Apple - MacBook Air 15 M4 vs Lenovo - Yoga Slim 9i (Aura Edition)
Between the MacBook Air 15 M4 and Yoga Slim 9i (Aura Edition), the MacBook Air 15 M4 comes out ahead in cpu cores and screen size, while the Yoga Slim 9i (Aura Edition) wins on ram and storage. Overall, the MacBook Air 15 M4 scores 58.9 and the Yoga Slim 9i (Aura Edition) scores 65 on our Mars Score.
Which should you buy?
The Yoga Slim 9i (Aura Edition) edges ahead on the Mars Score (58.9 vs 65), but the 6.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the MacBook Air 15 M4 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are cpu cores, screen size.
Pick the Yoga Slim 9i (Aura Edition) 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 ram, storage, refresh rate, among others.
Both ship with comparable claimed battery life, thunderbolt ports, backlit keyboard, so those specs don't separate the two — focus on the differences below.
Bottom line: the Yoga Slim 9i (Aura Edition) 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 15 M4 wins
- ▲CPU cores — 25.00% more. 10 vs 8.
- ▲Screen size — 9.29% more. 15.3 " vs 14 ".
Why Lenovo - Yoga Slim 9i (Aura Edition) wins
- ▲RAM — 100.00% more. 32 GB vs 16 GB.
- ▲Storage — 100.00% more. 1024 GB vs 512 GB.
- ▲Refresh rate — 100.00% more. 120 Hz vs 60 Hz.
- ▲Battery — 13.64% more. 75 Wh vs 66 Wh.
- ▲Panel type: OLED (vs IPS).
- ▲Weight — 0.16 kg less. 1.35 vs 1.51.
Spec comparison
Design
| Spec | Apple - MacBook Air 15 M4 | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Weight | 1.51 kg | 1.35 kglead |
| Thickness | 11.5 mmlead | 12.9 mm |
| Build material | aluminum | aluminum |
| Backlit keyboard | true | true |
| Fingerprint reader | true | true |
Display
| Spec | Apple - MacBook Air 15 M4 | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Screen sizeⓘ | 15.3 "lead | 14 " |
| Refresh rateⓘ | 60 Hz | 120 Hzlead |
| Panel typeⓘ | IPS | OLEDlead |
Performance
| Spec | Apple - MacBook Air 15 M4 | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| CPU | Apple M4 | Intel Core Ultra 7 258V |
| CPU cores | 10lead | 8 |
| GPUⓘ | Apple M4 10-core GPU | Intel Arc 140V |
| RAMⓘ | 16 GB | 32 GBlead |
| Storageⓘ | 512 GB | 1024 GBlead |
| Storage typeⓘ | SSD | SSD |
Battery & Ports
| Spec | Apple - MacBook Air 15 M4 | Lenovo - Yoga Slim 9i (Aura Edition) |
|---|---|---|
| Batteryⓘ | 66 Wh | 75 Whlead |
| Claimed battery life | 18 h | 18 h |
| USB-C ports | 2 | 2 |
| Thunderbolt portsⓘ | 2 | 2 |
| HDMI | false | false |
Frequently asked
Which has better battery life, MacBook Air 15 M4 or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) claims up to 18 hours — 18h vs 18h.
Which is lighter, MacBook Air 15 M4 or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) is lighter at 1.35 kg vs 1.51 kg.
Which has more RAM, MacBook Air 15 M4 or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) offers 32GB of RAM.
Which has an OLED display, MacBook Air 15 M4 or Yoga Slim 9i (Aura Edition)?+
Yoga Slim 9i (Aura Edition) has an OLED display; MacBook Air 15 M4 uses IPS.
Spec-level deep dives
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