---
title: "AU Optronics vs Gamko New Energy - Brand Comparison | ComparePV"
description: "Compare AU Optronics vs Gamko New Energy solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/au-optronics-vs-gamko-new-energy"
---

# AU Optronics vs Gamko New Energy

Gamko New Energy has the broader catalog (255 vs 1 models). Gamko New Energy leads on peak efficiency at 24.14%. Gamko New Energy leans bifacial (81% of lineup).


## The two companies


| Attribute | AU Optronics | Gamko New Energy |
| --- | --- | --- |
| Country | Taiwan | China |
| Headquarters | Hsinchu | Nantong, Jiangsu |
| Founded | 1996 | 2008 |
| Employees | 41000+ | 201-300 |
| Annual capacity |  | 1.2 GW/year |
| Tier 1 | yes |  |
| Listed | TWSE (Taiwan Stock Exchange): 2409 |  |
| Website | [https://www.auo.com/en-global](https://www.auo.com/en-global) | [http://www.gamkosolar.com](http://www.gamkosolar.com) |

AU Optronics (AUO) is a technology-driven company based in Taiwan, specializing in optoelectronics and display solutions. They deliver products and services that advance innovation in areas like display technology, system solutions, industrial intelligence, healthcare, and energy. AUO operates globally across Asia...

Gamko New Energy is a professional solar module manufacturer with a 10-year experience in production and quality control since 2008. They also provide technical services for solar power plants, including design, installation, and maintenance. In 2018, their production capacity reached 2GW.


## Catalog & Power


| Measure | AU Optronics | Gamko New Energy | Margin |
| --- | --- | --- | --- |
| Panel Models | 1 | 255 | +254 |
| Max Power | 170 W | 750 W | +580 W |
| Avg Power | 170 W | 500 W | +330 W |


## Efficiency


| Measure | AU Optronics | Gamko New Energy | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 16.00% | 24.14% | +8.14 pp |
| Avg Efficiency | 16.00% | 22.03% | +6.03 pp |


## Reliability & Warranty


| Measure | AU Optronics | Gamko New Energy | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.438%/°C | -0.332%/°C | +0.106 |
| Bifacial Share | 0 (0%) | 207 (81%) | +81 pp |
| Avg Warranty | - | 30.0 yrs |  |


## Efficiency distribution

Gamko New Energy skews to higher efficiency: 40% of lineup is 23%+


| Efficiency band | AU Optronics | Gamko New Energy |
| --- | --- | --- |
| \<20% | 1 (100.0%) | 9 (3.5%) |
| 20-21% | 0 | 64 (25.1%) |
| 21-22% | 0 | 46 (18.0%) |
| 22-23% | 0 | 35 (13.7%) |
| 23%+ | 0 | 101 (39.6%) |


## Power distribution

Gamko New Energy offers more 600W+ panels (23% of lineup)


| Power band | AU Optronics | Gamko New Energy |
| --- | --- | --- |
| \<400W | 1 (100.0%) | 47 (18.4%) |
| 400-499W | 0 | 71 (27.8%) |
| 500-599W | 0 | 79 (31.0%) |
| 600-699W | 0 | 42 (16.5%) |
| 700W+ | 0 | 16 (6.3%) |


## Cell technology

Dominant cell tech: **TOPCon** (57%)


| Technology | AU Optronics | Gamko New Energy |
| --- | --- | --- |
| Unknown | 1 (100.0%) | 0 |
| TOPCon | 0 | 146 (57.3%) |
| PERC | 0 | 106 (41.6%) |
| Flexible | 0 | 3 (1.2%) |


## Top panels, AU Optronics


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [ASM170M](https://comparepv.com/panel/au-optronics-asm170m) | 170 | 16.0 | -0.438 | Monocrystalline |


## Top panels, Gamko New Energy


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [GKA210N132](https://comparepv.com/panel/gamko-new-energy-gka210n132) | 750 | 24.1 | -0.340 | Monocrystalline |
| 2 | [GKA210N132-750](https://comparepv.com/panel/gamko-new-energy-gka210n132-750) | 750 | 24.1 | -0.340 | Monocrystalline |
| 3 | [GKA210N132-745](https://comparepv.com/panel/gamko-new-energy-gka210n132-745) | 745 | 24.0 | -0.340 | Monocrystalline |
| 4 | [GKA210N132-740](https://comparepv.com/panel/gamko-new-energy-gka210n132-740) | 740 | 23.8 | -0.340 | Monocrystalline |
| 5 | [GKA210N132-735](https://comparepv.com/panel/gamko-new-energy-gka210n132-735) | 735 | 23.7 | -0.340 | Monocrystalline |
| 6 | [GKA210N132-730](https://comparepv.com/panel/gamko-new-energy-gka210n132-730) | 730 | 23.5 | -0.340 | Monocrystalline |
| 7 | [GKA210N132-720W (series)](https://comparepv.com/panel/gamko-new-energy-gka210n132-720w-series) | 720 | 23.2 | -0.340 | Monocrystalline |
| 8 | [GKA210N132-720W](https://comparepv.com/panel/gamko-new-energy-gka210n132-720w) | 720 | 23.2 | -0.340 | Monocrystalline |
| 9 | [GKA210N132-715W (series)](https://comparepv.com/panel/gamko-new-energy-gka210n132-715w-series) | 715 | 23.0 | -0.340 | Monocrystalline |
| 10 | [GKA210N132-715W](https://comparepv.com/panel/gamko-new-energy-gka210n132-715w) | 715 | 23.0 | -0.340 | Monocrystalline |


## Other comparisons

- [AU Optronics vs A.B. Energy](https://comparepv.com/au-optronics-vs-a-b-energy)
- [AE Solar vs Gamko New Energy](https://comparepv.com/ae-solar-vs-gamko-new-energy)
- [AU Optronics vs AEET](https://comparepv.com/au-optronics-vs-aeet)
- [AIKO vs Gamko New Energy](https://comparepv.com/aiko-vs-gamko-new-energy)
- [AU Optronics vs AKCOME](https://comparepv.com/au-optronics-vs-akcome)
- [ARTsolar vs Gamko New Energy](https://comparepv.com/artsolar-vs-gamko-new-energy)


---

Source: https://comparepv.com/au-optronics-vs-gamko-new-energy

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