Apple Studio Display XDR 27" vs Dell S3225QC
Side-by-side comparison of viewing distance, PPI, and specifications
Apple Studio Display XDR 27"
27" · 5120×2880 · Mini-LED
Optimal Viewing Distance 40cm
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Advantages of Apple Studio Display XDR 27"
| Specification | Apple Studio Display XDR 27" | Dell S3225QC |
|---|---|---|
| Resolution | 5120×2880 | 3840×2160 |
| Pixel Density (PPI) | 218 | 139 |
| Optimal Viewing Distance | 40cm | 63cm |
| SDR Brightness | 1000 nits | 250 nits |
| HDR Peak Brightness | 2000 nits | 1000 nits |
| USB-C Power Delivery | 140 W | 90 W |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 98% | sRGB 100% · DCI-P3 99% · Adobe RGB 95% |
| Year | 2026 | 2025 |
Advantages of Dell S3225QC
| Specification | Apple Studio Display XDR 27" | Dell S3225QC |
|---|---|---|
| Screen Size | 27" | 31.6" |
| Response Time | 5 ms GTG | 0.0 ms GTG |
| Contrast Ratio | 1:1,000,000 | 1:1,500,000 |
Identical
| Specification | Apple Studio Display XDR 27" | Dell S3225QC |
|---|---|---|
| Panel Type | Mini-LED | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 120 Hz | 120 Hz |
| Variable Refresh Rate (VRR) | FreeSync | FreeSync Premium |
| HDR Certification | None | DisplayHDR True Black 400 |
| Ports | USB-C · USB Hub | 1x HDMI · USB-C · USB Hub |
Summary
Sharpness: no visible difference
Both screens exceed the retina threshold at 65cm. The Apple Studio Display XDR 27" has 56% higher pixel density (218 vs 139 PPI), but this only becomes visible below 40cm.
Brightness: advantage Apple Studio Display XDR 27"
The Apple Studio Display XDR 27" is 300% brighter in SDR (1000 vs 250 nits), a noticeable difference for outdoor readability. HDR peak: 2000 vs 1000 nits.
All specifications
| Specification | Apple Studio Display XDR 27" 2026 | Dell S3225QC 2025 |
|---|---|---|
| Screen Size | 27" | 31.6" (Better) |
| Resolution | 5120×2880 (Better) | 3840×2160 |
| Pixel Density (PPI) | 218 (Better) | 139 |
| Optimal Viewing Distance | 40cm (Better) | 63cm |
| Panel Type | Mini-LED | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 120 Hz | 120 Hz |
| Variable Refresh Rate (VRR) | FreeSync | FreeSync Premium |
| Response Time | 5 ms GTG | 0.0 ms GTG (Better) |
| HDR Certification | None | DisplayHDR True Black 400 |
| SDR Brightness | 1000 nits (Better) | 250 nits |
| HDR Peak Brightness | 2000 nits (Better) | 1000 nits |
| Contrast Ratio | 1:1,000,000 | 1:1,500,000 (Better) |
| Ports | USB-C · USB Hub | 1x HDMI · USB-C · USB Hub |
| USB-C Power Delivery | 140 W (Better) | 90 W |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 98% (Better) | sRGB 100% · DCI-P3 99% · Adobe RGB 95% |
| Year | 2026 (Better) | 2025 |
Frequently Asked Questions
Which has better PPI: Apple Studio Display XDR 27" or Dell S3225QC?
The Apple Studio Display XDR 27" has 218 PPI compared to 139 PPI for the Dell S3225QC.
Which has a closer optimal viewing distance?
The Apple Studio Display XDR 27" requires 40cm vs 63cm for the Dell S3225QC to reach retina quality.
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:
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