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Apple Studio Display XDR 27" vs Samsung Odyssey G9 49"

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

Apple Studio Display XDR 27"

27" · 5120×2880 · Mini-LED
Optimal Viewing Distance 40cm
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Samsung Odyssey G9 49"

48.7" · 5120×1440 · VA
Optimal Viewing Distance 80cm
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Category Ranking

Pixel Density (PPI)67in category
Apple Studio Display XDR 27"218 PPI #5
Samsung Odyssey G9 49"109 PPI #55
93 PPI224 PPI
HDR Peak Brightness67in category
Apple Studio Display XDR 27"2000 nits #1
Samsung Odyssey G9 49"1000 nits #7
250 nits2000 nits
DCI-P3 Color Gamut63in category
Apple Studio Display XDR 27"99% #2
Samsung Odyssey G9 49"95% #48
79%100%
Refresh Rate
Apple Studio Display XDR 27"120 Hz
Samsung Odyssey G9 49"240 Hz
StandardHighUltra

Summary

  • Sharpness: advantage Apple Studio Display XDR 27" — At 65cm, the Apple Studio Display XDR 27" is retina (218 PPI) while the Samsung Odyssey G9 49" is not — you need to sit at least 80cm away for pixel-free viewing.
  • Brightness: advantage Apple Studio Display XDR 27" — The Apple Studio Display XDR 27" is 138% brighter in SDR (1000 vs 420 nits), a noticeable difference for outdoor readability. HDR peak: 2000 vs 1000 nits.

Key Differences

Specification Apple Studio Display XDR 27" Samsung Odyssey G9 49"
Resolution 5120×2880 5120×1440
Pixel Density (PPI) 218 109
Optimal Viewing Distance 40cm 80cm
SDR Brightness 1000 nits 420 nits
HDR Peak Brightness 2000 nits 1000 nits
Contrast Ratio 1:1,000,000 1:2,500
Year 2026 2020
Screen Size 27" 48.7"
Refresh Rate 120 Hz 240 Hz
Response Time 5 ms GTG 1 ms GTG
Color Gamut sRGB 100% · DCI-P3 99% · Adobe RGB 98% sRGB 125% · DCI-P3 95% · Adobe RGB 92%
All specifications
Specification Apple Studio Display XDR 27" 2026 Samsung Odyssey G9 49" 2020
Screen Size 27" 48.7" (Better)
Resolution 5120×2880 (Better) 5120×1440
Pixel Density (PPI) 218 (Better) 109
Optimal Viewing Distance 40cm (Better) 80cm
Panel Type Mini-LED VA
Viewing Angle 178° 178°
Aspect Ratio 16:9 32:9
Refresh Rate 120 Hz 240 Hz (Better)
Variable Refresh Rate (VRR) FreeSync FreeSync Premium Pro
Response Time 5 ms GTG 1 ms GTG (Better)
HDR Certification None DisplayHDR 1000
SDR Brightness 1000 nits (Better) 420 nits
HDR Peak Brightness 2000 nits (Better) 1000 nits
Contrast Ratio 1:1,000,000 (Better) 1:2,500
Ports USB-C · USB Hub 1x HDMI · 2x DP · USB Hub
USB-C Power Delivery 140 W
Color Gamut sRGB 100% · DCI-P3 99% · Adobe RGB 98% sRGB 125% · DCI-P3 95% · Adobe RGB 92% (Better)
Year 2026 (Better) 2020

Frequently Asked Questions

Which has better PPI: Apple Studio Display XDR 27" or Samsung Odyssey G9 49"?
The Apple Studio Display XDR 27" has 218 PPI compared to 109 PPI for the Samsung Odyssey G9 49".
Which has a closer optimal viewing distance?
The Apple Studio Display XDR 27" requires 40cm vs 80cm for the Samsung Odyssey G9 49" 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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