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ASUS - Zenbook Duo (2024) vs ASUS - Zenbook S 14 UX5406

Last updated · How Mars Score works
Zenbook Duo (2024)ASUSRENDER
Probe A
ASUS
Zenbook Duo (2024)
68.1/ 100B
Performance65· 35%
Battery & Ports76· 27%
Design· 20%
Display61· 18%
Zenbook S 14 UX5406ASUSRENDER
Probe B
ASUS
Zenbook S 14 UX5406
64.2/ 100C
Performance58· 35%
Battery & Ports74· 27%
Design· 20%
Display61· 18%
Quick verdict

Between the Zenbook Duo (2024) and Zenbook S 14 UX5406, the Zenbook Duo (2024) comes out ahead in cpu cores / battery, while the Zenbook S 14 UX5406 wins on claimed battery life / weight. Overall, the Zenbook Duo (2024) scores 68.1 and the Zenbook S 14 UX5406 scores 64.2 on our Mars Score.

Buying advice

Which should you buy?

The Zenbook Duo (2024) edges ahead on the Mars Score (68.1 vs 64.2), but the 3.9-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the Zenbook Duo (2024) if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are cpu cores, battery.

Pick the Zenbook S 14 UX5406 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 ram, storage, screen size, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.

Why ASUS - Zenbook Duo (2024) wins

  • CPU cores — 100.00% more. 16 vs 8.
  • Battery — 4.17% more. 75 Wh vs 72 Wh.

Why ASUS - Zenbook S 14 UX5406 wins

  • Claimed battery life — 33.33% more. 16 h vs 12 h.
  • Weight — 0.45 kg less. 1.20 vs 1.65.
Full readout

Spec comparison

Design

SpecASUS - Zenbook Duo (2024)ASUS - Zenbook S 14 UX5406
Weight1.65 kg1.20 kglead
Thickness14.6 mm11.9 mmlead
Build materialaluminumceraluminum
Backlit keyboardtruetrue
Fingerprint readerfalsetruelead

Display

SpecASUS - Zenbook Duo (2024)ASUS - Zenbook S 14 UX5406
Screen size14 "14 "
Refresh rate120 Hz120 Hz
Panel typeOLEDOLED

Performance

SpecASUS - Zenbook Duo (2024)ASUS - Zenbook S 14 UX5406
CPUIntel Core Ultra 9 185HIntel Core Ultra 7 258V
CPU cores16lead8
GPUIntel Arc GraphicsIntel Arc 140V
RAM32 GB32 GB
Storage1024 GB1024 GB
Storage typeSSDSSD

Battery & Ports

SpecASUS - Zenbook Duo (2024)ASUS - Zenbook S 14 UX5406
Battery75 Whlead72 Wh
Claimed battery life12 h16 hlead
USB-C ports22
Thunderbolt ports22
HDMItruetrue
Reader questions

Frequently asked

Which has better battery life, Zenbook Duo (2024) or Zenbook S 14 UX5406?+

Zenbook S 14 UX5406 claims up to 16 hours — 12h vs 16h.

Which is lighter, Zenbook Duo (2024) or Zenbook S 14 UX5406?+

Zenbook S 14 UX5406 is lighter at 1.20 kg vs 1.65 kg.

Which has an OLED display, Zenbook Duo (2024) or Zenbook S 14 UX5406?+

Both have OLED displays.

Drill down

Spec-level deep dives

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