ASUS ROG Strix XG27JCG vs ASUS ROG Swift OLED PG34WCDM 34"
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 →
Category Ranking
Pixel Density (PPI)67in category
ASUS ROG Strix XG27JCG218 PPI #5
ASUS ROG Swift OLED PG34WCDM 34"110 PPI #47
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Strix XG27JCG600 nits #22
ASUS ROG Swift OLED PG34WCDM 34"1300 nits #3
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ROG Strix XG27JCG97% #44
ASUS ROG Swift OLED PG34WCDM 34"99% #2
79%100%
Refresh Rate
ASUS ROG Strix XG27JCG180 Hz
ASUS ROG Swift OLED PG34WCDM 34"240 Hz
StandardHighUltra
Summary
- Sharpness: advantage ASUS ROG Strix XG27JCG — At 65cm, the ASUS ROG Strix XG27JCG is retina (218 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 Strix XG27JCG — The ASUS ROG Strix XG27JCG is 30% brighter in SDR (350 vs 270 nits), a noticeable difference for outdoor readability. HDR peak: 600 vs 1300 nits.
Key Differences
| Specification | ASUS ROG Strix XG27JCG | ASUS ROG Swift OLED PG34WCDM 34" |
|---|---|---|
| Resolution | 5120×2880 | 3440×1440 |
| Pixel Density (PPI) | 218 | 110 |
| Optimal Viewing Distance | 40cm | 80cm |
| SDR Brightness | 350 nits | 270 nits |
| Year | 2026 | 2024 |
| Screen Size | 27" | 33.94" |
| Refresh Rate | 180 Hz | 240 Hz |
| Response Time | 1 ms GTG | 0.0 ms GTG |
| HDR Peak Brightness | 600 nits | 1300 nits |
| Contrast Ratio | 1:1,500 | 1:1,500,000 |
| Color Gamut | sRGB 100% · DCI-P3 97% | sRGB 135% · DCI-P3 99% · Adobe RGB 95% |
All specifications
| Specification | ASUS ROG Strix XG27JCG 2026 | ASUS ROG Swift OLED PG34WCDM 34" 2024 |
|---|---|---|
| Screen Size | 27" | 33.94" (Better) |
| Resolution | 5120×2880 (Better) | 3440×1440 |
| Pixel Density (PPI) | 218 (Better) | 110 |
| Optimal Viewing Distance | 40cm (Better) | 80cm |
| Panel Type | IPS | OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 21:9 |
| Refresh Rate | 180 Hz | 240 Hz (Better) |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro | FreeSync Premium Pro |
| Response Time | 1 ms GTG | 0.0 ms GTG (Better) |
| HDR Certification | DisplayHDR 600 | DisplayHDR True Black 400 |
| SDR Brightness | 350 nits (Better) | 270 nits |
| HDR Peak Brightness | 600 nits | 1300 nits (Better) |
| Contrast Ratio | 1:1,500 | 1:1,500,000 (Better) |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 2x HDMI · 1x DP · USB-C · USB Hub |
| USB-C Power Delivery | — | 90 W |
| Color Gamut | sRGB 100% · DCI-P3 97% | sRGB 135% · DCI-P3 99% · Adobe RGB 95% (Better) |
| Year | 2026 (Better) | 2024 |
Frequently Asked Questions
Which has better PPI: ASUS ROG Strix XG27JCG or ASUS ROG Swift OLED PG34WCDM 34"?
The ASUS ROG Strix XG27JCG has 218 PPI compared to 110 PPI for the ASUS ROG Swift OLED PG34WCDM 34".
Which has a closer optimal viewing distance?
The ASUS ROG Strix XG27JCG requires 40cm 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 Strix XG27JCG 2026 · 218 PPI · 27" · 180 Hz
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 AW3225QF 32" 2024 · 139 PPI · 31.6" · 240 Hz
vs ASUS ROG Strix XG27JCG 2026 · 218 PPI · 27" · 180 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
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: