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ASUS ROG Swift PG42UQ 42" vs MSI MAG 271QPX QD-OLED 27"

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

ASUS ROG Swift PG42UQ 42"

41.5" · 3840×2160 · OLED
Optimal Viewing Distance 82cm
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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 PG42UQ 42"106 PPI #64
MSI MAG 271QPX QD-OLED 27"111 PPI #45
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Swift PG42UQ 42"1000 nits #7
MSI MAG 271QPX QD-OLED 27"1000 nits #7
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ROG Swift PG42UQ 42"98% #31
MSI MAG 271QPX QD-OLED 27"99% #2
79%100%
Refresh Rate
ASUS ROG Swift PG42UQ 42"138 Hz
MSI MAG 271QPX QD-OLED 27"360 Hz
StandardHighUltra

Summary

  • Sharpness: advantage MSI MAG 271QPX QD-OLED 27" — Neither screen reaches retina quality at 65cm. The MSI MAG 271QPX QD-OLED 27" gets there at 79cm vs 82cm for the ASUS ROG Swift PG42UQ 42".
  • Brightness: advantage ASUS ROG Swift PG42UQ 42" — The ASUS ROG Swift PG42UQ 42" is 80% brighter in SDR (450 vs 250 nits), a noticeable difference for outdoor readability. HDR peak: 1000 vs 1000 nits.

Key Differences

Specification ASUS ROG Swift PG42UQ 42" MSI MAG 271QPX QD-OLED 27"
Screen Size 41.5" 26.5"
Resolution 3840×2160 2560×1440
SDR Brightness 450 nits 250 nits
Color Gamut sRGB 133% · DCI-P3 98% · Adobe RGB 94% sRGB 100% · DCI-P3 99%
Pixel Density (PPI) 106 111
Optimal Viewing Distance 82cm 79cm
Refresh Rate 138 Hz 360 Hz
Response Time 0.1 ms GTG 0.0 ms GTG
Contrast Ratio 1:1,000,000 1:1,500,000
Year 2022 2024
All specifications
Specification ASUS ROG Swift PG42UQ 42" 2022 MSI MAG 271QPX QD-OLED 27" 2024
Screen Size 41.5" (Better) 26.5"
Resolution 3840×2160 (Better) 2560×1440
Pixel Density (PPI) 106 111 (Better)
Optimal Viewing Distance 82cm 79cm (Better)
Panel Type OLED QD-OLED
Viewing Angle 178° 178°
Aspect Ratio 16:9 16:9
Refresh Rate 138 Hz 360 Hz (Better)
Variable Refresh Rate (VRR) G-SYNC Compatible FreeSync Premium Pro
Response Time 0.1 ms GTG 0.0 ms GTG (Better)
HDR Certification None DisplayHDR True Black 400
SDR Brightness 450 nits (Better) 250 nits
HDR Peak Brightness 1000 nits 1000 nits
Contrast Ratio 1:1,000,000 1:1,500,000 (Better)
Ports 4x HDMI · 1x DP · USB Hub 2x HDMI · 1x DP · USB-C
USB-C Power Delivery 15 W
Color Gamut sRGB 133% · DCI-P3 98% · Adobe RGB 94% (Better) sRGB 100% · DCI-P3 99%
Year 2022 2024 (Better)

Frequently Asked Questions

Which has better PPI: ASUS ROG Swift PG42UQ 42" or MSI MAG 271QPX QD-OLED 27"?
The MSI MAG 271QPX QD-OLED 27" has 111 PPI compared to 106 PPI for the ASUS ROG Swift PG42UQ 42".
Which has a closer optimal viewing distance?
The MSI MAG 271QPX QD-OLED 27" requires 79cm vs 82cm for the ASUS ROG Swift PG42UQ 42" 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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