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LG 27GP850-B 27" vs Samsung ViewFinity S9 5K

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

LG 27GP850-B 27"

27" · 2560×1440 · IPS
Optimal Viewing Distance 80cm
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Samsung ViewFinity S9 5K

27" · 5120×2880 · IPS
Optimal Viewing Distance 40cm
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Specification LG 27GP850-B 27" 2021 Samsung ViewFinity S9 5K 2023
Screen Size 27" 27"
Resolution 2560×1440 5120×2880 (Better)
Pixel Density (PPI) 109 218 (Better)
Optimal Viewing Distance 80cm 40cm (Better)
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 16:9 16:9
Refresh Rate 165 Hz (Better) 60 Hz
Variable Refresh Rate (VRR) FreeSync Premium None
Response Time 1 ms GTG (Better) 5 ms GTG
HDR Certification DisplayHDR 400 None
SDR Brightness 400 nits 600 nits (Better)
HDR Peak Brightness 400 nits 600 nits (Better)
Contrast Ratio 1:1,000 1:1,000
Ports 2x HDMI · 1x DP · USB Hub 0x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 90 W
Color Gamut sRGB 135% · DCI-P3 98% · Adobe RGB 93% (Better) sRGB 100% · DCI-P3 99% · Adobe RGB 94%
Year 2021 2023 (Better)

Summary

The Samsung ViewFinity S9 5K has higher pixel density (218 PPI), making it sharper at close range.

The Samsung ViewFinity S9 5K allows sitting closer (40cm) while maintaining retina quality.

Frequently Asked Questions

Which has better PPI: LG 27GP850-B 27" or Samsung ViewFinity S9 5K?
The Samsung ViewFinity S9 5K has 218 PPI compared to 109 PPI for the LG 27GP850-B 27".
Which has a closer optimal viewing distance?
The Samsung ViewFinity S9 5K requires 40cm vs 80cm for the LG 27GP850-B 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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