ASUS ROG Swift PG32UCDM3 vs ASUS ROG Swift PG42UQ 42"
Side-by-side comparison of viewing distance, PPI, and specifications
ASUS ROG Swift PG32UCDM3
31.5" · 3840×2160 · QD-OLED
Optimal Viewing Distance 62cm
Open in calculator →
ASUS ROG Swift PG42UQ 42"
41.5" · 3840×2160 · OLED
Optimal Viewing Distance 82cm
Open in calculator →
Category Ranking
Pixel Density (PPI)67in category
ASUS ROG Swift PG32UCDM3140 PPI #30
ASUS ROG Swift PG42UQ 42"106 PPI #64
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Swift PG32UCDM31000 nits #7
ASUS ROG Swift PG42UQ 42"1000 nits #7
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ROG Swift PG32UCDM399% #2
ASUS ROG Swift PG42UQ 42"98% #31
79%100%
Refresh Rate
ASUS ROG Swift PG32UCDM3240 Hz
ASUS ROG Swift PG42UQ 42"138 Hz
StandardHighUltra
Summary
- Sharpness: advantage ASUS ROG Swift PG32UCDM3 — At 65cm, the ASUS ROG Swift PG32UCDM3 is retina (140 PPI) while the ASUS ROG Swift PG42UQ 42" is not — you need to sit at least 82cm away for pixel-free viewing.
- Brightness: advantage ASUS ROG Swift PG42UQ 42" — The ASUS ROG Swift PG42UQ 42" is 50% brighter in SDR (450 vs 300 nits), a noticeable difference for outdoor readability. HDR peak: 1000 vs 1000 nits.
Key Differences
| Specification | ASUS ROG Swift PG32UCDM3 | ASUS ROG Swift PG42UQ 42" |
|---|---|---|
| Pixel Density (PPI) | 140 | 106 |
| Optimal Viewing Distance | 62cm | 82cm |
| Refresh Rate | 240 Hz | 138 Hz |
| Response Time | 0.0 ms GTG | 0.1 ms GTG |
| Contrast Ratio | 1:1,500,000 | 1:1,000,000 |
| Year | 2025 | 2022 |
| Screen Size | 31.5" | 41.5" |
| SDR Brightness | 300 nits | 450 nits |
| Color Gamut | sRGB 100% · DCI-P3 99% | sRGB 133% · DCI-P3 98% · Adobe RGB 94% |
All specifications
| Specification | ASUS ROG Swift PG32UCDM3 2025 | ASUS ROG Swift PG42UQ 42" 2022 |
|---|---|---|
| Screen Size | 31.5" | 41.5" (Better) |
| Resolution | 3840×2160 | 3840×2160 |
| Pixel Density (PPI) | 140 (Better) | 106 |
| Optimal Viewing Distance | 62cm (Better) | 82cm |
| Panel Type | QD-OLED | OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 240 Hz (Better) | 138 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro | G-SYNC Compatible |
| Response Time | 0.0 ms GTG (Better) | 0.1 ms GTG |
| HDR Certification | DisplayHDR True Black 500 | None |
| SDR Brightness | 300 nits | 450 nits (Better) |
| HDR Peak Brightness | 1000 nits | 1000 nits |
| Contrast Ratio | 1:1,500,000 (Better) | 1:1,000,000 |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 4x HDMI · 1x DP · USB Hub |
| USB-C Power Delivery | 90 W | — |
| Color Gamut | sRGB 100% · DCI-P3 99% | sRGB 133% · DCI-P3 98% · Adobe RGB 94% (Better) |
| Year | 2025 (Better) | 2022 |
Frequently Asked Questions
Which has better PPI: ASUS ROG Swift PG32UCDM3 or ASUS ROG Swift PG42UQ 42"?
The ASUS ROG Swift PG32UCDM3 has 140 PPI compared to 106 PPI for the ASUS ROG Swift PG42UQ 42".
Which has a closer optimal viewing distance?
The ASUS ROG Swift PG32UCDM3 requires 62cm vs 82cm for the ASUS ROG Swift PG42UQ 42" to reach retina quality.
Related Comparisons
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs ASUS ROG Swift PG32UCDM3 2025 · 140 PPI · 31.5" · 240 Hz
Alienware AW2725DF 27" 2024 · 110 PPI · 26.7" · 360 Hz
vs ASUS ROG Swift PG42UQ 42" 2022 · 106 PPI · 41.5" · 138 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs ASUS ROG Swift PG32UCDM3 2025 · 140 PPI · 31.5" · 240 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs ASUS ROG Swift PG42UQ 42" 2022 · 106 PPI · 41.5" · 138 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).
Last updated: