---
title: "Growatt NEO 800M-X (WiFi) vs Longi Solar SUN-M80G3-US-Q0 - Inverter Comparison | ComparePV"
description: "Compare Growatt NEO 800M-X (WiFi) vs Longi Solar SUN-M80G3-US-Q0 side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/growatt-neo-800m-x-wifi/longi-solar-sun-m80g3-us-q0"
updated: 2026-01-17
---

# Growatt NEO 800M-X (WiFi) vs Longi Solar SUN-M80G3-US-Q0

NEO 800M-X (WiFi) leads on the differences that matter

The largest is max input current per tracker: 5.0 A more headroom. 11 of 18 comparable parameters are identical, with 14 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Growatt NEO 800M-X (WiFi)](https://comparepv.com/inverter/growatt-neo-800m-x-wifi) | [Longi Solar SUN-M80G3-US-Q0](https://comparepv.com/inverter/longi-solar-sun-m80g3-us-q0) |
| Manufacturer | Growatt | Longi Solar |
| Rated AC power | 0.8 kW | 0.8 kW |
| Type | Microinverter | Microinverter |


## Where they differ

Ranked by how much the difference matters, not by datasheet order.


| Parameter | NEO 800M-X (WiFi) | SUN-M80G3-US-Q0 | Difference |
| --- | --- | --- | --- |
| Max input current per tracker | 18.0 A | 13.0 A | +5.0 A for NEO 800M-X (WiFi) |
| Max efficiency | 97.3 % | 96.5 % | +0.8 pp for NEO 800M-X (WiFi) |
| Warranty | 12 yrs | 10 yrs | +2 yrs for NEO 800M-X (WiFi) |
| Weight per kW | 3.9 kg/kW | 4.4 kg/kW | -0.5 kg/kW for NEO 800M-X (WiFi) |
| Max operating temperature | 65 °C | 60 °C | +5 °C for NEO 800M-X (WiFi) |
| MPPT voltage range | 28-60 V | 25-55 V | 28-60 V vs 25-55 V |
| Dimensions | 252x270x42 mm | 229x212x40 mm | 252x270x42 mm vs 229x212x40 mm |


## Every compared parameter


| Parameter | NEO 800M-X (WiFi) | SUN-M80G3-US-Q0 |
| --- | --- | --- |
| Rated AC power | 0.80 kW | 0.80 kW |
| Max AC power | 0.80 kW | 0.80 kW |
| Grid connection | Single-phase | Single-phase |
| Nominal AC voltage | 230 V | - |
| Max AC current | 3.5 A | 3.6 A |
| Max PV power | - | - |
| DC/AC ratio | - | - |
| Max DC voltage | 60 V | 60 V |
| MPPT voltage range | 28-60 V | 25-55 V |
| Start voltage | 16 V | - |
| MPP trackers | 2 | 2 |
| Strings per tracker | 1 | 1 |
| Max input current per tracker | 18.0 A | 13.0 A |
| European efficiency | - | - |
| Max efficiency | 97.3 % | 96.5 % |
| CEC efficiency | - | 95.0 % |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 3.1 kg | 3.5 kg |
| Weight per kW | 3.9 kg/kW | 4.4 kg/kW |
| Dimensions | 252x270x42 mm | 229x212x40 mm |
| Ingress protection | IP67 | IP67 |
| Cooling | natural | natural |
| Noise | - | - |
| Max operating temperature | 65 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | - | - |
| Arc fault protection | - | - |
| Integrated DC switch | - | - |
| Warranty | 12 yrs | 10 yrs |


## Related comparisons

- [Growatt NEO 800M-X (WiFi) vs Sungrow S800S](https://comparepv.com/compare-inverters/growatt-neo-800m-x-wifi/sungrow-s800s) - 5 differences, the largest is max input current per tracker
- [Growatt NEO 800M-X (WiFi) vs Growatt NEO 800M-X (LoRa)](https://comparepv.com/compare-inverters/growatt-neo-800m-x-wifi/growatt-neo-800m-x-lora) - The same specification on paper
- [Growatt NEO 800M-X (WiFi) vs Longi Solar SUN-M80G3-EU-Q0](https://comparepv.com/compare-inverters/growatt-neo-800m-x-wifi/longi-solar-sun-m80g3-eu-q0) - 7 differences, the largest is max input current per tracker


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Source: https://comparepv.com/compare-inverters/growatt-neo-800m-x-wifi/longi-solar-sun-m80g3-us-q0

Not in this file, on the page: a written summary generated on request.