Dell 27 Plus S2725QC vs Kuycon P40K
Side-by-side comparison of viewing distance, PPI, and specifications
Category Ranking
Pixel Density (PPI)67in category
Dell 27 Plus S2725QC163 PPI #20
Kuycon P40K139 PPI #41
93 PPI224 PPI
HDR Peak Brightness67in category
Dell 27 Plus S2725QC350 nits #61
Kuycon P40K450 nits #48
250 nits2000 nits
DCI-P3 Color Gamut63in category
Dell 27 Plus S2725QC95% #48
Kuycon P40K96% #45
79%100%
Refresh Rate
Dell 27 Plus S2725QC120 Hz
Kuycon P40K120 Hz
StandardHighUltra
Summary
- Sharpness: no visible difference — Both screens exceed the retina threshold at 65cm. The Dell 27 Plus S2725QC has 17% higher pixel density (163 vs 139 PPI), but this only becomes visible below 54cm.
- Brightness: advantage Kuycon P40K — Similar SDR brightness (350 vs 400 nits), but the Kuycon P40K leads in HDR peak (450 vs 350 nits).
Key Differences
| Specification | Dell 27 Plus S2725QC | Kuycon P40K |
|---|---|---|
| Pixel Density (PPI) | 163 | 139 |
| Optimal Viewing Distance | 54cm | 63cm |
| Response Time | 5 ms GTG | 8 ms GTG |
| Screen Size | 27" | 40" |
| Resolution | 3840×2160 | 5120×2160 |
| SDR Brightness | 350 nits | 400 nits |
| HDR Peak Brightness | 350 nits | 450 nits |
| Contrast Ratio | 1:1,500 | 1:2,000 |
| USB-C Power Delivery | 65 W | 100 W |
| Color Gamut | sRGB 99% · DCI-P3 95% | sRGB 99% · DCI-P3 96% |
All specifications
| Specification | Dell 27 Plus S2725QC 2025 | Kuycon P40K 2025 |
|---|---|---|
| Screen Size | 27" | 40" (Better) |
| Resolution | 3840×2160 | 5120×2160 (Better) |
| Pixel Density (PPI) | 163 (Better) | 139 |
| Optimal Viewing Distance | 54cm (Better) | 63cm |
| Panel Type | IPS | IPS |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 21:9 |
| Refresh Rate | 120 Hz | 120 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium | G-SYNC Compatible |
| Response Time | 5 ms GTG (Better) | 8 ms GTG |
| HDR Certification | None | None |
| SDR Brightness | 350 nits | 400 nits (Better) |
| HDR Peak Brightness | 350 nits | 450 nits (Better) |
| Contrast Ratio | 1:1,500 | 1:2,000 (Better) |
| Ports | 2x HDMI · USB-C · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | 65 W | 100 W (Better) |
| Color Gamut | sRGB 99% · DCI-P3 95% | sRGB 99% · DCI-P3 96% (Better) |
| Year | 2025 | 2025 |
Frequently Asked Questions
Which has better PPI: Dell 27 Plus S2725QC or Kuycon P40K?
The Dell 27 Plus S2725QC has 163 PPI compared to 139 PPI for the Kuycon P40K.
Which has a closer optimal viewing distance?
The Dell 27 Plus S2725QC requires 54cm vs 63cm for the Kuycon P40K to reach retina quality.
Related Comparisons
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs Dell 27 Plus S2725QC 2025 · 163 PPI · 27" · 120 Hz
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs Kuycon P40K 2025 · 139 PPI · 40" · 120 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs Dell 27 Plus S2725QC 2025 · 163 PPI · 27" · 120 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs Kuycon P40K 2025 · 139 PPI · 40" · 120 Hz
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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