ASUS ROG Swift OLED PG34WCDM 34" vs Samsung Space 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
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Category Ranking
Pixel Density (PPI)67in category
ASUS ROG Swift OLED PG34WCDM 34"110 PPI #47
Samsung Space 27"109 PPI #55
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Swift OLED PG34WCDM 34"1300 nits #3
Samsung Space 27"250 nits #67
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ROG Swift OLED PG34WCDM 34"99% #2
79%100%
Refresh Rate
ASUS ROG Swift OLED PG34WCDM 34"240 Hz
Samsung Space 27"144 Hz
StandardHighUltra
Summary
- Sharpness: advantage ASUS ROG Swift OLED PG34WCDM 34" — Neither screen reaches retina quality at 65cm. The ASUS ROG Swift OLED PG34WCDM 34" gets there at 80cm vs 80cm for the Samsung Space 27".
- 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 250 nits).
Key Differences
| Specification | ASUS ROG Swift OLED PG34WCDM 34" | Samsung Space 27" |
|---|---|---|
| Screen Size | 33.94" | 27" |
| Resolution | 3440×1440 | 2560×1440 |
| Pixel Density (PPI) | 110 | 109 |
| Refresh Rate | 240 Hz | 144 Hz |
| Response Time | 0.0 ms GTG | 4 ms GTG |
| SDR Brightness | 270 nits | 250 nits |
| HDR Peak Brightness | 1300 nits | 250 nits |
| Contrast Ratio | 1:1,500,000 | 1:3,000 |
| Color Gamut | sRGB 135% · DCI-P3 99% · Adobe RGB 95% | sRGB 97% |
| Year | 2024 | 2019 |
All specifications
| Specification | ASUS ROG Swift OLED PG34WCDM 34" 2024 | Samsung Space 27" 2019 |
|---|---|---|
| Screen Size | 33.94" (Better) | 27" |
| Resolution | 3440×1440 (Better) | 2560×1440 |
| Pixel Density (PPI) | 110 (Better) | 109 |
| Optimal Viewing Distance | 80cm | 80cm |
| Panel Type | OLED | VA |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 21:9 | 16:9 |
| Refresh Rate | 240 Hz (Better) | 144 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro | FreeSync |
| Response Time | 0.0 ms GTG (Better) | 4 ms GTG |
| HDR Certification | DisplayHDR True Black 400 | None |
| SDR Brightness | 270 nits (Better) | 250 nits |
| HDR Peak Brightness | 1300 nits (Better) | 250 nits |
| Contrast Ratio | 1:1,500,000 (Better) | 1:3,000 |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 1x HDMI · 1x DP |
| USB-C Power Delivery | 90 W | — |
| Color Gamut | sRGB 135% · DCI-P3 99% · Adobe RGB 95% (Better) | sRGB 97% |
| Year | 2024 (Better) | 2019 |
Frequently Asked Questions
Which has better PPI: ASUS ROG Swift OLED PG34WCDM 34" or Samsung Space 27"?
The ASUS ROG Swift OLED PG34WCDM 34" has 110 PPI compared to 109 PPI for the Samsung Space 27".
Which has a closer optimal viewing distance?
Both require 80cm for 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 Samsung Space 27" 2019 · 109 PPI · 27" · 144 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 Samsung Space 27" 2019 · 109 PPI · 27" · 144 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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