Fronius Primo 3.5-1 vs GoodWe GW3.6K-DNS-G40
AC power: Fronius Primo 3.5-1 3.5 kW, GoodWe GW3.6K-DNS-G40 3.6 kW. The GoodWe GW3.6K-DNS-G40 is better on 6 of 9 comparable points.
Who wins where
- Fronius Primo 3.5-1
- GoodWe GW3.6K-DNS-G40
Biggest differences
| Fact | Primo 3.5-1 | GW3.6K-DNS-G40 |
|---|---|---|
| Weight | 21.5 kg | 9.2 kg |
| MPPT voltage min. | 80 V | 40 V |
| Max. input current per MPPT | 12 A | 20 A |
| MPPT voltage max. | 800 V | 560 V |
| AC power | 3.5 kW | 3.6 kW |
Score per area = position (0–100) relative to all 238 models in this category; higher is better.
| Technical specifications | FroniusPrimo 3.5-1 | GoodWeGW3.6K-DNS-G40 |
|---|---|---|
| Performance | ||
| AC power | 3.5 kW 1 | 3.6 kW ✓ 2 |
| MPP trackers | 2 1 | 2 2 |
| Efficiency | ||
| Max. efficiency | 98 % 1 | 98.1 % ✓ 2 |
| European efficiency | 96.8 % 1 | 97.2 % ✓ 2 |
| Electrical | ||
| MPPT voltage min. | 80 V 1 | 40 V ✓ 2 |
| MPPT voltage max. | 800 V ✓ 1 | 560 V 2 |
| Max. input current per MPPT | 12 A 1 | 20 A ✓ 2 |
| Phases | – | 1 2 |
| Connectivity & smart | ||
| Wi-Fi / monitoring | Yes 1 | Yes 2 |
| Dimensions & weight | ||
| IP rating | – | IP66 2 |
| Width | 431 mm 1 | 358 mm 2 |
| Height | 645 mm 1 | 323 mm 2 |
| Depth | 204 mm 1 | 165 mm 2 |
| Weight | 21.5 kg 1 | 9.2 kg ✓ 2 |
Sources
- FRONIUS PRIMO, v19 Dec 2022 — Fronius · accessed 2 Oct 2026
- DNS G4 Series 3–6 kW string inverter (EMEA) – datasheet, EN-EMEA V1.1 (20250617) — GoodWe Technologies Co., Ltd. · accessed 27 Sept 2026