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BenQ PD2730S vs LG UltraGear 45GX950A 45"

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

BenQ PD2730S

27" · 5120×2880 · IPS
Optimal Viewing Distance 40cm
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LG UltraGear 45GX950A 45"

44.5" · 5120×2160 · OLED
Optimal Viewing Distance 70cm
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Category Ranking

Pixel Density (PPI)67in category
BenQ PD2730S218 PPI #5
LG UltraGear 45GX950A 45"125 PPI #44
93 PPI224 PPI
HDR Peak Brightness67in category
BenQ PD2730S400 nits #51
LG UltraGear 45GX950A 45"1300 nits #3
250 nits2000 nits
DCI-P3 Color Gamut63in category
BenQ PD2730S98% #31
LG UltraGear 45GX950A 45"98% #31
79%100%
Refresh Rate
BenQ PD2730S60 Hz
LG UltraGear 45GX950A 45"165 Hz
StandardHighUltra

Summary

  • Sharpness: advantage BenQ PD2730S — At 65cm, the BenQ PD2730S is retina (218 PPI) while the LG UltraGear 45GX950A 45" is not — you need to sit at least 70cm away for pixel-free viewing.
  • Brightness: advantage BenQ PD2730S — The BenQ PD2730S is 45% brighter in SDR (400 vs 275 nits), a noticeable difference for outdoor readability. HDR peak: 400 vs 1300 nits.

Key Differences

Specification BenQ PD2730S LG UltraGear 45GX950A 45"
Resolution 5120×2880 5120×2160
Pixel Density (PPI) 218 125
Optimal Viewing Distance 40cm 70cm
SDR Brightness 400 nits 275 nits
Color Gamut sRGB 100% · DCI-P3 98% sRGB 100% · DCI-P3 98% · Adobe RGB 94%
Screen Size 27" 44.5"
Refresh Rate 60 Hz 165 Hz
Response Time 5 ms GTG 0.0 ms GTG
HDR Peak Brightness 400 nits 1300 nits
Contrast Ratio 1:2,000 1:1,500,000
Year 2024 2025
All specifications
Specification BenQ PD2730S 2024 LG UltraGear 45GX950A 45" 2025
Screen Size 27" 44.5" (Better)
Resolution 5120×2880 (Better) 5120×2160
Pixel Density (PPI) 218 (Better) 125
Optimal Viewing Distance 40cm (Better) 70cm
Panel Type IPS OLED
Viewing Angle 178° 178°
Aspect Ratio 16:9 21:9
Refresh Rate 60 Hz 165 Hz (Better)
Variable Refresh Rate (VRR) None FreeSync Premium Pro
Response Time 5 ms GTG 0.0 ms GTG (Better)
HDR Certification DisplayHDR 400 DisplayHDR True Black 400
SDR Brightness 400 nits (Better) 275 nits
HDR Peak Brightness 400 nits 1300 nits (Better)
Contrast Ratio 1:2,000 1:1,500,000 (Better)
Ports 1x 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 98% (Better) sRGB 100% · DCI-P3 98% · Adobe RGB 94%
Year 2024 2025 (Better)

Frequently Asked Questions

Which has better PPI: BenQ PD2730S or LG UltraGear 45GX950A 45"?
The BenQ PD2730S has 218 PPI compared to 125 PPI for the LG UltraGear 45GX950A 45".
Which has a closer optimal viewing distance?
The BenQ PD2730S requires 40cm vs 70cm for the LG UltraGear 45GX950A 45" 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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