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

# Gokin vs Silfab

Silfab has the broader catalog (47 vs 44 models). Gokin leads on peak efficiency at 24.50%. Silfab leans bifacial (30% of lineup).


## The two companies


| Attribute | Gokin | Silfab |
| --- | --- | --- |
| Country |  | Canada |
| Headquarters |  | Mississauga |
| Founded |  | 2010 |
| Employees |  | 800+ |
| Annual capacity |  | 1.6 GW/year |
| Tier 1 | no | yes |
| Listed |  |  |
| Website |  | [https://www.silfabsolar.com](https://www.silfabsolar.com) |

Silfab Solar is a North American leader in the design, development, and manufacture of high-efficiency, premium-quality solar cells and modules. Leveraging over 40 years of solar experience, they operate fully automated facilities in Washington, South Carolina, and Ontario, Canada. Their products are designed and...


## Catalog & Power


| Measure | Gokin | Silfab | Margin |
| --- | --- | --- | --- |
| Panel Models | 44 | 47 | +3 |
| Max Power | 780 W | 640 W | +140 W |
| Avg Power | 517 W | 429 W | +88 W |


## Efficiency


| Measure | Gokin | Silfab | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.50% | 22.92% | +1.58 pp |
| Avg Efficiency | 23.58% | 20.56% | +3.01 pp |


## Reliability & Warranty


| Measure | Gokin | Silfab | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.260%/°C | -0.341%/°C | +0.081 |
| Bifacial Share | 5 (11%) | 14 (30%) | +18 pp |
| Avg Warranty | 30.0 yrs | 30.0 yrs |  |


## Efficiency distribution

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


| Efficiency band | Gokin | Silfab |
| --- | --- | --- |
| 22-23% | 8 (18.2%) | 13 (27.7%) |
| 23%+ | 36 (81.8%) | 0 |
| \<20% | 0 | 19 (40.4%) |
| 20-21% | 0 | 5 (10.6%) |
| 21-22% | 0 | 10 (21.3%) |


## Power distribution

Gokin offers more 600W+ panels (11% of lineup)


| Power band | Gokin | Silfab |
| --- | --- | --- |
| 400-499W | 28 (63.6%) | 10 (21.3%) |
| 500-599W | 11 (25.0%) | 12 (25.5%) |
| 700W+ | 5 (11.4%) | 0 |
| \<400W | 0 | 22 (46.8%) |
| 600-699W | 0 | 3 (6.4%) |


## Cell technology

Dominant cell tech: Back Contact (100%)

Dominant cell tech: PERC (45%)


| Technology | Gokin | Silfab |
| --- | --- | --- |
| Back Contact | 44 (100.0%) | 0 |
| PERC | 0 | 21 (44.7%) |
| N-type | 0 | 19 (40.4%) |
| Unknown | 0 | 6 (12.8%) |
| TOPCon | 0 | 1 (2.1%) |


## 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, Silfab


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [SIL-640 XL](https://comparepv.com/panel/silfab-sil-640-xl) | 640 | 22.9 | -0.290 | Monocrystalline |
| 2 | [SIL-630 XL](https://comparepv.com/panel/silfab-sil-630-xl) | 630 | 22.6 | -0.290 | Monocrystalline |
| 3 | [SIL-620 XL](https://comparepv.com/panel/silfab-sil-620-xl) | 620 | 22.2 | -0.290 | Monocrystalline |
| 4 | [SIL-590 XM+](https://comparepv.com/panel/silfab-sil-590-xm) | 590 | 22.8 | -0.290 | Monocrystalline |
| 5 | [SIL-580-XM+-BIFACIAL](https://comparepv.com/panel/silfab-sil-580-xm-bifacial) | 580 | 22.4 | -0.290 | Monocrystalline |
| 6 | [SIL-570 XM+ BIFACIAL](https://comparepv.com/panel/silfab-sil-570-xm-bifacial) | 570 | 22.1 | -0.290 | Monocrystalline |
| 7 | [SIL-570 XM+](https://comparepv.com/panel/silfab-sil-570-xm) | 570 | 22.1 | -0.290 | Monocrystalline |
| 8 | [SIL-540-XM-BIFACIAL](https://comparepv.com/panel/silfab-sil-540-xm-bifacial) | 540 | 22.7 | -0.290 | Monocrystalline |
| 9 | [SIL-530 QM](https://comparepv.com/panel/silfab-sil-530-qm) | 530 | 22.3 | -0.290 | Monocrystalline |
| 10 | [SIL-530 XM](https://comparepv.com/panel/silfab-sil-530-xm) | 530 | 22.3 | -0.290 | Monocrystalline |


## Other comparisons

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


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

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