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AOC U27G4R 27" vs Samsung Space 27"

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

AOC U27G4R 27"

27" · 3840×2160 · IPS
Optimal Viewing Distance 54cm
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Samsung Space 27"

27" · 2560×1440 · VA
Optimal Viewing Distance 80cm
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Advantages of AOC U27G4R 27"

Specification AOC U27G4R 27" Samsung Space 27"
Resolution 3840×2160 2560×1440
Pixel Density (PPI) 163 109
Optimal Viewing Distance 54cm 80cm
Refresh Rate 160 Hz 144 Hz
SDR Brightness 400 nits 250 nits
HDR Peak Brightness 400 nits 250 nits
Color Gamut sRGB 124.7% · DCI-P3 95.9% · Adobe RGB 93.4% sRGB 97%
Year 2024 2019

Advantages of Samsung Space 27"

Specification AOC U27G4R 27" Samsung Space 27"
Contrast Ratio 1:1,000 1:3,000

Identical

Specification AOC U27G4R 27" Samsung Space 27"
Screen Size 27" 27"
Panel Type IPS VA
Viewing Angle 178° 178°
Aspect Ratio 16:9 16:9
Variable Refresh Rate (VRR) G-SYNC Compatible FreeSync
Response Time 0.5 ms MPRT 4 ms GTG
HDR Certification DisplayHDR 400 None
Ports 2x HDMI · 1x DP · USB Hub 1x HDMI · 1x DP

Summary

Sharpness: advantage AOC U27G4R 27"

At 65cm, the AOC U27G4R 27" is retina (163 PPI) while the Samsung Space 27" is not — you need to sit at least 80cm away for pixel-free viewing.

Brightness: advantage AOC U27G4R 27"

The AOC U27G4R 27" is 60% brighter in SDR (400 vs 250 nits), a noticeable difference for outdoor readability. HDR peak: 400 vs 250 nits.

All specifications
Specification AOC U27G4R 27" 2024 Samsung Space 27" 2019
Screen Size 27" 27"
Resolution 3840×2160 (Better) 2560×1440
Pixel Density (PPI) 163 (Better) 109
Optimal Viewing Distance 54cm (Better) 80cm
Panel Type IPS VA
Viewing Angle 178° 178°
Aspect Ratio 16:9 16:9
Refresh Rate 160 Hz (Better) 144 Hz
Variable Refresh Rate (VRR) G-SYNC Compatible FreeSync
Response Time 0.5 ms MPRT 4 ms GTG
HDR Certification DisplayHDR 400 None
SDR Brightness 400 nits (Better) 250 nits
HDR Peak Brightness 400 nits (Better) 250 nits
Contrast Ratio 1:1,000 1:3,000 (Better)
Ports 2x HDMI · 1x DP · USB Hub 1x HDMI · 1x DP
Color Gamut sRGB 124.7% · DCI-P3 95.9% · Adobe RGB 93.4% (Better) sRGB 97%
Year 2024 (Better) 2019

Frequently Asked Questions

Which has better PPI: AOC U27G4R 27" or Samsung Space 27"?
The AOC U27G4R 27" has 163 PPI compared to 109 PPI for the Samsung Space 27".
Which has a closer optimal viewing distance?
The AOC U27G4R 27" requires 54cm vs 80cm for the Samsung Space 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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