ASUS ROG Swift OLED PG34WCDM 34" vs ASUS ROG Swift PG32UCDM3
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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ASUS ROG Swift PG32UCDM3
31.5" · 3840×2160 · QD-OLED
Optimal Viewing Distance 62cm
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Category Ranking
Pixel Density (PPI)67in category
ASUS ROG Swift OLED PG34WCDM 34"110 PPI #47
ASUS ROG Swift PG32UCDM3140 PPI #30
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Swift OLED PG34WCDM 34"1300 nits #3
ASUS ROG Swift PG32UCDM31000 nits #7
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ROG Swift OLED PG34WCDM 34"99% #2
ASUS ROG Swift PG32UCDM399% #2
79%100%
Refresh Rate
ASUS ROG Swift OLED PG34WCDM 34"240 Hz
ASUS ROG Swift PG32UCDM3240 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 OLED PG34WCDM 34" is not — you need to sit at least 80cm away for pixel-free viewing.
- Brightness: advantage ASUS ROG Swift OLED PG34WCDM 34" — Similar SDR brightness (270 vs 300 nits), but the ASUS ROG Swift OLED PG34WCDM 34" leads in HDR peak (1300 vs 1000 nits).
Key Differences
| Specification | ASUS ROG Swift OLED PG34WCDM 34" | ASUS ROG Swift PG32UCDM3 |
|---|---|---|
| Screen Size | 33.94" | 31.5" |
| HDR Peak Brightness | 1300 nits | 1000 nits |
| Color Gamut | sRGB 135% · DCI-P3 99% · Adobe RGB 95% | sRGB 100% · DCI-P3 99% |
| Resolution | 3440×1440 | 3840×2160 |
| Pixel Density (PPI) | 110 | 140 |
| Optimal Viewing Distance | 80cm | 62cm |
| SDR Brightness | 270 nits | 300 nits |
| Year | 2024 | 2025 |
All specifications
| Specification | ASUS ROG Swift OLED PG34WCDM 34" 2024 | ASUS ROG Swift PG32UCDM3 2025 |
|---|---|---|
| Screen Size | 33.94" (Better) | 31.5" |
| Resolution | 3440×1440 | 3840×2160 (Better) |
| Pixel Density (PPI) | 110 | 140 (Better) |
| Optimal Viewing Distance | 80cm | 62cm (Better) |
| Panel Type | OLED | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 21:9 | 16:9 |
| Refresh Rate | 240 Hz | 240 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro | FreeSync Premium Pro |
| Response Time | 0.0 ms GTG | 0.0 ms GTG |
| HDR Certification | DisplayHDR True Black 400 | DisplayHDR True Black 500 |
| SDR Brightness | 270 nits | 300 nits (Better) |
| HDR Peak Brightness | 1300 nits (Better) | 1000 nits |
| Contrast Ratio | 1:1,500,000 | 1:1,500,000 |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | 90 W | 90 W |
| Color Gamut | sRGB 135% · DCI-P3 99% · Adobe RGB 95% (Better) | sRGB 100% · DCI-P3 99% |
| Year | 2024 | 2025 (Better) |
Frequently Asked Questions
Which has better PPI: ASUS ROG Swift OLED PG34WCDM 34" or ASUS ROG Swift PG32UCDM3?
The ASUS ROG Swift PG32UCDM3 has 140 PPI compared to 110 PPI for the ASUS ROG Swift OLED PG34WCDM 34".
Which has a closer optimal viewing distance?
The ASUS ROG Swift PG32UCDM3 requires 62cm 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 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 OLED PG34WCDM 34" 2024 · 110 PPI · 33.94" · 240 Hz
Alienware AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs ASUS ROG Swift PG32UCDM3 2025 · 140 PPI · 31.5" · 240 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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