Quick takeaway
Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) leads this matchup 1 to 0 on measured spec rows and by 100 points overall. Lenovo IdeaPad Flex 5 14 is also about $650.00 cheaper at the latest tracked price.
Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) vs Lenovo IdeaPad Flex 5 14
Choose Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) if...
Pick Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) if battery life are the reasons you are shopping in this category. It currently costs about $650.00 more, so make sure those wins matter to you.
Choose Lenovo IdeaPad Flex 5 14 if...
Pick Lenovo IdeaPad Flex 5 14 if its current price, brand, or design fits your shortlist better than Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD).
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Performance
| Spec | Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) | Lenovo IdeaPad Flex 5 14 |
|---|---|---|
| Graphics | Integrated graphics | Integrated graphics |
| Processor | M3 | - |
| RAM | 16 GB | - |
| Storage | 512 GB | - |
Display
| Spec | Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) | Lenovo IdeaPad Flex 5 14 |
|---|---|---|
| Display | 15.3-inch Liquid Retina (2880x1864) | - |
| Display Size | 15-inch | - |
Battery and power
| Spec | Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) | Lenovo IdeaPad Flex 5 14 |
|---|---|---|
| Battery Life | Up to 18 h ✓ | Up to 10 h |
Connectivity
| Spec | Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) | Lenovo IdeaPad Flex 5 14 |
|---|---|---|
| Ports | 2x Thunderbolt 4 + MagSafe 3 + 3.5mm | - |
Dimensions
| Spec | Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) | Lenovo IdeaPad Flex 5 14 |
|---|---|---|
| Weight | 3.3 lb | - |
General
| Spec | Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) | Lenovo IdeaPad Flex 5 14 |
|---|---|---|
| Brand | Apple | Lenovo |
| Category | Laptop | Laptop |
| Model Number | 16GB | - |
| Operating System | macOS | Windows 11 |
The verdict
Based on 14 spec comparisons plus user ratings, the Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) comes out ahead with a stronger overall score.
As an Amazon Associate, VSFinder earns from qualifying purchases.
Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) vs Lenovo IdeaPad Flex 5 14 score measuring?
VSFinder compares 11 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $1,299.99 for Apple MacBook Air 15-inch M3 (16GB RAM, 512GB SSD) and $649.99 for Lenovo IdeaPad Flex 5 14.