Acer X27U X1bmiiphx
The QD-OLED panel delivers a 0.03ms response time and 240Hz refresh rate with 1000-nit peak HDR brightness for exceptional motion clarity and contrast. Its 99% DCI-P3 coverage and Delta E<2 color accuracy make it a viable dual-purpose display for color-critical work alongside gaming. This monitor is best for competitive gamers who also edit photos or video and refuse to compromise on per-pixel OLED dimming.
Screen 26.5"
Resolution 2560 x 1440
Panel QD-OLED
Refresh 240 Hz
response time ms 0.029999999329447746
adaptive sync FreeSync Premium Pro
HDR HDR10
78 Overall Score
Price £683
Snapshot
Pros & Cons
Pros
- Strong color (99th percentile) 99th
- Strong performance (98th percentile) 98th
- Strong ergonomic (92nd percentile) 92nd
- Strong display (79th percentile) 79th
Cons
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has cooled since launch
75/100Our AI sentiment read
Based on 25 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 26.5" |
| Resolution | 2560x1440 (QHD) |
| Panel Type | QD-OLED |
| Aspect Ratio | 16:9 |
| Curved | No |
Performance
| Refresh Rate | 240 Hz |
| Response Time | 0.03 |
| Adaptive Sync | FreeSync Premium Pro |
Color & HDR
| Brightness | 1000 nits |
| Color Gamut | 99% DCI-P3 |
| Color Depth | 10-bit |
| HDR | HDR10 |
| HDR Support | HDR10 |
Connectivity
| HDMI Ports | 2 |
| DisplayPort | 1 |
| USB-C | 0 |
| Speakers | Yes |
| Headphone Jack | Yes |
Ergonomics
| Height Adjustable | Yes |
| Tilt | Yes |
| Swivel | Yes |
| Pivot | Yes |
| VESA Mount | 75x75 |
Features
| Webcam | No |
| Touchscreen | No |
| PIP/PBP | No |
| Power | 35 |
| Weight | 9.8 kg / 21.5 lbs |
vs Competition
| Spec | Acer X27U X1bmiiphx | LG UltraGear 45GX950A-B | ASUS ROG Swift PG27UCDM | MSI MAG 271QPX QD-OLED E2 | Samsung Odyssey G60SD | Gigabyte M Series OLED MO27U2 SA |
|---|---|---|---|---|---|---|
| Screen Size | 26.5 | 44.5 | 27 | 27 | 27 | 27 |
| Resolution | 2560 x 1440 | 5120 x 2160 | 3840 x 2160 | 2560 x 1440 | 2560 x 1440 | 3840 x 2160 |
| Panel Type | QD-OLED | OLED | QD-OLED | QD-OLED | QD-OLED | OLED |
| Refresh Rate | 240 | 165 | 240 | 240 | 360 | 240 |
| Response Time Ms | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 | 0.029999999329447746 |
| Adaptive Sync | FreeSync Premium Pro | FreeSync Premium Pro | G-Sync | FreeSync Premium Pro | FreeSync Premium Pro | FreeSync Premium Pro |
| Hdr | HDR10 | DisplayHDR True Black 400 | HDR10 | DisplayHDR True Black 400 | HDR10+ | DisplayHDR 400 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Color | Portability | Display | Feature | User Sentiment | Performance | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|
| Acer X27U X1bmiiphx | 99.4 | 50 | 78.5 | 74.2 | 38.6 | 98.4 | 71.7 | 72.3 |
| LG UltraGear 45GX950A-B Compare | 99.5 | 79.6 | 99.8 | 97.4 | 74.7 | 97 | 97.5 | 95.5 |
| ASUS ROG Swift PG27UCDM Compare | 97.3 | 63.6 | 97.9 | 87.5 | 74.7 | 98.4 | 84.9 | 99.9 |
| MSI MAG 271QPX QD-OLED E2 Compare | 99.2 | 63.6 | 79.3 | 87.5 | 95.8 | 98.4 | 84.9 | 99.4 |
| Samsung Odyssey G60SD Compare | 92.4 | 46.7 | 79.3 | 74.2 | 95.8 | 99.7 | 89.9 | 95.5 |
| Gigabyte M Series OLED MO27U2 SA Compare | 87.4 | 63.6 | 97.9 | 87.5 | 92.9 | 98.4 | 84.9 | 71.3 |
Price
Value & Pricing
From £683
Amazon.co.uk 2 offers From £683
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
