---
title: "Gokin vs Tongwei - Brand Comparison | ComparePV"
description: "Compare Gokin vs Tongwei solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/gokin-vs-tongwei"
image: "https://comparepv.com/og/compare/manufacturers/gokin/tongwei.png"
---

# Gokin vs Tongwei

Tongwei has the broader catalog (122 vs 44 models). Gokin leads on peak efficiency at 24.50%. Tongwei leans bifacial (69% of lineup).


## The two companies


| Attribute | Gokin | Tongwei |
| --- | --- | --- |
| Country |  | China |
| Headquarters |  | Chengdu |
| Founded |  | 2013 |
| Employees |  |  |
| Annual capacity |  |  |
| Tier 1 | no | yes |
| Listed |  | SSE: 600438 |
| Website |  | [https://en.tongwei.com.cn](https://en.tongwei.com.cn) |


## Catalog & Power


| Measure | Gokin | Tongwei | Margin |
| --- | --- | --- | --- |
| Panel Models | 44 | 122 | +78 |
| Max Power | 780 W | 750 W | +30 W |
| Avg Power | 517 W | 584 W | +67 W |


## Efficiency


| Measure | Gokin | Tongwei | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.50% | 24.20% | +0.30 pp |
| Avg Efficiency | 23.58% | 22.59% | +0.99 pp |


## Reliability & Warranty


| Measure | Gokin | Tongwei | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.260%/°C | -0.284%/°C | +0.024 |
| Bifacial Share | 5 (11%) | 84 (69%) | +57 pp |
| Avg Warranty | 30.0 yrs | 29.5 yrs | +0.5 yr |


## Efficiency distribution

Gokin skews to higher efficiency: 82% of lineup is 23%+


| Efficiency band | Gokin | Tongwei |
| --- | --- | --- |
| 22-23% | 8 (18.2%) | 50 (41.0%) |
| 23%+ | 36 (81.8%) | 50 (41.0%) |
| \<20% | 0 | 2 (1.6%) |
| 20-21% | 0 | 6 (4.9%) |
| 21-22% | 0 | 14 (11.5%) |


## Power distribution

Tongwei offers more 600W+ panels (53% of lineup)


| Power band | Gokin | Tongwei |
| --- | --- | --- |
| 400-499W | 28 (63.6%) | 41 (33.6%) |
| 500-599W | 11 (25.0%) | 16 (13.1%) |
| 700W+ | 5 (11.4%) | 32 (26.2%) |
| 600-699W | 0 | 33 (27.0%) |


## Cell technology

Dominant cell tech: Back Contact (100%)

Dominant cell tech: TOPCon (47%)


| Technology | Gokin | Tongwei |
| --- | --- | --- |
| Back Contact | 44 (100.0%) | 0 |
| TOPCon | 0 | 57 (46.7%) |
| N-type | 0 | 44 (36.1%) |
| PERC | 0 | 10 (8.2%) |
| Unknown | 0 | 6 (4.9%) |
| HJT | 0 | 5 (4.1%) |


## Top panels, Gokin


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [GK-4-78HGBD-780M](https://comparepv.com/panel/gokin-gk-4-78hgbd-780m) | 780 | 24.3 | -0.260 | Monocrystalline |
| 2 | [GK-4-78HGBD-775M](https://comparepv.com/panel/gokin-gk-4-78hgbd-775m) | 775 | 24.1 | -0.260 | Monocrystalline |
| 3 | [GK-4-78HGBD-770M](https://comparepv.com/panel/gokin-gk-4-78hgbd-770m) | 770 | 24.0 | -0.260 | Monocrystalline |
| 4 | [GK-4-78HGBD-765M](https://comparepv.com/panel/gokin-gk-4-78hgbd-765m) | 765 | 23.8 | -0.260 | Monocrystalline |
| 5 | [GK-4-78HGBD-760M](https://comparepv.com/panel/gokin-gk-4-78hgbd-760m) | 760 | 23.7 | -0.260 | Monocrystalline |
| 6 | [GK-5-60HG-540M](https://comparepv.com/panel/gokin-gk-5-60hg-540m) | 540 | 24.4 | -0.260 | Monocrystalline |
| 7 | [GK-5-60HG-535M](https://comparepv.com/panel/gokin-gk-5-60hg-535m) | 535 | 24.1 | -0.260 | Monocrystalline |
| 8 | [GK-5-60HG-530M](https://comparepv.com/panel/gokin-gk-5-60hg-530m) | 530 | 23.9 | -0.260 | Monocrystalline |
| 9 | [GK-5-60HG-525M](https://comparepv.com/panel/gokin-gk-5-60hg-525m) | 525 | 23.7 | -0.260 | Monocrystalline |
| 10 | [GK-5-60HG-520M](https://comparepv.com/panel/gokin-gk-5-60hg-520m) | 520 | 23.5 | -0.260 | Monocrystalline |


## Top panels, Tongwei


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [TWMNF-66HD750](https://comparepv.com/panel/tongwei-solar-twmnf-66hd750) | 750 | 24.1 | -0.280 | Monocrystalline |
| 2 | [TWMNF-66HD745](https://comparepv.com/panel/tongwei-solar-twmnf-66hd745) | 745 | 24.0 | -0.280 | Monocrystalline |
| 3 | [TWMNF-66HD740](https://comparepv.com/panel/tongwei-solar-twmnf-66hd740) | 740 | 23.8 | -0.280 | Monocrystalline |
| 4 | [TWMHF-66HD740X](https://comparepv.com/panel/tw-solar-twmhf-66hd740x) | 740 | 23.8 | -0.240 | Monocrystalline |
| 5 | [THC G12-66 Bifacial](https://comparepv.com/panel/tongwei-thc-g12-66-bifacial) | 740 | 23.8 | -0.280 | Monocrystalline |
| 6 | [TWMNF-66HD735](https://comparepv.com/panel/tongwei-solar-twmnf-66hd735) | 735 | 23.7 | -0.280 | Monocrystalline |
| 7 | [TWMHF-66HD735X](https://comparepv.com/panel/tw-solar-twmhf-66hd735x) | 735 | 23.7 | -0.240 | Monocrystalline |
| 8 | [TWMHF-66HD730X](https://comparepv.com/panel/tw-solar-twmhf-66hd730x) | 730 | 23.5 | -0.240 | Monocrystalline |
| 9 | [TWMNF-66HD730](https://comparepv.com/panel/tongwei-solar-twmnf-66hd730) | 730 | 23.5 | -0.280 | Monocrystalline |
| 10 | [TWMNF-66HD725](https://comparepv.com/panel/tongwei-solar-twmnf-66hd725) | 725 | 23.3 | -0.280 | Monocrystalline |


## Other comparisons

- [Gokin vs A.B. Energy](https://comparepv.com/gokin-vs-a-b-energy)
- [AE Solar vs Tongwei](https://comparepv.com/ae-solar-vs-tongwei)
- [Gokin vs AEET](https://comparepv.com/gokin-vs-aeet)
- [AIKO vs Tongwei](https://comparepv.com/aiko-vs-tongwei)
- [Gokin vs AKCOME](https://comparepv.com/gokin-vs-akcome)
- [ARTsolar vs Tongwei](https://comparepv.com/artsolar-vs-tongwei)


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Source: https://comparepv.com/gokin-vs-tongwei

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