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ASUS ROG Swift OLED PG27UCDM 27" vs MSI MAG 271QPX QD-OLED 27"

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

ASUS ROG Swift OLED PG27UCDM 27"

26.5" · 3840×2160 · QD-OLED
Optimal Viewing Distance 53cm
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MSI MAG 271QPX QD-OLED 27"

26.5" · 2560×1440 · QD-OLED
Optimal Viewing Distance 79cm
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Category Ranking

Pixel Density (PPI)67in category
ASUS ROG Swift OLED PG27UCDM 27"166 PPI #16
MSI MAG 271QPX QD-OLED 27"111 PPI #45
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Swift OLED PG27UCDM 27"1000 nits #7
MSI MAG 271QPX QD-OLED 27"1000 nits #7
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ROG Swift OLED PG27UCDM 27"99% #2
MSI MAG 271QPX QD-OLED 27"99% #2
79%100%
Refresh Rate
ASUS ROG Swift OLED PG27UCDM 27"240 Hz
MSI MAG 271QPX QD-OLED 27"360 Hz
StandardHighUltra

Summary

  • Sharpness: advantage ASUS ROG Swift OLED PG27UCDM 27" — At 65cm, the ASUS ROG Swift OLED PG27UCDM 27" is retina (166 PPI) while the MSI MAG 271QPX QD-OLED 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.

Key Differences

Specification ASUS ROG Swift OLED PG27UCDM 27" MSI MAG 271QPX QD-OLED 27"
Resolution 3840×2160 2560×1440
Pixel Density (PPI) 166 111
Optimal Viewing Distance 53cm 79cm
USB-C Power Delivery 90 W 15 W
Color Gamut sRGB 145% · DCI-P3 99% · Adobe RGB 94% sRGB 100% · DCI-P3 99%
Year 2025 2024
Refresh Rate 240 Hz 360 Hz
All specifications
Specification ASUS ROG Swift OLED PG27UCDM 27" 2025 MSI MAG 271QPX QD-OLED 27" 2024
Screen Size 26.5" 26.5"
Resolution 3840×2160 (Better) 2560×1440
Pixel Density (PPI) 166 (Better) 111
Optimal Viewing Distance 53cm (Better) 79cm
Panel Type QD-OLED QD-OLED
Viewing Angle 178° 178°
Aspect Ratio 16:9 16:9
Refresh Rate 240 Hz 360 Hz (Better)
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 1:1,500,000 1:1,500,000
Ports 2x HDMI · 1x DP · USB-C · USB Hub 2x HDMI · 1x DP · USB-C
USB-C Power Delivery 90 W (Better) 15 W
Color Gamut sRGB 145% · DCI-P3 99% · Adobe RGB 94% (Better) sRGB 100% · DCI-P3 99%
Year 2025 (Better) 2024

Frequently Asked Questions

Which has better PPI: ASUS ROG Swift OLED PG27UCDM 27" or MSI MAG 271QPX QD-OLED 27"?
The ASUS ROG Swift OLED PG27UCDM 27" has 166 PPI compared to 111 PPI for the MSI MAG 271QPX QD-OLED 27".
Which has a closer optimal viewing distance?
The ASUS ROG Swift OLED PG27UCDM 27" requires 53cm vs 79cm for the MSI MAG 271QPX QD-OLED 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).

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