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Compare like with like. Aligned scores, specifications and local evidence within one scoring class or tier.

Market context

Global benchmark

Inverter

X3 Ultra

SolaX

76/ 100

Superior

Strong evidence coverage · 100%

Evidence checked 2026-08-02

AFCI IntegratedIP66 RatedWhole-Home Backup
Full scorecard
Inverter

Primo GEN24 10.0

Fronius

55/ 100

Average

Strong evidence coverage · 100%

Evidence checked 2026-07-16

AFCI IntegratedWhole-Home Backup
Full scorecard
Side by side

Score profile

MeasureX3 UltraPrimo GEN24 10.0
Efficiency72 / 10047 / 100
Design & Flexibility94 / 10052 / 100
Thermal & Physical Resilience81 / 10047 / 100
Features & Integration86 / 10086 / 100
Safety & Compliance87 / 10062 / 100
Guarantee & Backbone62 / 10040 / 100
Energy Ecosystem48 / 10054 / 100

Efficiency

X3 Ultra
72 / 100
Primo GEN24 10.0
47 / 100

Design & Flexibility

X3 Ultra
94 / 100
Primo GEN24 10.0
52 / 100

Thermal & Physical Resilience

X3 Ultra
81 / 100
Primo GEN24 10.0
47 / 100

Features & Integration

X3 Ultra
86 / 100
Primo GEN24 10.0
86 / 100

Safety & Compliance

X3 Ultra
87 / 100
Primo GEN24 10.0
62 / 100

Guarantee & Backbone

X3 Ultra
62 / 100
Primo GEN24 10.0
40 / 100

Energy Ecosystem

X3 Ultra
48 / 100
Primo GEN24 10.0
54 / 100
Side by side

Key specifications

MeasureX3 UltraPrimo GEN24 10.0
Published rated AC power range15–30 kW10 kW
Scored benchmark30 kWNot stated
Power30 kW10.0 kW
TypeHybridHybrid
Peak eff98 %Not recorded
MPPTs32

Published rated AC power range

X3 Ultra
15–30 kW
Primo GEN24 10.0
10 kW

Scored benchmark

X3 Ultra
30 kW
Primo GEN24 10.0
Not stated

Power

X3 Ultra
30 kW
Primo GEN24 10.0
10.0 kW

Type

X3 Ultra
Hybrid
Primo GEN24 10.0
Hybrid

Peak eff

X3 Ultra
98 %
Primo GEN24 10.0
Not recorded

MPPTs

X3 Ultra
3
Primo GEN24 10.0
2
Decision snapshot

Where the comparison separates

OverallX3 Ultra leads the global score by 21 points.
Strongest dimensionsX3 Ultra: Design & Flexibility · Primo GEN24 10.0: Features & Integration
Largest differenceX3 Ultra has the largest pillar edge in Design & Flexibility (42 points).
Evidence coverageX3 Ultra: strong evidence coverage (100%) · Primo GEN24 10.0: strong evidence coverage (100%)

A score lead is only meaningful inside this shared class or tier. Weigh it against the specification and evidence rows above before deciding.

Both products are scored in the Inverter class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.