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ASUS ROG Swift PG32UCDM3 vs Dell U3423WE 34"

Side-by-side comparison of viewing distance, PPI, and specifications

ASUS ROG Swift PG32UCDM3

31.5" · 3840×2160 · QD-OLED
Optimal Viewing Distance 62cm
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Dell U3423WE 34"

34" · 3440×1440 · IPS
Optimal Viewing Distance 80cm
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Specification ASUS ROG Swift PG32UCDM3 2025 Dell U3423WE 34" 2022
Screen Size 31.5" 34" (Better)
Resolution 3840×2160 (Better) 3440×1440
Pixel Density (PPI) 140 (Better) 110
Optimal Viewing Distance 62cm (Better) 80cm
Panel Type QD-OLED IPS
Viewing Angle 178° 178°
Aspect Ratio 16:9 21:9
Refresh Rate 240 Hz (Better) 60 Hz
Variable Refresh Rate (VRR) FreeSync Premium Pro None
Response Time 0.0 ms GTG (Better) 5 ms GTG
HDR Certification DisplayHDR True Black 500 None
SDR Brightness 300 nits 300 nits
HDR Peak Brightness 1000 nits (Better) 600 nits
Contrast Ratio 1:1,500,000 (Better) 1:2,000
Ports 2x HDMI · 1x DP · USB-C · USB Hub 2x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 90 W 90 W
Color Gamut sRGB 100% · DCI-P3 99% (Better) sRGB 100% · DCI-P3 98% · Adobe RGB 89%
Year 2025 (Better) 2022

Summary

The ASUS ROG Swift PG32UCDM3 has higher pixel density (140 PPI), making it sharper at close range.

The ASUS ROG Swift PG32UCDM3 allows sitting closer (62cm) while maintaining retina quality.

The Dell U3423WE 34" offers a larger 34" display for more immersive viewing.

Frequently Asked Questions

Which has better PPI: ASUS ROG Swift PG32UCDM3 or Dell U3423WE 34"?
The ASUS ROG Swift PG32UCDM3 has 140 PPI compared to 110 PPI for the Dell U3423WE 34".
Which has a closer optimal viewing distance?
The ASUS ROG Swift PG32UCDM3 requires 62cm vs 80cm for the Dell U3423WE 34" 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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