ASUS ROG Strix XG309CM vs ASUS ROG Swift PG27AQDP 27"
Side-by-side comparison of viewing distance, PPI, and specifications
ASUS ROG Swift PG27AQDP 27"
26.5" · 2560×1440 · OLED
Optimal Viewing Distance 79cm
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| Specification | ASUS ROG Strix XG309CM 2022 | ASUS ROG Swift PG27AQDP 27" 2024 |
|---|---|---|
| Screen Size | 29.5" (Better) | 26.5" |
| Resolution | 2560×1080 | 2560×1440 (Better) |
| Pixel Density (PPI) | 94 | 111 (Better) |
| Optimal Viewing Distance | 93cm | 79cm (Better) |
| Panel Type | IPS | OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 21:9 | 16:9 |
| Refresh Rate | 220 Hz | 480 Hz (Better) |
| Variable Refresh Rate (VRR) | FreeSync Premium | FreeSync Premium |
| Response Time | 1 ms GTG | 0.0 ms GTG (Better) |
| HDR Certification | None | DisplayHDR True Black 400 |
| SDR Brightness | 300 nits (Better) | 250 nits |
| HDR Peak Brightness | 300 nits | 1300 nits (Better) |
| Contrast Ratio | 1:1,000 | 1:1,500,000 (Better) |
| Ports | 1x HDMI · 1x DP · USB-C · USB Hub | 2x HDMI · 1x DP · USB Hub |
| USB-C Power Delivery | 15 W | — |
| Color Gamut | sRGB 110% | sRGB 135% · DCI-P3 99% · Adobe RGB 96% |
| Year | 2022 | 2024 (Better) |
Summary
The ASUS ROG Swift PG27AQDP 27" has higher pixel density (111 PPI), making it sharper at close range.
The ASUS ROG Swift PG27AQDP 27" allows sitting closer (79cm) while maintaining retina quality.
The ASUS ROG Strix XG309CM offers a larger 29.5" display for more immersive viewing.
Frequently Asked Questions
Which has better PPI: ASUS ROG Strix XG309CM or ASUS ROG Swift PG27AQDP 27"?
The ASUS ROG Swift PG27AQDP 27" has 111 PPI compared to 94 PPI for the ASUS ROG Strix XG309CM.
Which has a closer optimal viewing distance?
The ASUS ROG Swift PG27AQDP 27" requires 79cm vs 93cm for the ASUS ROG Strix XG309CM 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).
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