AOC U27G4R 27" vs Kuycon P20
Side-by-side comparison of viewing distance, PPI, and specifications
Advantages of AOC U27G4R 27"
| Specification | AOC U27G4R 27" | Kuycon P20 |
|---|---|---|
| Refresh Rate | 160 Hz | 60 Hz |
| Color Gamut | sRGB 124.7% · DCI-P3 95.9% · Adobe RGB 93.4% | sRGB 99% · DCI-P3 99% |
Advantages of Kuycon P20
| Specification | AOC U27G4R 27" | Kuycon P20 |
|---|---|---|
| Screen Size | 27" | 28.2" |
| Resolution | 3840×2160 | 4500×3000 |
| Pixel Density (PPI) | 163 | 192 |
| Optimal Viewing Distance | 54cm | 46cm |
| SDR Brightness | 400 nits | 500 nits |
| HDR Peak Brightness | 400 nits | 600 nits |
| Contrast Ratio | 1:1,000 | 1:1,500 |
| Year | 2024 | 2025 |
Identical
| Specification | AOC U27G4R 27" | Kuycon P20 |
|---|---|---|
| Panel Type | IPS | IPS |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 3:2 |
| Variable Refresh Rate (VRR) | G-SYNC Compatible | FreeSync |
| Response Time | 0.5 ms MPRT | 8 ms GTG |
| HDR Certification | DisplayHDR 400 | DisplayHDR 600 |
| Ports | 2x HDMI · 1x DP · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | — | 100 W |
Summary
Sharpness: no visible difference
Both screens exceed the retina threshold at 65cm. The Kuycon P20 has 15% higher pixel density (192 vs 163 PPI), but this only becomes visible below 46cm.
Brightness: advantage Kuycon P20
The Kuycon P20 is 25% brighter in SDR (500 vs 400 nits), a noticeable difference for outdoor readability. HDR peak: 600 vs 400 nits.
All specifications
| Specification | AOC U27G4R 27" 2024 | Kuycon P20 2025 |
|---|---|---|
| Screen Size | 27" | 28.2" (Better) |
| Resolution | 3840×2160 | 4500×3000 (Better) |
| Pixel Density (PPI) | 163 | 192 (Better) |
| Optimal Viewing Distance | 54cm | 46cm (Better) |
| Panel Type | IPS | IPS |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 3:2 |
| Refresh Rate | 160 Hz (Better) | 60 Hz |
| Variable Refresh Rate (VRR) | G-SYNC Compatible | FreeSync |
| Response Time | 0.5 ms MPRT | 8 ms GTG |
| HDR Certification | DisplayHDR 400 | DisplayHDR 600 |
| SDR Brightness | 400 nits | 500 nits (Better) |
| HDR Peak Brightness | 400 nits | 600 nits (Better) |
| Contrast Ratio | 1:1,000 | 1:1,500 (Better) |
| Ports | 2x HDMI · 1x DP · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | — | 100 W |
| Color Gamut | sRGB 124.7% · DCI-P3 95.9% · Adobe RGB 93.4% (Better) | sRGB 99% · DCI-P3 99% |
| Year | 2024 | 2025 (Better) |
Frequently Asked Questions
Which has better PPI: AOC U27G4R 27" or Kuycon P20?
The Kuycon P20 has 192 PPI compared to 163 PPI for the AOC U27G4R 27".
Which has a closer optimal viewing distance?
The Kuycon P20 requires 46cm vs 54cm for the AOC U27G4R 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:
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