ASUS Zenbook S 16 OLED (UM5606) vs Dell XPS 15 OLED
Side-by-side comparison of viewing distance, PPI, and specifications
ASUS Zenbook S 16 OLED (UM5606)
16" · 2880×1800 · OLED
Optimal Viewing Distance 41cm
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Category Ranking
Pixel Density (PPI)18in category
ASUS Zenbook S 16 OLED (UM5606)212 PPI #14
Dell XPS 15 OLED261 PPI #1
189 PPI261 PPI
HDR Peak Brightness18in category
ASUS Zenbook S 16 OLED (UM5606)500 nits #13
Dell XPS 15 OLED500 nits #13
500 nits1600 nits
DCI-P3 Color Gamut17in category
ASUS Zenbook S 16 OLED (UM5606)100% #1
Dell XPS 15 OLED100% #1
97%100%
Refresh Rate
ASUS Zenbook S 16 OLED (UM5606)120 Hz
Dell XPS 15 OLED60 Hz
StandardHighUltra
Summary
- Sharpness: no visible difference — Both screens exceed the retina threshold at 50cm. The Dell XPS 15 OLED has 19% higher pixel density (261 vs 212 PPI), but this only becomes visible below 33cm.
- Brightness: comparable — Both screens offer similar brightness (400 vs 400 nits SDR). Neither has a meaningful advantage for outdoor use.
Key Differences
| Specification | ASUS Zenbook S 16 OLED (UM5606) | Dell XPS 15 OLED |
|---|---|---|
| Screen Size | 16" | 15.6" |
| Refresh Rate | 120 Hz | 60 Hz |
| Response Time | 0.2 ms GTG | 1 ms GTG |
| Year | 2024 | 2023 |
| Resolution | 2880×1800 | 3456×2160 |
| Pixel Density (PPI) | 212 | 261 |
| Optimal Viewing Distance | 41cm | 33cm |
| USB-C Power Delivery | 65 W | 130 W |
| Color Gamut | sRGB 100% · DCI-P3 100% · Adobe RGB 94% | sRGB 100% · DCI-P3 100% · Adobe RGB 96% |
All specifications
| Specification | ASUS Zenbook S 16 OLED (UM5606) 2024 | Dell XPS 15 OLED 2023 |
|---|---|---|
| Screen Size | 16" (Better) | 15.6" |
| Resolution | 2880×1800 | 3456×2160 (Better) |
| Pixel Density (PPI) | 212 | 261 (Better) |
| Optimal Viewing Distance | 41cm | 33cm (Better) |
| Panel Type | OLED | OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:10 | 16:10 |
| Refresh Rate | 120 Hz (Better) | 60 Hz |
| Variable Refresh Rate (VRR) | None | None |
| Response Time | 0.2 ms GTG (Better) | 1 ms GTG |
| HDR Certification | DisplayHDR True Black 500 | DisplayHDR True Black 500 |
| SDR Brightness | 400 nits | 400 nits |
| HDR Peak Brightness | 500 nits | 500 nits |
| Contrast Ratio | 1:1,000,000 | 1:1,000,000 |
| Ports | 1x HDMI · USB-C | USB-C |
| USB-C Power Delivery | 65 W | 130 W (Better) |
| Color Gamut | sRGB 100% · DCI-P3 100% · Adobe RGB 94% | sRGB 100% · DCI-P3 100% · Adobe RGB 96% (Better) |
| Year | 2024 (Better) | 2023 |
Frequently Asked Questions
Which has better PPI: ASUS Zenbook S 16 OLED (UM5606) or Dell XPS 15 OLED?
The Dell XPS 15 OLED has 261 PPI compared to 212 PPI for the ASUS Zenbook S 16 OLED (UM5606).
Which has a closer optimal viewing distance?
The Dell XPS 15 OLED requires 33cm vs 41cm for the ASUS Zenbook S 16 OLED (UM5606) to reach retina quality.
Related Comparisons
Apple MacBook Air 13" M3 2024 · 225 PPI · 13.6" · 60 Hz
vs ASUS Zenbook S 16 OLED (UM5606) 2024 · 212 PPI · 16" · 120 Hz
Apple MacBook Air 13" M3 2024 · 225 PPI · 13.6" · 60 Hz
vs Dell XPS 15 OLED 2023 · 261 PPI · 15.6" · 60 Hz
Apple MacBook Air 15" M3 2024 · 224 PPI · 15.3" · 60 Hz
vs ASUS Zenbook S 16 OLED (UM5606) 2024 · 212 PPI · 16" · 120 Hz
Apple MacBook Air 15" M3 2024 · 224 PPI · 15.3" · 60 Hz
vs Dell XPS 15 OLED 2023 · 261 PPI · 15.6" · 60 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).
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