---
title: "Q-Cells vs Solar Power Vietnam - Brand Comparison | ComparePV"
description: "Compare Q-Cells vs Solar Power Vietnam solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/q-cells-vs-solar-power-vietnam"
---

# Q-Cells vs Solar Power Vietnam

Q-Cells has the broader catalog (89 vs 5 models). Q-Cells leads on peak efficiency at 23.20%. Solar Power Vietnam leans bifacial (100% of lineup).


## The two companies


| Attribute | Q-Cells | Solar Power Vietnam |
| --- | --- | --- |
| Country | South Korea | Vietnam |
| Headquarters | Seoul |  |
| Founded | 1999 |  |
| Employees | 2000+ |  |
| Annual capacity | 11.2 GW/year |  |
| Tier 1 | yes | no |
| Listed | NASDAQ: HQCL |  |
| Website | [https://www.qcells.com](https://www.qcells.com) |  |

Qcells is a renowned global provider of complete energy solutions, specializing in solar cells and modules, energy storage solutions, downstream project business, and energy retail. The company has a strong heritage dating back to its foundation in Germany and has become a leader in technology innovations. As an...


## Catalog & Power


| Measure | Q-Cells | Solar Power Vietnam | Margin |
| --- | --- | --- | --- |
| Panel Models | 89 | 5 | +84 |
| Max Power | 675 W | 735 W | +60 W |
| Avg Power | 468 W | 725 W | +257 W |


## Efficiency


| Measure | Q-Cells | Solar Power Vietnam | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 23.20% | 22.90% | +0.30 pp |
| Avg Efficiency | 21.21% | 22.58% | +1.37 pp |


## Reliability & Warranty


| Measure | Q-Cells | Solar Power Vietnam | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.325%/°C | - |  |
| Bifacial Share | 35 (39%) | 5 (100%) | +61 pp |
| Avg Warranty | 27.0 yrs | 30.0 yrs | +3.0 yr |


## Efficiency distribution

Q-Cells skews to higher efficiency: 2% of lineup is 23%+


| Efficiency band | Q-Cells | Solar Power Vietnam |
| --- | --- | --- |
| \<20% | 7 (7.9%) | 0 |
| 20-21% | 29 (32.6%) | 0 |
| 21-22% | 30 (33.7%) | 0 |
| 22-23% | 21 (23.6%) | 5 (100.0%) |
| 23%+ | 2 (2.2%) | 0 |


## Power distribution

Solar Power Vietnam offers more 600W+ panels (100% of lineup)


| Power band | Q-Cells | Solar Power Vietnam |
| --- | --- | --- |
| \<400W | 20 (22.5%) | 0 |
| 400-499W | 41 (46.1%) | 0 |
| 500-599W | 11 (12.4%) | 0 |
| 600-699W | 17 (19.1%) | 0 |
| 700W+ | 0 | 5 (100.0%) |


## Cell technology

Dominant cell tech: **PERC** (43%)

Dominant cell tech: **TOPCon** (100%)


| Technology | Q-Cells | Solar Power Vietnam |
| --- | --- | --- |
| PERC | 38 (42.7%) | 0 |
| N-type | 23 (25.8%) | 0 |
| Unknown | 20 (22.5%) | 0 |
| TOPCon | 8 (9.0%) | 5 (100.0%) |


## Top panels, Q-Cells


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [Q.PEAK DUO ML-G12S.3 / BFG 675](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-675) | 675 | 21.7 | -0.340 | Monocrystalline |
| 2 | [Q.PEAK DUO ML-G12S.3 / BFG 670](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-670) | 670 | 21.6 | -0.340 | Monocrystalline |
| 3 | [Q.PEAK DUO ML-G12S.3 / BFG 665](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-665) | 665 | 21.4 | -0.340 | Monocrystalline |
| 4 | [Q.PEAK DUO ML-G12S.3 / BFG 660](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-660) | 660 | 21.2 | -0.340 | Monocrystalline |
| 5 | [Q.PEAK DUO ML-G12S.3 / BFG 655](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-655) | 655 | 21.1 | -0.340 | Monocrystalline |
| 6 | [Q.PEAK DUO ML-G12S.3 / BFG 650](https://comparepv.com/panel/q-cells-q-peak-duo-ml-g12s-3-bfg-650) | 650 | 20.9 | -0.340 | Monocrystalline |
| 7 | [Q.TRON XL-G2.3 / BFG 645](https://comparepv.com/panel/q-cells-q-tron-xl-g2-3-bfg-645) | 645 | 23.1 | -0.290 | Monocrystalline |
| 8 | [Q.TRON XL-G2.3 / BFG 640](https://comparepv.com/panel/q-cells-q-tron-xl-g2-3-bfg-640) | 640 | 22.9 | -0.290 | Monocrystalline |
| 9 | [Q.TRON XL-G2.3 / BFG 635](https://comparepv.com/panel/hanwha-q-cells-america-inc-q-tron-xl-g2-3-bfg-635) | 635 | 22.7 | -0.300 | Monocrystalline |
| 10 | [Q.TRON XL-G2.3 / BFG 630](https://comparepv.com/panel/hanwha-q-cells-america-inc-q-tron-xl-g2-3-bfg-630) | 630 | 22.6 | -0.300 | Monocrystalline |


