Dell S3225QC vs Dell U2724D 27"
Side-by-side comparison of viewing distance, PPI, and specifications
Category Ranking
Pixel Density (PPI)67in category
Dell S3225QC139 PPI #41
Dell U2724D 27"109 PPI #55
93 PPI224 PPI
HDR Peak Brightness67in category
Dell S3225QC1000 nits #7
Dell U2724D 27"600 nits #22
250 nits2000 nits
DCI-P3 Color Gamut63in category
Dell S3225QC99% #2
Dell U2724D 27"98% #31
79%100%
Refresh Rate
Dell S3225QC120 Hz
Dell U2724D 27"120 Hz
StandardHighUltra
Summary
- Sharpness: advantage Dell S3225QC — At 65cm, the Dell S3225QC is retina (139 PPI) while the Dell U2724D 27" is not — you need to sit at least 80cm away for pixel-free viewing.
- Brightness: advantage Dell U2724D 27" — The Dell U2724D 27" is 40% brighter in SDR (350 vs 250 nits), a noticeable difference for outdoor readability. HDR peak: 600 vs 1000 nits.
Key Differences
| Specification | Dell S3225QC | Dell U2724D 27" |
|---|---|---|
| Screen Size | 31.6" | 27" |
| Resolution | 3840×2160 | 2560×1440 |
| Pixel Density (PPI) | 139 | 109 |
| Optimal Viewing Distance | 63cm | 80cm |
| Response Time | 0.0 ms GTG | 5 ms GTG |
| HDR Peak Brightness | 1000 nits | 600 nits |
| Contrast Ratio | 1:1,500,000 | 1:2,000 |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 95% | sRGB 100% · DCI-P3 98% · Adobe RGB 87% |
| Year | 2025 | 2023 |
| SDR Brightness | 250 nits | 350 nits |
All specifications
| Specification | Dell S3225QC 2025 | Dell U2724D 27" 2023 |
|---|---|---|
| Screen Size | 31.6" (Better) | 27" |
| Resolution | 3840×2160 (Better) | 2560×1440 |
| Pixel Density (PPI) | 139 (Better) | 109 |
| Optimal Viewing Distance | 63cm (Better) | 80cm |
| Panel Type | QD-OLED | IPS |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 120 Hz | 120 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium | None |
| Response Time | 0.0 ms GTG (Better) | 5 ms GTG |
| HDR Certification | DisplayHDR True Black 400 | None |
| SDR Brightness | 250 nits | 350 nits (Better) |
| HDR Peak Brightness | 1000 nits (Better) | 600 nits |
| Contrast Ratio | 1:1,500,000 (Better) | 1:2,000 |
| Ports | 1x HDMI · USB-C · USB Hub | 1x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | 90 W | — |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 95% (Better) | sRGB 100% · DCI-P3 98% · Adobe RGB 87% |
| Year | 2025 (Better) | 2023 |
Frequently Asked Questions
Which has better PPI: Dell S3225QC or Dell U2724D 27"?
The Dell S3225QC has 139 PPI compared to 109 PPI for the Dell U2724D 27".
Which has a closer optimal viewing distance?
The Dell S3225QC requires 63cm vs 80cm for the Dell U2724D 27" to reach retina quality.
Related Comparisons
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs Dell S3225QC 2025 · 139 PPI · 31.6" · 120 Hz
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs Dell U2724D 27" 2023 · 109 PPI · 27" · 120 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs Dell S3225QC 2025 · 139 PPI · 31.6" · 120 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs Dell U2724D 27" 2023 · 109 PPI · 27" · 120 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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