---
title: "Fronius Primo 4.6-1 vs Growatt MIN 4600TL-X2 (Pro) - Inverter Comparison | ComparePV"
description: "Compare Fronius Primo 4.6-1 vs Growatt MIN 4600TL-X2 (Pro) side by side: what actually differs, efficiency, MPP trackers, battery input and the full specification."
source: "https://comparepv.com/compare-inverters/fronius-international-fronius-primo-4-6-1/growatt-min-4600tl-x2-pro"
updated: 2026-01-16
---

# Fronius Primo 4.6-1 vs Growatt MIN 4600TL-X2 (Pro)

MIN 4600TL-X2 (Pro) leads on the differences that matter

The largest is european efficiency: 0.5 pp more efficient. 9 of 22 comparable parameters are identical, with 10 more left out because at least one datasheet does not publish them.


## The two inverters


| Attribute | A | B |
| --- | --- | --- |
| Inverter | [Fronius Primo 4.6-1](https://comparepv.com/inverter/fronius-international-fronius-primo-4-6-1) | [Growatt MIN 4600TL-X2 (Pro)](https://comparepv.com/inverter/growatt-min-4600tl-x2-pro) |
| Manufacturer | Fronius International | Growatt |
| Rated AC power | 4.6 kW | 4.6 kW |
| Type | Grid-tie | Grid-tie |


## Where they differ

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


| Parameter | Fronius Primo 4.6-1 | MIN 4600TL-X2 (Pro) | Difference |
| --- | --- | --- | --- |
| European efficiency | 97.0 % | 97.5 % | +0.5 pp for MIN 4600TL-X2 (Pro) |
| Max DC voltage | 1000 V | 550 V | 450 V apart |
| Weight | 21.5 kg | 10.8 kg | -10.7 kg for MIN 4600TL-X2 (Pro) |
| Weight per kW | 4.7 kg/kW | 2.3 kg/kW | -2.3 kg/kW for MIN 4600TL-X2 (Pro) |
| Max efficiency | 98.1 % | 98.4 % | +0.3 pp for MIN 4600TL-X2 (Pro) |
| Max operating temperature | 55 °C | 60 °C | +5 °C for MIN 4600TL-X2 (Pro) |
| Start voltage | 80 V | 50 V | -30 V for MIN 4600TL-X2 (Pro) |
| Ingress protection | IP65 | IP66 | IP65 vs IP66 |
| MPPT voltage range | 80-800 V | 40-550 V | 80-800 V vs 40-550 V |
| Max AC current | 20.0 A | 20.9 A | 0.9 A apart |
| Strings per tracker | 2 | 1 | 1 string apart |
| Dimensions | 645x431x204 mm | 350x375x158 mm | 645x431x204 mm vs 350x375x158 mm |
| Cooling | forced-air | natural | forced-air vs natural |


## Every compared parameter


| Parameter | Fronius Primo 4.6-1 | MIN 4600TL-X2 (Pro) |
| --- | --- | --- |
| Rated AC power | 4.60 kW | 4.60 kW |
| Max AC power | 4.60 kW | 4.60 kW |
| Grid connection | Single-phase | Single-phase |
| Nominal AC voltage | 230 V | 230 V |
| Max AC current | 20.0 A | 20.9 A |
| Max PV power | 6.90 kW | 6.90 kW |
| DC/AC ratio | 1.50 | 1.50 |
| Max DC voltage | 1000 V | 550 V |
| MPPT voltage range | 80-800 V | 40-550 V |
| Start voltage | 80 V | 50 V |
| MPP trackers | 2 | 2 |
| Strings per tracker | 2 | 1 |
| Max input current per tracker | 18.0 A | 18.0 A |
| European efficiency | 97.0 % | 97.5 % |
| Max efficiency | 98.1 % | 98.4 % |
| CEC efficiency | - | - |
| Battery input | - | - |
| Battery voltage | - | - |
| Max charge current | - | - |
| Backup power | - | - |
| Weight | 21.5 kg | 10.8 kg |
| Weight per kW | 4.7 kg/kW | 2.3 kg/kW |
| Dimensions | 645x431x204 mm | 350x375x158 mm |
| Ingress protection | IP65 | IP66 |
| Cooling | forced-air | natural |
| Noise | - | - |
| Max operating temperature | 55 °C | 60 °C |
| Wi-Fi | Yes | Yes |
| Ethernet | Yes | - |
| Arc fault protection | - | - |
| Integrated DC switch | Yes | - |
| Warranty | - | - |


## Related comparisons

- [Fronius Primo 4.6-1 vs GoodWe GW4600-SS](https://comparepv.com/compare-inverters/fronius-international-fronius-primo-4-6-1/goodwe-gw4600-ss) - 15 differences, the largest is max dc voltage
- [Fronius Primo 4.6-1 vs Growatt MIN 4600TL-X](https://comparepv.com/compare-inverters/fronius-international-fronius-primo-4-6-1/growatt-min-4600tl-x) - 16 differences, the largest is max dc voltage
- [Fronius Primo 4.6-1 vs Fronius Primo 5.0-1 AUS](https://comparepv.com/compare-inverters/fronius-international-fronius-primo-4-6-1/fronius-international-fronius-primo-5-0-1-aus) - 4 differences, the largest is max ac power
- [Growatt MIN 4600TL-X2 (Pro) vs Ginlong Solis S6-GR1P4.6K](https://comparepv.com/compare-inverters/growatt-min-4600tl-x2-pro/ginlong-solis-s6-gr1p4-6k) - 11 differences, the largest is max dc voltage


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Source: https://comparepv.com/compare-inverters/fronius-international-fronius-primo-4-6-1/growatt-min-4600tl-x2-pro

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