Skip to content

Dell U2723QE 27" vs Samsung ViewFinity S9 5K

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

Dell U2723QE 27"

27" · 3840×2160 · IPS
Optimal Viewing Distance 54cm
Open in calculator →

Samsung ViewFinity S9 5K

27" · 5120×2880 · IPS
Optimal Viewing Distance 40cm
Open in calculator →

Category Ranking

Pixel Density (PPI)67in category
Dell U2723QE 27"163 PPI #20
Samsung ViewFinity S9 5K218 PPI #5
93 PPI224 PPI
HDR Peak Brightness67in category
Dell U2723QE 27"400 nits #51
Samsung ViewFinity S9 5K600 nits #22
250 nits2000 nits
DCI-P3 Color Gamut63in category
Dell U2723QE 27"98% #31
Samsung ViewFinity S9 5K99% #2
79%100%
Refresh Rate
Dell U2723QE 27"60 Hz
Samsung ViewFinity S9 5K60 Hz
StandardHighUltra

Summary

  • Sharpness: no visible difference — Both screens exceed the retina threshold at 65cm. The Samsung ViewFinity S9 5K has 25% higher pixel density (218 vs 163 PPI), but this only becomes visible below 40cm.
  • Brightness: advantage Samsung ViewFinity S9 5K — The Samsung ViewFinity S9 5K is 50% brighter in SDR (600 vs 400 nits), a noticeable difference for outdoor readability. HDR peak: 600 vs 400 nits.

Key Differences

Specification Dell U2723QE 27" Samsung ViewFinity S9 5K
Contrast Ratio 1:2,000 1:1,000
Resolution 3840×2160 5120×2880
Pixel Density (PPI) 163 218
Optimal Viewing Distance 54cm 40cm
SDR Brightness 400 nits 600 nits
HDR Peak Brightness 400 nits 600 nits
Color Gamut sRGB 100% · DCI-P3 98% · Adobe RGB 89% sRGB 100% · DCI-P3 99% · Adobe RGB 94%
Year 2022 2023
All specifications
Specification Dell U2723QE 27" 2022 Samsung ViewFinity S9 5K 2023
Screen Size 27" 27"
Resolution 3840×2160 5120×2880 (Better)
Pixel Density (PPI) 163 218 (Better)
Optimal Viewing Distance 54cm 40cm (Better)
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 16:9 16:9
Refresh Rate 60 Hz 60 Hz
Variable Refresh Rate (VRR) None None
Response Time 5 ms GTG 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 1:2,000 (Better) 1:1,000
Ports 1x HDMI · 1x DP · USB-C · USB Hub 1x DP · USB-C · USB Hub
USB-C Power Delivery 90 W 90 W
Color Gamut sRGB 100% · DCI-P3 98% · Adobe RGB 89% sRGB 100% · DCI-P3 99% · Adobe RGB 94% (Better)
Year 2022 2023 (Better)

Frequently Asked Questions

Which has better PPI: Dell U2723QE 27" or Samsung ViewFinity S9 5K?
The Samsung ViewFinity S9 5K has 218 PPI compared to 163 PPI for the Dell U2723QE 27".
Which has a closer optimal viewing distance?
The Samsung ViewFinity S9 5K requires 40cm vs 54cm for the Dell U2723QE 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).

Last updated: