monthletWeighted decision matrix
This note was made by asking monthlet's chat:
Compare 3 fictional laptops on price, weight, battery and screen, and score them with a weighted average.
Laptop Comparison & Weighted Score
Side-by-side comparison of three fictional laptops across four key criteria, with a weighted average score to find the best overall pick.
Specs at a Glance
| Spec | NovaThin X1 | ArcBook Pro 14 | StellarEdge Z9 |
|---|---|---|---|
| Price (USD) | $899 | $1,299 | $1,799 |
| Weight (kg) | 1.1 kg | 1.6 kg | 2.1 kg |
| Battery Life (hrs) | 14 hrs | 11 hrs | 9 hrs |
| Screen (inches / res) | 13.3″ FHD IPS | 14″ 2K OLED | 15.6″ 4K AMOLED |
Criterion Scores (1–10)
Each laptop is scored out of 10 per criterion. Higher is always better (price score = affordability).
| Criterion | Weight | NovaThin X1 | ArcBook Pro 14 | StellarEdge Z9 |
|---|---|---|---|---|
| Price (affordability) | 35% | 9 | 6 | 3 |
| Weight (portability) | 25% | 10 | 7 | 4 |
| Battery Life | 25% | 9 | 7 | 5 |
| Screen Quality | 15% | 6 | 8 | 10 |
Weighted Average Score
🥇 NovaThin X1
Weighted Score / 10
- Price9×0.35
- Weight10×0.25
- Battery9×0.25
- Screen6×0.15
Weighted average8.8
Best everyday workhorse — ultra-light, long battery, very affordable.
🥈 ArcBook Pro 14
Weighted Score / 10
- Price6×0.35
- Weight7×0.25
- Battery7×0.25
- Screen8×0.15
Weighted average6.8
Solid all-rounder with a gorgeous 2K OLED display and decent portability.
🥉 StellarEdge Z9
Weighted Score / 10
- Price3×0.35
- Weight4×0.25
- Battery5×0.25
- Screen10×0.15
Weighted average4.8
Stunning 4K AMOLED screen but heavy, pricey, and power-hungry.
Verdict
Best Pick: NovaThin X1
With the highest weighted score, the NovaThin X1 wins on the criteria that matter most to most users — price, portability, and endurance. Choose the ArcBook Pro 14 if display quality is a priority and budget allows. The StellarEdge Z9 is a niche pick for screen-first power users.
How weights were chosen
Weights reflect typical consumer priorities for a portable laptop:
- Price (35%)
- Most buyers have a budget ceiling — affordability drives purchase decisions.
- Weight (25%)
- Portability is critical for daily commutes and travel.
- Battery (25%)
- All-day use without a charger is a common requirement.
- Screen (15%)
- Important but secondary — even FHD is adequate for most tasks.
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