ASUS ROG Swift OLED PG34WCDM 34" vs MSI MAG 271QPX QD-OLED 27"
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
Open in calculator →
MSI MAG 271QPX QD-OLED 27"
26.5" · 2560×1440 · QD-OLED
Optimal Viewing Distance 79cm
Open in calculator →
Category Ranking
Pixel Density (PPI)67in category
ASUS ROG Swift OLED PG34WCDM 34"110 PPI #47
MSI MAG 271QPX QD-OLED 27"111 PPI #45
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Swift OLED PG34WCDM 34"1300 nits #3
MSI MAG 271QPX QD-OLED 27"1000 nits #7
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ROG Swift OLED PG34WCDM 34"99% #2
MSI MAG 271QPX QD-OLED 27"99% #2
79%100%
Refresh Rate
ASUS ROG Swift OLED PG34WCDM 34"240 Hz
MSI MAG 271QPX QD-OLED 27"360 Hz
StandardHighUltra
Summary
- Sharpness: advantage MSI MAG 271QPX QD-OLED 27" — Neither screen reaches retina quality at 65cm. The MSI MAG 271QPX QD-OLED 27" gets there at 79cm vs 80cm for the ASUS ROG Swift OLED PG34WCDM 34".
- Brightness: advantage ASUS ROG Swift OLED PG34WCDM 34" — Similar SDR brightness (270 vs 250 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" | MSI MAG 271QPX QD-OLED 27" |
|---|---|---|
| Screen Size | 33.94" | 26.5" |
| Resolution | 3440×1440 | 2560×1440 |
| SDR Brightness | 270 nits | 250 nits |
| HDR Peak Brightness | 1300 nits | 1000 nits |
| USB-C Power Delivery | 90 W | 15 W |
| Color Gamut | sRGB 135% · DCI-P3 99% · Adobe RGB 95% | sRGB 100% · DCI-P3 99% |
| Pixel Density (PPI) | 110 | 111 |
| Optimal Viewing Distance | 80cm | 79cm |
| Refresh Rate | 240 Hz | 360 Hz |
All specifications
| Specification | ASUS ROG Swift OLED PG34WCDM 34" 2024 | MSI MAG 271QPX QD-OLED 27" 2024 |
|---|---|---|
| Screen Size | 33.94" (Better) | 26.5" |
| Resolution | 3440×1440 (Better) | 2560×1440 |
| Pixel Density (PPI) | 110 | 111 (Better) |
| Optimal Viewing Distance | 80cm | 79cm (Better) |
| Panel Type | OLED | QD-OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 21:9 | 16:9 |
| Refresh Rate | 240 Hz | 360 Hz (Better) |
| 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 400 |
| SDR Brightness | 270 nits (Better) | 250 nits |
| 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-C Power Delivery | 90 W (Better) | 15 W |
| Color Gamut | sRGB 135% · DCI-P3 99% · Adobe RGB 95% (Better) | sRGB 100% · DCI-P3 99% |
| Year | 2024 | 2024 |
Frequently Asked Questions
Which has better PPI: ASUS ROG Swift OLED PG34WCDM 34" or MSI MAG 271QPX QD-OLED 27"?
The MSI MAG 271QPX QD-OLED 27" has 111 PPI compared to 110 PPI for the ASUS ROG Swift OLED PG34WCDM 34".
Which has a closer optimal viewing distance?
The MSI MAG 271QPX QD-OLED 27" requires 79cm 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 MSI MAG 271QPX QD-OLED 27" 2024 · 111 PPI · 26.5" · 360 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 MSI MAG 271QPX QD-OLED 27" 2024 · 111 PPI · 26.5" · 360 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: