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BenQ RD280U vs Kuycon Q34W

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

BenQ RD280U

28.2" · 3840×2560 · IPS
Optimal Viewing Distance 53cm
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Kuycon Q34W

34" · 3440×1440 · IPS
Optimal Viewing Distance 80cm
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Category Ranking

Pixel Density (PPI)67in category
BenQ RD280U164 PPI #18
Kuycon Q34W110 PPI #47
93 PPI224 PPI
HDR Peak Brightness67in category
BenQ RD280U400 nits #51
Kuycon Q34W500 nits #42
250 nits2000 nits
DCI-P3 Color Gamut63in category
BenQ RD280U93% #59
Kuycon Q34W96% #45
79%100%
Refresh Rate
BenQ RD280U60 Hz
Kuycon Q34W165 Hz
StandardHighUltra

Summary

  • Sharpness: advantage BenQ RD280U — At 65cm, the BenQ RD280U is retina (164 PPI) while the Kuycon Q34W is not — you need to sit at least 80cm away for pixel-free viewing.
  • Brightness: advantage Kuycon Q34W — The Kuycon Q34W is 43% brighter in SDR (500 vs 350 nits), a noticeable difference for outdoor readability. HDR peak: 500 vs 400 nits.

Key Differences

Specification BenQ RD280U Kuycon Q34W
Resolution 3840×2560 3440×1440
Pixel Density (PPI) 164 110
Optimal Viewing Distance 53cm 80cm
Contrast Ratio 1:1,200 1:1,000
Screen Size 28.2" 34"
Refresh Rate 60 Hz 165 Hz
SDR Brightness 350 nits 500 nits
HDR Peak Brightness 400 nits 500 nits
USB-C Power Delivery 90 W 100 W
Color Gamut sRGB 100% · DCI-P3 93% · Adobe RGB 87% sRGB 99% · DCI-P3 96%
Year 2024 2025
All specifications
Specification BenQ RD280U 2024 Kuycon Q34W 2025
Screen Size 28.2" 34" (Better)
Resolution 3840×2560 (Better) 3440×1440
Pixel Density (PPI) 164 (Better) 110
Optimal Viewing Distance 53cm (Better) 80cm
Panel Type IPS IPS
Viewing Angle 178° 178°
Aspect Ratio 3:2 21:9
Refresh Rate 60 Hz 165 Hz (Better)
Variable Refresh Rate (VRR) None G-SYNC Compatible
Response Time 5 ms GTG 5 ms GTG
HDR Certification DisplayHDR 400 None
SDR Brightness 350 nits 500 nits (Better)
HDR Peak Brightness 400 nits 500 nits (Better)
Contrast Ratio 1:1,200 (Better) 1:1,000
Ports 1x HDMI · 1x DP · USB-C · USB Hub 2x HDMI · 1x DP · USB-C · USB Hub
USB-C Power Delivery 90 W 100 W (Better)
Color Gamut sRGB 100% · DCI-P3 93% · Adobe RGB 87% sRGB 99% · DCI-P3 96% (Better)
Year 2024 2025 (Better)

Frequently Asked Questions

Which has better PPI: BenQ RD280U or Kuycon Q34W?
The BenQ RD280U has 164 PPI compared to 110 PPI for the Kuycon Q34W.
Which has a closer optimal viewing distance?
The BenQ RD280U requires 53cm vs 80cm for the Kuycon Q34W 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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