ASUS ROG Strix XG309CM
29.5" IPS · 2560× 1080 · 94 PPI
Specifications
| Brand | ASUS |
|---|---|
| Model | ROG Strix XG309CM |
| Screen Size | 29.5" |
| Resolution | 2560×1080 |
| Panel | IPS |
| Refresh Rate | 220 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium |
| Response Time | 1 ms GTG |
| HDR Certification | None |
| SDR Brightness | 300 nits |
| HDR Peak Brightness | 300 nits |
| Contrast Ratio | 1:1,000 |
| Ports | 1x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | 15 W |
| Color Gamut | sRGB 110% |
| Viewing Angle | 178° — Excellent |
| Pixel Density (PPI) | 94 |
| Aspect Ratio | 21:9 |
| Year | 2022 |
Compare with...
Frequently Asked Questions
What is the optimal viewing distance for the ASUS ROG Strix XG309CM?
The optimal viewing distance for the ASUS ROG Strix XG309CM (29.5") is approximately 93cm. At this distance, individual pixels become invisible to the human eye.
What is the PPI of the ASUS ROG Strix XG309CM?
The ASUS ROG Strix XG309CM has a pixel density of 94 PPI (pixels per inch) with a 2560×1080 resolution on a 29.5" display.
Is the ASUS ROG Strix XG309CM good for desktop work?
With 94 PPI and a 29.5" IPS display, the ASUS ROG Strix XG309CM is good for desktop work when viewed from the recommended distance of 93cm.
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.
Last updated:
Similar screens
ASUS ROG Swift PG32UCDM3
31.5" 2025 · 3840×2160 · 140 PPI · QD-OLED
Optimal Viewing Distance 0.6m / 62.4cm
ASUS ProArt PA279CRV 27"
27" 2023 · 3840×2160 · 163 PPI · IPS
Optimal Viewing Distance 0.5m / 53.5cm
ASUS ROG Swift OLED PG27UCDM 27"
26.5" 2025 · 3840×2160 · 166 PPI · QD-OLED
Optimal Viewing Distance 0.5m / 52.5cm
ASUS ROG Swift PG27AQDP 27"
26.5" 2024 · 2560×1440 · 111 PPI · OLED
Optimal Viewing Distance 0.8m / 78.8cm