Apple MacBook Air 15" M4 vs Lenovo Legion Pro 7i Gen 10
Side-by-side comparison of viewing distance, PPI, and specifications
Lenovo Legion Pro 7i Gen 10
16" · 2560×1600 · OLED
Optimal Viewing Distance 46cm
Open in calculator →
Category Ranking
Pixel Density (PPI)18in category
Apple MacBook Air 15" M4224 PPI #11
Lenovo Legion Pro 7i Gen 10189 PPI #16
189 PPI261 PPI
HDR Peak Brightness18in category
Apple MacBook Air 15" M4600 nits #7
Lenovo Legion Pro 7i Gen 101065 nits #6
500 nits1600 nits
DCI-P3 Color Gamut17in category
Apple MacBook Air 15" M499% #12
Lenovo Legion Pro 7i Gen 10100% #1
97%100%
Refresh Rate
Apple MacBook Air 15" M460 Hz
Lenovo Legion Pro 7i Gen 10240 Hz
StandardHighUltra
Summary
- Sharpness: no visible difference — Both screens exceed the retina threshold at 50cm. The Apple MacBook Air 15" M4 has 19% higher pixel density (224 vs 189 PPI), but this only becomes visible below 39cm.
- Brightness: advantage Lenovo Legion Pro 7i Gen 10 — Similar SDR brightness (500 vs 500 nits), but the Lenovo Legion Pro 7i Gen 10 leads in HDR peak (1065 vs 600 nits).
Key Differences
| Specification | Apple MacBook Air 15" M4 | Lenovo Legion Pro 7i Gen 10 |
|---|---|---|
| Resolution | 2880×1864 | 2560×1600 |
| Pixel Density (PPI) | 224 | 189 |
| Optimal Viewing Distance | 39cm | 46cm |
| Screen Size | 15.3" | 16" |
| Refresh Rate | 60 Hz | 240 Hz |
| Response Time | 20 ms GTG | 0.2 ms GTG |
| HDR Peak Brightness | 600 nits | 1065 nits |
| Contrast Ratio | 1:1,600 | 1:1,000,000 |
| USB-C Power Delivery | 70 W | 100 W |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 88% | sRGB 100% · DCI-P3 100% · Adobe RGB 94% |
All specifications
| Specification | Apple MacBook Air 15" M4 2025 | Lenovo Legion Pro 7i Gen 10 2025 |
|---|---|---|
| Screen Size | 15.3" | 16" (Better) |
| Resolution | 2880×1864 (Better) | 2560×1600 |
| Pixel Density (PPI) | 224 (Better) | 189 |
| Optimal Viewing Distance | 39cm (Better) | 46cm |
| Panel Type | IPS | OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:10 | 16:10 |
| Refresh Rate | 60 Hz | 240 Hz (Better) |
| Variable Refresh Rate (VRR) | None | G-SYNC |
| Response Time | 20 ms GTG | 0.2 ms GTG (Better) |
| HDR Certification | None | DisplayHDR True Black 1000 |
| SDR Brightness | 500 nits | 500 nits |
| HDR Peak Brightness | 600 nits | 1065 nits (Better) |
| Contrast Ratio | 1:1,600 | 1:1,000,000 (Better) |
| Ports | USB-C | 1x HDMI · USB-C |
| USB-C Power Delivery | 70 W | 100 W (Better) |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 88% | sRGB 100% · DCI-P3 100% · Adobe RGB 94% (Better) |
| Year | 2025 | 2025 |
Frequently Asked Questions
Which has better PPI: Apple MacBook Air 15" M4 or Lenovo Legion Pro 7i Gen 10?
The Apple MacBook Air 15" M4 has 224 PPI compared to 189 PPI for the Lenovo Legion Pro 7i Gen 10.
Which has a closer optimal viewing distance?
The Apple MacBook Air 15" M4 requires 39cm vs 46cm for the Lenovo Legion Pro 7i Gen 10 to reach retina quality.
Related Comparisons
Apple MacBook Air 13" M3 2024 · 225 PPI · 13.6" · 60 Hz
vs Apple MacBook Air 15" M4 2025 · 224 PPI · 15.3" · 60 Hz
Apple MacBook Air 13" M3 2024 · 225 PPI · 13.6" · 60 Hz
vs Lenovo Legion Pro 7i Gen 10 2025 · 189 PPI · 16" · 240 Hz
Apple MacBook Air 15" M3 2024 · 224 PPI · 15.3" · 60 Hz
vs Apple MacBook Air 15" M4 2025 · 224 PPI · 15.3" · 60 Hz
Apple MacBook Air 15" M3 2024 · 224 PPI · 15.3" · 60 Hz
vs Lenovo Legion Pro 7i Gen 10 2025 · 189 PPI · 16" · 240 Hz
Methodology & Sources
Formula: Retina distance (cm) = 3438 / PPI. Displayed values are rounded for readability.
Sources: Official manufacturer spec sheets and product pages. Specs are normalized before comparisons.
Comparison winners are calculated metric by metric (higher is better for most specs; lower is better for distance/response time).
Last updated: