg/kWp | | Product warranty | 25 yrs | 12 yrs | | Performance warranty | 25 yrs | 30 yrs | | Annual degradation | - | - | | Cell technology | - | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | - | 132 | | Bifacial | No | Yes | ## Thirty-year yield A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year - **Cumulative output, Solaria PowerXT-410C-BD:** 13,756 kWh - **Cumulative output, SPV680-TG12-132BD:** 22,815 kWh - **Gap:** 9,059 kWh ## Output when hot | Condition | Cell temperature | Solaria PowerXT-410C-BD | SPV680-TG12-132BD | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 410 W | 680 W | 100.0% of rated power | | Cool, bright day | 40 °C | 386 W | 649 W | 94.2% of rated power | | Typical summer roof | 55 °C | 362 W | 619 W | 88.3% of rated power | | Hot roof | 70 °C | 338 W | 588 W | 82.5% of rated power | ## Against the whole database | Measure | Solaria PowerXT-410C-BD | SPV680-TG12-132BD | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #12,996 | #6,767 | 14,005 | SPV680-TG12-132BD leads by 6,229 places | | Power density | #12,969 | #6,738 | 14,005 | SPV680-TG12-132BD leads by 6,231 places | | Heat behaviour | #13,579 | #6,093 | 14,005 | SPV680-TG12-132BD leads by 7,486 places | | Weight | #13,437 | #10,244 | 14,005 | SPV680-TG12-132BD leads by 3,193 places | | Warranty | #9,798 | #21 | 14,005 | SPV680-TG12-132BD leads by 9,777 places | | Overall | #11,707 | #1,903 | 14,005 | SPV680-TG12-132BD leads by 9,804 places | ## Questions ### Which panel is better: Solaria Solaria PowerXT-410C-BD or Solaria SPV680-TG12-132BD? According to our database: **Solaria SPV680-TG12-132BD** has higher module efficiency (**21.92%** vs **18.90%**); **Solaria SPV680-TG12-132BD** tolerates heat better (temp coeff **-0.300%/°C** vs **-0.390%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Solaria Solaria PowerXT-410C-BD and Solaria SPV680-TG12-132BD? **Solaria **Solaria** PowerXT-410C-BD** has a module efficiency of **18.90%**, while **Solaria SPV680-TG12-132BD** is **21.92%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Solaria Solaria PowerXT-410C-BD use vs Solaria SPV680-TG12-132BD? **Solaria **Solaria** PowerXT-410C-BD** uses Monocrystalline cells; **Solaria SPV680-TG12-132BD** 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 Solaria Solaria PowerXT-410C-BD and Solaria SPV680-TG12-132BD? **Solaria **Solaria** PowerXT-410C-BD** has a **25 years** power warranty; **Solaria SPV680-TG12-132BD** 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 Solaria Solaria PowerXT-410C-BD and Solaria SPV680-TG12-132BD bifacial panels? **Solaria SPV680-TG12-132BD** is bifacial (captures light from both faces); **Solaria **Solaria** PowerXT-410C-BD** is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath. ## Related comparisons - [Solaria Solaria PowerXT-410C-BD vs Solaria Solaria PowerXT-430C-PD](https://comparepv.com/compare/solaria-solaria-powerxt-410c-bd/solaria-solaria-powerxt-430c-pd) - 4 differences, the largest is module efficiency - [Solaria Solaria PowerXT-410C-BD vs Solaria Solaria PowerXT-420C-BD](https://comparepv.com/compare/solaria-solaria-powerxt-410c-bd/solaria-solaria-powerxt-420c-bd) - 3 differences, the largest is module efficiency - [Solaria Solaria PowerXT-410C-BD vs Solaria Solaria PowerXT-420C-PD](https://comparepv.com/compare/solaria-solaria-powerxt-410c-bd/solaria-solaria-powerxt-420c-pd) - 3 differences, the largest is module efficiency - [Solaria SPV680-TG12-132BD vs Solaria SPV675-TG12-132BD](https://comparepv.com/compare/solaria-spv680-tg12-132bd/solaria-spv675-tg12-132bd) - The same specification on paper - [Solaria SPV680-TG12-132BD vs Solaria SPV670-TG12-132BD](https://comparepv.com/compare/solaria-spv680-tg12-132bd/solaria-spv670-tg12-132bd) - 3 differences, the largest is module efficiency - [Solaria SPV680-TG12-132BD vs Solaria SPV665-TG12-132BD](https://comparepv.com/compare/solaria-spv680-tg12-132bd/solaria-spv665-tg12-132bd) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/solaria-solaria-powerxt-410c-bd/solaria-spv680-tg12-132bd 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.