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Alienware AW2725DF 27" vs ASUS ROG Strix XG309CM

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 Strix XG309CM

29.5" · 2560×1080 · IPS
Optimal Viewing Distance 93cm
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Specification Alienware AW2725DF 27" 2024 ASUS ROG Strix XG309CM 2022
Screen Size 26.7" 29.5" (Better)
Resolution 2560×1440 (Better) 2560×1080
Pixel Density (PPI) 110 (Better) 94
Optimal Viewing Distance 79cm (Better) 93cm
Panel Type QD-OLED IPS
Viewing Angle 178° 178°
Aspect Ratio 16:9 21:9
Refresh Rate 360 Hz (Better) 220 Hz
Variable Refresh Rate (VRR) FreeSync Premium Pro FreeSync Premium
Response Time 0.0 ms GTG (Better) 1 ms GTG
HDR Certification DisplayHDR True Black 400 None
SDR Brightness 250 nits 300 nits (Better)
HDR Peak Brightness 1000 nits (Better) 300 nits
Contrast Ratio 1:1,000,000 (Better) 1:1,000
Ports 1x HDMI · 2x DP · USB Hub 1x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 15 W
Color Gamut sRGB 100% · DCI-P3 99% · Adobe RGB 94% sRGB 110% (Better)
Year 2024 (Better) 2022

Summary

The Alienware AW2725DF 27" has higher pixel density (110 PPI), making it sharper at close range.

The Alienware AW2725DF 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: Alienware AW2725DF 27" or ASUS ROG Strix XG309CM?
The Alienware AW2725DF 27" has 110 PPI compared to 94 PPI for the ASUS ROG Strix XG309CM.
Which has a closer optimal viewing distance?
The Alienware AW2725DF 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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