Solar inverters · Compare

Fronius Primo GEN24 3.0 Plus vs Sofar 3.3KTLX-G3

AC power: Fronius Primo GEN24 3.0 Plus 3 kW, Sofar 3.3KTLX-G3 3 kW. The Sofar 3.3KTLX-G3 is better on 4 of 8 comparable points.

Who wins where

  • Fronius Primo GEN24 3.0 Plus
  • Sofar 3.3KTLX-G3
PerformanceEfficiencyElectricalConnectivity & smartDimensions & weight
Performance: Fronius Primo GEN24 3.0 Plus 31, Sofar 3.3KTLX-G3 31; Efficiency: Fronius Primo GEN24 3.0 Plus 24, Sofar 3.3KTLX-G3 76; Electrical: Fronius Primo GEN24 3.0 Plus 18, Sofar 3.3KTLX-G3 68; Connectivity & smart: Fronius Primo GEN24 3.0 Plus 50, Sofar 3.3KTLX-G3 50; Dimensions & weight: Fronius Primo GEN24 3.0 Plus 79, Sofar 3.3KTLX-G3 64

Biggest differences

FactPrimo GEN24 3.0 Plus3.3KTLX-G3
MPPT voltage max.530 V1,000 V
MPPT voltage min.190 V140 V
Weight15.4 kg17 kg
All specifications ↓

Score per area = position (0–100) relative to all 238 models in this category; higher is better.

Technical specifications FroniusPrimo GEN24 3.0 Plus Sofar3.3KTLX-G3
Performance
AC power 3 kW 1 3 kW 2
Max. PV array power 4.5 kWp 1 –
MPP trackers 2 1 2 2
Efficiency
Max. efficiency 97.6 % 1 98.4 % ✓ 2
European efficiency 96.8 % 1 97.5 % ✓ 2
Noise
Noise 42 dB(A) 1 –
Electrical
MPPT voltage min. 190 V 1 140 V ✓ 2
MPPT voltage max. 530 V 1 1,000 V ✓ 2
Max. input current per MPPT 22 A 1 –
Phases 1 1 –
Connectivity & smart
Hybrid (battery-ready) Yes 1 –
Backup power Yes 1 –
Wi-Fi / monitoring Yes 1 Yes 2
Dimensions & weight
IP rating IP66 1 IP65 2
Width 474 mm 1 –
Height 530 mm 1 –
Depth 165 mm 1 –
Weight 15.4 kg ✓ 1 17 kg 2

Sources

  1. Fronius Primo GEN24 & GEN24 Plus 3.0 - 6.0 kW – datasheet, EN V04 (June 2025) — Fronius International GmbH · accessed 27 Sept 2026
  2. SOFAR 3.3K~12KTLX-G3 Datasheet, 03 / 2023——V2 — SOFAR · accessed 29 Sept 2026