ASUS ROG Strix XG27JCG vs ASUS ROG Swift PG42UQ 42"
Side-by-side comparison of viewing distance, PPI, and specifications
ASUS ROG Swift PG42UQ 42"
41.5" · 3840×2160 · OLED
Optimal Viewing Distance 82cm
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Category Ranking
Pixel Density (PPI)67in category
ASUS ROG Strix XG27JCG218 PPI #5
ASUS ROG Swift PG42UQ 42"106 PPI #64
93 PPI224 PPI
HDR Peak Brightness67in category
ASUS ROG Strix XG27JCG600 nits #22
ASUS ROG Swift PG42UQ 42"1000 nits #7
250 nits2000 nits
DCI-P3 Color Gamut63in category
ASUS ROG Strix XG27JCG97% #44
ASUS ROG Swift PG42UQ 42"98% #31
79%100%
Refresh Rate
ASUS ROG Strix XG27JCG180 Hz
ASUS ROG Swift PG42UQ 42"138 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 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 29% brighter in SDR (450 vs 350 nits), a noticeable difference for outdoor readability. HDR peak: 1000 vs 600 nits.
Key Differences
| Specification | ASUS ROG Strix XG27JCG | ASUS ROG Swift PG42UQ 42" |
|---|---|---|
| Resolution | 5120×2880 | 3840×2160 |
| Pixel Density (PPI) | 218 | 106 |
| Optimal Viewing Distance | 40cm | 82cm |
| Refresh Rate | 180 Hz | 138 Hz |
| Year | 2026 | 2022 |
| Screen Size | 27" | 41.5" |
| Response Time | 1 ms GTG | 0.1 ms GTG |
| SDR Brightness | 350 nits | 450 nits |
| HDR Peak Brightness | 600 nits | 1000 nits |
| Contrast Ratio | 1:1,500 | 1:1,000,000 |
| Color Gamut | sRGB 100% · DCI-P3 97% | sRGB 133% · DCI-P3 98% · Adobe RGB 94% |
All specifications
| Specification | ASUS ROG Strix XG27JCG 2026 | ASUS ROG Swift PG42UQ 42" 2022 |
|---|---|---|
| Screen Size | 27" | 41.5" (Better) |
| Resolution | 5120×2880 (Better) | 3840×2160 |
| Pixel Density (PPI) | 218 (Better) | 106 |
| Optimal Viewing Distance | 40cm (Better) | 82cm |
| Panel Type | IPS | OLED |
| Viewing Angle | 178° | 178° |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 180 Hz (Better) | 138 Hz |
| Variable Refresh Rate (VRR) | FreeSync Premium Pro | G-SYNC Compatible |
| Response Time | 1 ms GTG | 0.1 ms GTG (Better) |
| HDR Certification | DisplayHDR 600 | None |
| SDR Brightness | 350 nits | 450 nits (Better) |
| HDR Peak Brightness | 600 nits | 1000 nits (Better) |
| Contrast Ratio | 1:1,500 | 1:1,000,000 (Better) |
| Ports | 2x HDMI · 1x DP · USB-C · USB Hub | 4x HDMI · 1x DP · USB Hub |
| Color Gamut | sRGB 100% · DCI-P3 97% | sRGB 133% · DCI-P3 98% · Adobe RGB 94% (Better) |
| Year | 2026 (Better) | 2022 |
Frequently Asked Questions
Which has better PPI: ASUS ROG Strix XG27JCG or ASUS ROG Swift PG42UQ 42"?
The ASUS ROG Strix XG27JCG has 218 PPI compared to 106 PPI for the ASUS ROG Swift PG42UQ 42".
Which has a closer optimal viewing distance?
The ASUS ROG Strix XG27JCG requires 40cm 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 Strix XG27JCG 2026 · 218 PPI · 27" · 180 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 Strix XG27JCG 2026 · 218 PPI · 27" · 180 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).
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