ASUS - Zenbook Duo (2024) vs Lenovo - Yoga 9i Gen 9

These two are nearly even on the Mars Score (68.1 vs 65.9). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the Zenbook Duo (2024) if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are ram.

Pick the Yoga 9i Gen 9 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are claimed battery life, weight.

Both ship with comparable storage, battery, screen size, so those specs don't separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.