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Acer Predator XB273U vs ASUS ROG Strix XG27AQ: Comparison
Acer Predator XB273U and ASUS ROG Strix XG27AQ separate most on refresh rate: Acer Predator XB273U at 165 Hz, ASUS ROG Strix XG27AQ at 170 Hz, 3% in favour of ASUS ROG Strix XG27AQ. Max Refresh Rate splits them by another 3%, again favouring ASUS ROG Strix XG27AQ. They match on 20 other specifications, including panel type, screen size and resolution.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Panel Type | IPS | IPS |
| Brand | Acer | ASUS |
| Model Number | XB273U GS | XG27AQ |
| Screen Size | 27 in | 27 in |
| Resolution | 2560 x 1440 (QHD) | 2560 x 1440 (QHD) |
| Panel Technology | IPS | IPS |
| Aspect Ratio | 16:9 | 16:9 |
| Refresh Rate | 165 Hz-3% | 170 Hz |
| Response Time | 1 ms | 1 ms |
| Adaptive Sync | NVIDIA G-Sync Compatible | Adaptive-Sync, NVIDIA G-Sync Compatible |
| HDR Support | Yes | Yes |
| Curved | No | No |
| Native Resolution | 2560x1440 | 2560x1440 |
| Screen Curvature | Flat | Flat |
| Max Refresh Rate | 165 Hz-3% | 170 Hz |
| Response Time GtG | 1 ms | 1 ms |
| VRR Standard | G-Sync Compatible | G-Sync Compatible |
| HDR Certification | DisplayHDR 400 | DisplayHDR 400 |
| SDR Brightness | 400 nits | 400 nits |
| Native Contrast Ratio | 1000:1 | 1000:1 |
| DCI-P3 Coverage | 95 % | 95 % |
| Height Adjustment Range | 115 mm | 100 mm |
| Pivot To Portrait | Yes | Yes |
| VESA Mount Pattern | 100x100 | 100x100 |
| Built-in Speakers | Yes | Yes |
| Series | Predator XB273U | ROG Strix XG27AQ |
| Color Gamut | 95% DCI-P3 | 130% sRGB, 95% DCI-P3 |
| HDR Formats | HDR10 | HDR10 |
| Source URL | https://www.acer.com/gb-en/predator/monitors/xb3/pdp/UM.HX0EE.S05 | https://rog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27aq-model/spec/ |
Verdict
Acer Predator XB273U
8.1 / 10 Expert Rating
A solid, no-surprises 27-inch QHD gaming monitor that competes well against the segment's established favorites.
ASUS ROG Strix XG27AQ
8.2 / 10 Expert Rating
A well-built mid-tier QHD gaming monitor that improves on budget IPS panels without reaching OLED pricing or performance.




