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Apple - MacBook Air 13 M4 vs Lenovo - ThinkPad X9 14 Gen 1

Last updated · How Mars Score works
MacBook Air 13 M4APPLERENDER
Probe A
Apple
MacBook Air 13 M4
52.8/ 100D
Performance50· 35%
Battery & Ports58· 27%
Design· 20%
Display49· 18%
ThinkPad X9 14 Gen 1LENOVORENDER
Probe B
Lenovo
ThinkPad X9 14 Gen 1
59.4/ 100C
Performance58· 35%
Battery & Ports60· 27%
Design· 20%
Display61· 18%
Quick verdict

Between the MacBook Air 13 M4 and ThinkPad X9 14 Gen 1, the MacBook Air 13 M4 comes out ahead in claimed battery life and cpu cores, while the ThinkPad X9 14 Gen 1 wins on storage and ram. Overall, the MacBook Air 13 M4 scores 52.8 and the ThinkPad X9 14 Gen 1 scores 59.4 on our Mars Score.

Buying advice

Which should you buy?

The ThinkPad X9 14 Gen 1 edges ahead on the Mars Score (52.8 vs 59.4), but the 6.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the MacBook Air 13 M4 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 claimed battery life, cpu cores, weight.

Pick the ThinkPad X9 14 Gen 1 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are storage, ram, refresh rate, among others.

Both ship with comparable thunderbolt ports, backlit keyboard, so those specs don't separate the two — focus on the differences below.

Bottom line: the ThinkPad X9 14 Gen 1 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why Apple - MacBook Air 13 M4 wins

  • Claimed battery life — 28.57% more. 18 h vs 14 h.
  • CPU cores — 25.00% more. 10 vs 8.
  • Weight — 0.03 kg less. 1.24 vs 1.27.

Why Lenovo - ThinkPad X9 14 Gen 1 wins

  • Storage — 300.00% more. 1024 GB vs 256 GB.
  • RAM — 100.00% more. 32 GB vs 16 GB.
  • Refresh rate — 100.00% more. 120 Hz vs 60 Hz.
  • Battery — 3.77% more. 55 Wh vs 53 Wh.
  • Screen size — 2.94% more. 14 " vs 13.6 ".
  • Panel type: OLED (vs IPS).
Full readout

Spec comparison

Design

SpecApple - MacBook Air 13 M4Lenovo - ThinkPad X9 14 Gen 1
Weight1.24 kglead1.27 kg
Thickness11.3 mmlead13.8 mm
Build materialaluminumaluminum
Backlit keyboardtruetrue
Fingerprint readertruetrue

Display

SpecApple - MacBook Air 13 M4Lenovo - ThinkPad X9 14 Gen 1
Screen size13.6 "14 "lead
Refresh rate60 Hz120 Hzlead
Panel typeIPSOLEDlead

Performance

SpecApple - MacBook Air 13 M4Lenovo - ThinkPad X9 14 Gen 1
CPUApple M4Intel Core Ultra 7 268V
CPU cores10lead8
GPUApple M4 10-core GPUIntel Arc Graphics 140V
RAM16 GB32 GBlead
Storage256 GB1024 GBlead
Storage typeSSDSSD

Battery & Ports

SpecApple - MacBook Air 13 M4Lenovo - ThinkPad X9 14 Gen 1
Battery53 Wh55 Whlead
Claimed battery life18 hlead14 h
USB-C ports22
Thunderbolt ports22
HDMIfalsefalse
Reader questions

Frequently asked

Which has better battery life, MacBook Air 13 M4 or ThinkPad X9 14 Gen 1?+

MacBook Air 13 M4 claims up to 18 hours — 18h vs 14h.

Which is lighter, MacBook Air 13 M4 or ThinkPad X9 14 Gen 1?+

MacBook Air 13 M4 is lighter at 1.24 kg vs 1.27 kg.

Which has more RAM, MacBook Air 13 M4 or ThinkPad X9 14 Gen 1?+

ThinkPad X9 14 Gen 1 offers 32GB of RAM.

Which has an OLED display, MacBook Air 13 M4 or ThinkPad X9 14 Gen 1?+

ThinkPad X9 14 Gen 1 has an OLED display; MacBook Air 13 M4 uses IPS.

Drill down

Spec-level deep dives

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