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ASUS ROG Swift OLED PG34WCDM 34" vs LG UltraGear 32GX870A

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

ASUS ROG Swift OLED PG34WCDM 34"

33.94" · 3440×1440 · OLED
Optimal Viewing Distance 80cm
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LG UltraGear 32GX870A

31.5" · 3840×2160 · OLED
Optimal Viewing Distance 62cm
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Category Ranking

Pixel Density (PPI)67in category
ASUS ROG Swift OLED PG34WCDM 34"110 PPI #47
LG UltraGear 32GX870A140 PPI #30
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Swift OLED PG34WCDM 34"1300 nits #3
LG UltraGear 32GX870A1300 nits #3
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ROG Swift OLED PG34WCDM 34"99% #2
LG UltraGear 32GX870A98.5% #30
79%100%
Refresh Rate
ASUS ROG Swift OLED PG34WCDM 34"240 Hz
LG UltraGear 32GX870A240 Hz
StandardHighUltra

Summary

  • Sharpness: advantage LG UltraGear 32GX870A — At 65cm, the LG UltraGear 32GX870A is retina (140 PPI) while the ASUS ROG Swift OLED PG34WCDM 34" is not — you need to sit at least 80cm away for pixel-free viewing.
  • Brightness: comparable — Both screens offer similar brightness (270 vs 275 nits SDR). Neither has a meaningful advantage for outdoor use.

Key Differences

Specification ASUS ROG Swift OLED PG34WCDM 34" LG UltraGear 32GX870A
Screen Size 33.94" 31.5"
Color Gamut sRGB 135% · DCI-P3 99% · Adobe RGB 95% sRGB 100% · DCI-P3 98.5%
Resolution 3440×1440 3840×2160
Pixel Density (PPI) 110 140
Optimal Viewing Distance 80cm 62cm
SDR Brightness 270 nits 275 nits
Year 2024 2025
All specifications
Specification ASUS ROG Swift OLED PG34WCDM 34" 2024 LG UltraGear 32GX870A 2025
Screen Size 33.94" (Better) 31.5"
Resolution 3440×1440 3840×2160 (Better)
Pixel Density (PPI) 110 140 (Better)
Optimal Viewing Distance 80cm 62cm (Better)
Panel Type OLED OLED
Viewing Angle 178° 178°
Aspect Ratio 21:9 16:9
Refresh Rate 240 Hz 240 Hz
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 270 nits 275 nits (Better)
HDR Peak Brightness 1300 nits 1300 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 Hub
USB-C Power Delivery 90 W 90 W
Color Gamut sRGB 135% · DCI-P3 99% · Adobe RGB 95% (Better) sRGB 100% · DCI-P3 98.5%
Year 2024 2025 (Better)

Frequently Asked Questions

Which has better PPI: ASUS ROG Swift OLED PG34WCDM 34" or LG UltraGear 32GX870A?
The LG UltraGear 32GX870A has 140 PPI compared to 110 PPI for the ASUS ROG Swift OLED PG34WCDM 34".
Which has a closer optimal viewing distance?
The LG UltraGear 32GX870A requires 62cm vs 80cm for the ASUS ROG Swift OLED PG34WCDM 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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