Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray
Core i9-14900HX · 16GB · 2025
MacBook Air 15" (M4)
M4 · 15.3″ · Fanless · $1,199
Dead heat — it comes down to priorities.
In our weighted Specdex score, Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray lands at 93 and MacBook Air 15" (M4) at 93. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray if…
- ✓Current-gen silicon
- ✓Competitive spec-for-dollar
- ✓Manufacturer warranty
Pick MacBook Air 15" (M4) if…
- ✓Silent fanless M4
- ✓Excellent battery
- ✓Huge bright display
Winner by scenario
Derived from the sub-score breakdown · not a separate testPerformance
Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space GrayCPU + GPU muscle for demanding work
Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray leads on gpu (88 vs 84).
Battery life
MacBook Air 15" (M4)Unplugged endurance for travel and campus
MacBook Air 15" (M4) leads on battery (96 vs 83).
Portability
MacBook Air 15" (M4)Weight, size, and carry-everywhere comfort
MacBook Air 15" (M4) leads on portability (94 vs 82).
Display
MacBook Air 15" (M4)Panel quality for creative and media work
MacBook Air 15" (M4) leads on display (88 vs 86).
Value for money
MacBook Air 15" (M4)Specdex score per dollar at MSRP
MacBook Air 15" (M4) more score per dollar ($1,199 vs $2,799).
Score breakdown
Specs side-by-side
| Spec | Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray | MacBook Air 15" (M4) |
|---|---|---|
| CPU | Core i9-14900HX | — |
| RAM | 16GB | 16/24/32 GB |
| Release year | 2025 | — |
| Storage | ▲ 512GB SSD | 256 GB – 2 TB |
| Color | Space Gray | — |
| Chip | — | Apple M4 (10C CPU / 10C GPU) |
| Display | — | 15.3″ Liquid Retina 2880×1864 |
| Weight | — | 1.51 kg |
Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray
- +Current-gen silicon
- +Competitive spec-for-dollar
- +Manufacturer warranty
- −Battery varies by config
- −Some SKUs heavy
- −RAM often soldered
MacBook Air 15" (M4)
- +Silent fanless M4
- +Excellent battery
- +Huge bright display
- −Only 2 TB3 ports
- −Single external display (M4 base)
- −No ProMotion
FAQ: Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray vs MacBook Air 15" (M4)
Which is better, Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray or MacBook Air 15" (M4)? +
Both score 93 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray worth the price? +
At $2,799, Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray delivers a Specdex score of 93 — strongest in cpu.
Is MacBook Air 15" (M4) worth the price? +
At $1,199, MacBook Air 15" (M4) delivers a Specdex score of 93 — strongest in battery.
Does Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray or MacBook Air 15" (M4) last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for performance, Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray or MacBook Air 15" (M4)? +
Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray — leads on gpu (88 vs 84). CPU + GPU muscle for demanding work.
Which is better for battery life, Lenovo Legion Pro 7i Gen 10 · 16GB · 512GB SSD · Space Gray or MacBook Air 15" (M4)? +
MacBook Air 15" (M4) — leads on battery (96 vs 83). Unplugged endurance for travel and campus.