Alienware AW2725DF 27" vs ASUS ROG Swift OLED PG27UCDM 27"
Side-by-side comparison of viewing distance, PPI, and specifications
Alienware AW2725DF 27"
26.7" · 2560×1440 · QD-OLED
Optimal Viewing Distance 79cm
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ASUS ROG Swift OLED PG27UCDM 27"
26.5" · 3840×2160 · QD-OLED
Optimal Viewing Distance 53cm
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Advantages of Alienware AW2725DF 27"
| Specification | Alienware AW2725DF 27" | ASUS ROG Swift OLED PG27UCDM 27" |
|---|---|---|
| Screen Size | 26.7" | 26.5" |
| Refresh Rate | 360 Hz | 240 Hz |
Advantages of ASUS ROG Swift OLED PG27UCDM 27"
| Specification | Alienware AW2725DF 27" | ASUS ROG Swift OLED PG27UCDM 27" |
|---|---|---|
| Resolution | 2560×1440 | 3840×2160 |
| Pixel Density (PPI) | 110 | 166 |
| Optimal Viewing Distance | 79cm | 53cm |
| Contrast Ratio | 1:1,000,000 | 1:1,500,000 |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 94% | sRGB 145% · DCI-P3 99% · Adobe RGB 94% |
| Year | 2024 | 2025 |
Identical
| Specification | Alienware AW2725DF 27" | ASUS ROG Swift OLED PG27UCDM 27" |
|---|---|---|
| Panel Type | QD-OLED | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro | FreeSync Premium Pro |
| Response Time | 0.0 ms GTG | 0.0 ms GTG |
| HDR Certification | DisplayHDR True Black 400 | DisplayHDR True Black 400 |
| SDR Brightness | 250 nits | 250 nits |
| HDR Peak Brightness | 1000 nits | 1000 nits |
| Ports | 1x HDMI · 2x DP · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | — | 90 W |
Summary
Sharpness: advantage ASUS ROG Swift OLED PG27UCDM 27"
At 65cm, the ASUS ROG Swift OLED PG27UCDM 27" is retina (166 PPI) while the Alienware AW2725DF 27" is not — you need to sit at least 79cm away for pixel-free viewing.
Brightness: comparable
Both screens offer similar brightness (250 vs 250 nits SDR). Neither has a meaningful advantage for outdoor use.
All specifications
| Specification | Alienware AW2725DF 27" 2024 | ASUS ROG Swift OLED PG27UCDM 27" 2025 |
|---|---|---|
| Screen Size | 26.7" (Better) | 26.5" |
| Resolution | 2560×1440 | 3840×2160 (Better) |
| Pixel Density (PPI) | 110 | 166 (Better) |
| Optimal Viewing Distance | 79cm | 53cm (Better) |
| Panel Type | QD-OLED | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 360 Hz (Better) | 240 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro | FreeSync Premium Pro |
| Response Time | 0.0 ms GTG | 0.0 ms GTG |
| HDR Certification | DisplayHDR True Black 400 | DisplayHDR True Black 400 |
| SDR Brightness | 250 nits | 250 nits |
| HDR Peak Brightness | 1000 nits | 1000 nits |
| Contrast Ratio | 1:1,000,000 | 1:1,500,000 (Better) |
| Ports | 1x HDMI · 2x DP · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | — | 90 W |
| Color Gamut | sRGB 100% · DCI-P3 99% · Adobe RGB 94% | sRGB 145% · DCI-P3 99% · Adobe RGB 94% (Better) |
| Year | 2024 | 2025 (Better) |
Frequently Asked Questions
Which has better PPI: Alienware AW2725DF 27" or ASUS ROG Swift OLED PG27UCDM 27"?
The ASUS ROG Swift OLED PG27UCDM 27" has 166 PPI compared to 110 PPI for the Alienware AW2725DF 27".
Which has a closer optimal viewing distance?
The ASUS ROG Swift OLED PG27UCDM 27" requires 53cm vs 79cm for the Alienware AW2725DF 27" 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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