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

Market context

Global benchmark

Premium Performance

G4 Infinite Ultra

AIKO

77/ 100

Superior

Limited evidence coverage · 12%

Evidence checked 2026-07-14

Back-Contact Cell25.6% EfficiencyClass-Leading Temp Coeff15+ Yrs Field-Proven
Full scorecard
Premium Performance

Comet 1N

AIKO

76/ 100

Superior

Strong evidence coverage · 69%

Evidence checked 2026-06-16

Back-Contact CellClass-Leading Temp Coeff15+ Yrs Field-ProvenPVEL Top Performer
Full scorecard
Side by side

Score profile

MeasureG4 Infinite UltraComet 1N
Architecture & Design85 / 10086 / 100
Efficiency & Yield82 / 10076 / 100
Durability (verified)66 / 10074 / 100
Performance & Degradation78 / 10078 / 100
Guarantee & Backbone74 / 10064 / 100
Sustainability80 / 10080 / 100

Architecture & Design

G4 Infinite Ultra
85 / 100
Comet 1N
86 / 100

Efficiency & Yield

G4 Infinite Ultra
82 / 100
Comet 1N
76 / 100

Durability (verified)

G4 Infinite Ultra
66 / 100
Comet 1N
74 / 100

Performance & Degradation

G4 Infinite Ultra
78 / 100
Comet 1N
78 / 100

Guarantee & Backbone

G4 Infinite Ultra
74 / 100
Comet 1N
64 / 100

Sustainability

G4 Infinite Ultra
80 / 100
Comet 1N
80 / 100
Side by side

Key specifications

MeasureG4 Infinite UltraComet 1N
Published rated power range690 W590–615 W
Power690 W615 W
Efficiency25.6 %23.8 %
CellBack-contactBack-contact
Temp coeff-0.26 %/°C-0.26 %/°C
Scored benchmarkNot stated615 W

Published rated power range

G4 Infinite Ultra
690 W
Comet 1N
590–615 W

Power

G4 Infinite Ultra
690 W
Comet 1N
615 W

Efficiency

G4 Infinite Ultra
25.6 %
Comet 1N
23.8 %

Cell

G4 Infinite Ultra
Back-contact
Comet 1N
Back-contact

Temp coeff

G4 Infinite Ultra
-0.26 %/°C
Comet 1N
-0.26 %/°C

Scored benchmark

G4 Infinite Ultra
Not stated
Comet 1N
615 W
Decision snapshot

Where the comparison separates

OverallG4 Infinite Ultra leads the global score by 1 point.
Strongest dimensionsG4 Infinite Ultra: Architecture & Design · Comet 1N: Architecture & Design
Largest differenceG4 Infinite Ultra has the largest pillar edge in Guarantee & Backbone (10 points).
Evidence coverageG4 Infinite Ultra: limited evidence coverage (12%) · Comet 1N: strong evidence coverage (69%)

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 Premium Performance class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.