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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

Max 54-cell

SunPower

68/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-07-27

Back-Contact Cell24.7% 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

MeasureMax 54-cellComet 1N
Architecture & Design88 / 10086 / 100
Efficiency & Yield64 / 10076 / 100
Durability (verified)47 / 10074 / 100
Performance & Degradation78 / 10078 / 100
Guarantee & Backbone79 / 10064 / 100
Sustainability47 / 10080 / 100

Architecture & Design

Max 54-cell
88 / 100
Comet 1N
86 / 100

Efficiency & Yield

Max 54-cell
64 / 100
Comet 1N
76 / 100

Durability (verified)

Max 54-cell
47 / 100
Comet 1N
74 / 100

Performance & Degradation

Max 54-cell
78 / 100
Comet 1N
78 / 100

Guarantee & Backbone

Max 54-cell
79 / 100
Comet 1N
64 / 100

Sustainability

Max 54-cell
47 / 100
Comet 1N
80 / 100
Side by side

Key specifications

MeasureMax 54-cellComet 1N
Published rated power range490–505 W590–615 W
Scored benchmark505 W615 W
Power505 W615 W
Efficiency24.7 %23.8 %
CellBack-contactBack-contact
Temp coeff-0.26 %/°C-0.26 %/°C

Published rated power range

Max 54-cell
490–505 W
Comet 1N
590–615 W

Scored benchmark

Max 54-cell
505 W
Comet 1N
615 W

Power

Max 54-cell
505 W
Comet 1N
615 W

Efficiency

Max 54-cell
24.7 %
Comet 1N
23.8 %

Cell

Max 54-cell
Back-contact
Comet 1N
Back-contact

Temp coeff

Max 54-cell
-0.26 %/°C
Comet 1N
-0.26 %/°C
Decision snapshot

Where the comparison separates

OverallComet 1N leads the global score by 8 points.
Strongest dimensionsMax 54-cell: Architecture & Design · Comet 1N: Architecture & Design
Largest differenceComet 1N has the largest pillar edge in Sustainability (33 points).
Evidence coverageMax 54-cell: strong evidence coverage (100%) · 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.