ASUS ROG Swift OLED PG34WCDM 34" vs Dell 27 Plus S2725QC
Side-by-side comparison of viewing distance, PPI, and specifications
ASUS ROG Swift OLED PG34WCDM 34"
33.94" · 3440×1440 · OLED
Optimal Viewing Distance 80cm
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Category Ranking
Pixel Density (PPI)67in category
ASUS ROG Swift OLED PG34WCDM 34"110 PPI #47
Dell 27 Plus S2725QC163 PPI #20
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Swift OLED PG34WCDM 34"1300 nits #3
Dell 27 Plus S2725QC350 nits #61
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ROG Swift OLED PG34WCDM 34"99% #2
Dell 27 Plus S2725QC95% #48
79%100%
Refresh Rate
ASUS ROG Swift OLED PG34WCDM 34"240 Hz
Dell 27 Plus S2725QC120 Hz
StandardHighUltra
Summary
- Sharpness: advantage Dell 27 Plus S2725QC — At 65cm, the Dell 27 Plus S2725QC is retina (163 PPI) while the ASUS ROG Swift OLED PG34WCDM 34" is not — you need to sit at least 80cm away for pixel-free viewing.
- Brightness: advantage Dell 27 Plus S2725QC — The Dell 27 Plus S2725QC is 30% brighter in SDR (350 vs 270 nits), a noticeable difference for outdoor readability. HDR peak: 350 vs 1300 nits.
Key Differences
| Specification | ASUS ROG Swift OLED PG34WCDM 34" | Dell 27 Plus S2725QC |
|---|---|---|
| Screen Size | 33.94" | 27" |
| Refresh Rate | 240 Hz | 120 Hz |
| Response Time | 0.0 ms GTG | 5 ms GTG |
| HDR Peak Brightness | 1300 nits | 350 nits |
| Contrast Ratio | 1:1,500,000 | 1:1,500 |
| USB-C Power Delivery | 90 W | 65 W |
| Color Gamut | sRGB 135% · DCI-P3 99% · Adobe RGB 95% | sRGB 99% · DCI-P3 95% |
| Resolution | 3440×1440 | 3840×2160 |
| Pixel Density (PPI) | 110 | 163 |
| Optimal Viewing Distance | 80cm | 54cm |
| SDR Brightness | 270 nits | 350 nits |
| Year | 2024 | 2025 |
All specifications
| Specification | ASUS ROG Swift OLED PG34WCDM 34" 2024 | Dell 27 Plus S2725QC 2025 |
|---|---|---|
| Screen Size | 33.94" (Better) | 27" |
| Resolution | 3440×1440 | 3840×2160 (Better) |
| Pixel Density (PPI) | 110 | 163 (Better) |
| Optimal Viewing Distance | 80cm | 54cm (Better) |
| Panel Type | OLED | IPS |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 21:9 | 16:9 |
| Refresh Rate | 240 Hz (Better) | 120 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro | FreeSync Premium |
| Response Time | 0.0 ms GTG (Better) | 5 ms GTG |
| HDR Certification | DisplayHDR True Black 400 | None |
| SDR Brightness | 270 nits | 350 nits (Better) |
| HDR Peak Brightness | 1300 nits (Better) | 350 nits |
| Contrast Ratio | 1:1,500,000 (Better) | 1:1,500 |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 2x HDMI · USB-C · USB Hub |
| USB-C Power Delivery | 90 W (Better) | 65 W |
| Color Gamut | sRGB 135% · DCI-P3 99% · Adobe RGB 95% (Better) | sRGB 99% · DCI-P3 95% |
| Year | 2024 | 2025 (Better) |
Frequently Asked Questions
Which has better PPI: ASUS ROG Swift OLED PG34WCDM 34" or Dell 27 Plus S2725QC?
The Dell 27 Plus S2725QC has 163 PPI compared to 110 PPI for the ASUS ROG Swift OLED PG34WCDM 34".
Which has a closer optimal viewing distance?
The Dell 27 Plus S2725QC requires 54cm vs 80cm for the ASUS ROG Swift OLED PG34WCDM 34" to reach retina quality.
Related Comparisons
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs ASUS ROG Swift OLED PG34WCDM 34" 2024 · 110 PPI · 33.94" · 240 Hz
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs Dell 27 Plus S2725QC 2025 · 163 PPI · 27" · 120 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs ASUS ROG Swift OLED PG34WCDM 34" 2024 · 110 PPI · 33.94" · 240 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs Dell 27 Plus S2725QC 2025 · 163 PPI · 27" · 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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