## Top panels, Solar Power Vietnam


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SPV735-66SN210](https://comparepv.com/panel/solar-power-vietnam-spv735-66sn210) | 735 | 22.9 | - | Monocrystalline |
| 2 | [SPV730-66SN210](https://comparepv.com/panel/solar-power-vietnam-spv730-66sn210) | 730 | 22.7 | - | Monocrystalline |
| 3 | [SPV725-66SN210](https://comparepv.com/panel/solar-power-vietnam-spv725-66sn210) | 725 | 22.6 | - | Monocrystalline |
| 4 | [SPV720-66SN210](https://comparepv.com/panel/solar-power-vietnam-spv720-66sn210) | 720 | 22.4 | - | Monocrystalline |
| 5 | [SPV715-66SN210](https://comparepv.com/panel/solar-power-vietnam-spv715-66sn210) | 715 | 22.3 | - | Monocrystalline |


## Summary

Q-Cells (officially Hanwha Q CELLS) originated in Germany in 1999 and was acquired by South Korea's Hanwha Group in 2012, since when it has become one of the most recognized module brands globally. Its largest production hub is in Dalton, Georgia, with an annual capacity of approximately 8.4 GW - the largest solar manufacturing facility in the Western Hemisphere. Q-Cells holds a Top Tier BloombergNEF bankability ranking, scoring 91% in its most recent survey. Solar Power Vietnam Technology JSC is a considerably smaller, regional manufacturer headquartered in Ho Chi Minh City, Vietnam, with a catalog that tops out at roughly 320 W per panel and relies on cells sourced from third-party suppliers rather than in-house cell production. No BNEF Tier 1 designation has been identified for the brand. By any institutional measure, Q-Cells carries a significantly stronger global footprint.

Q-Cells' mainstream residential line centers on Q.TRON modules built on N-type TOPCon cells under its Q.ANTUM NEO platform, reaching efficiencies above 22.5% and temperature coefficients as low as -0.29%/C - a meaningful advantage in hot-climate markets such as the U.S. Sun Belt. Its catalog also spans commercial and light-industrial rooftop segments. Solar Power Vietnam targets conventional mono- and polycrystalline applications for smaller domestic and off-grid installations across Southeast Asia. Its comparatively low wattage ceiling points to distributed, entry-level, or rural electrification use cases rather than the premium residential or utility-scale segments where Q-Cells competes.

For most buyers evaluating panels in 2025, Q-Cells is the clear default choice for any project requiring Tier 1 credentials, long-term warranty security, or access to project finance, and its U.S.-based manufacturing aligns with domestic content incentives. The company has also secured IEC and UL certifications for perovskite-silicon tandem cells at 28.6% efficiency, with mass production targeted for 2027. Solar Power Vietnam may be a pragmatic, cost-sensitive option for small off-grid or community projects within Southeast Asia where regional distribution provides a logistical edge, but the two brands serve fundamentally different market tiers and are not interchangeable for serious commercial or residential buyers.

\---LINKS---

\- https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review \| Expert Review of Qcells Solar Panels for 2025 - SolarReviews \| review

\- https://www.ecowatch.com/solar/reviews/qcells-solar-panels \| Qcells Solar Panels Review 2025 - EcoWatch \| review

\- https://solartechonline.com/blog/hanwha-q-cells-solar-panels-review-2025/ \| Hanwha Q CELLS Solar Panels Review 2025 - SolarTechOnline \| review

\- https://energypal.com/best-solar-panels-for-homes/solar-power-vietnam \| Solar Power Vietnam - EnergyPal Buyer's Guide 2025 \| review

\- https://www.enfsolar.com/solar-power-vietnam \| Solar Power Vietnam Technology JSC - ENF Solar company profile \| article

Sources:

\- \[Expert Review of Qcells Solar Panels for 2025\](https://www.solarreviews.com/blog/hanwha-q-cells-solar-panels-complete-review)

\- \[Qcells Solar Panels Review 2025 - EcoWatch\](https://www.ecowatch.com/solar/reviews/qcells-solar-panels)

\- \[Hanwha Q CELLS Solar Panels Review 2025 - SolarTechOnline\](https://solartechonline.com/blog/hanwha-q-cells-solar-panels-review-2025/)

\- \[Solar Power Vietnam - EnergyPal Buyer's Guide 2025\](https://energypal.com/best-solar-panels-for-homes/solar-power-vietnam)

\- \[Solar Power Vietnam Technology JSC - ENF Solar\](https://www.enfsolar.com/solar-power-vietnam)

Written by claude-sonnet from the figures above.


## Other comparisons

- [Q-Cells vs A.B. Energy](https://comparepv.com/q-cells-vs-a-b-energy)
- [AE Solar vs Solar Power Vietnam](https://comparepv.com/ae-solar-vs-solar-power-vietnam)
- [Q-Cells vs AEET](https://comparepv.com/q-cells-vs-aeet)
- [AIKO vs Solar Power Vietnam](https://comparepv.com/aiko-vs-solar-power-vietnam)
- [Q-Cells vs AKCOME](https://comparepv.com/q-cells-vs-akcome)
- [ARTsolar vs Solar Power Vietnam](https://comparepv.com/artsolar-vs-solar-power-vietnam)


---

Source: https://comparepv.com/q-cells-vs-solar-power-vietnam

Not in this file, on the page: the distributions above drawn as charts.