ROG PG27UCDM vs XG27 9Q
The short answer
XG27 9Q wins this comparison with a score of 61/100, ahead of ROG PG27UCDM (59).
The main differences: Resolution (3840x2160 vs 2560x1440) · Max refresh rate (240 Hz vs 170 Hz) · Panel type (QD-OLED vs IPS).
Scores are computed from 3 public spec attributes; missing values stay marked unknown in tables and are imputed at the category median, never passed off as measured.
At a glance
0–100 per group, normalized within the category · Tap a group for details
| ROG PG27UCDM | XG27 9Q | |
|---|---|---|
| Display | 44 | 50 |
How to choose
Pick the ROG PG27UCDM if you care about…
- Max refresh rate 240 Hz +70 Hz vs 170 Hz
Best price now
Cheap alternatives
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Where they differ
3 · Only rows that actually differ, with a verdict per row
| ROG PG27UCDM | XG27 9Q | Where they differ | |
|---|---|---|---|
| Resolution | 3840x2160 | 2560x1440 | Depends |
| Max refresh rate | 240 Hz | 170 Hz | ROG PG27UCDM |
| Panel type | QD-OLED | IPS | Depends |
The record
Grouped and collapsible · Tap a group to fold
Display3▾
| ROG PG27UCDM | XG27 9Q | |
|---|---|---|
| Resolution | 3840x2160 | 2560x1440 |
| Max refresh rate | 240 Hz | 170 Hz |
| Panel type | QD-OLED | IPS |
Data sources: GSMArena
FAQ
Which is better, ROG PG27UCDM or XG27 9Q?
XG27 9Q edges ahead 61 to 59. Choose ROG PG27UCDM instead if Max refresh rate matters more to you.
What are the main differences?
The main differences: Resolution (3840x2160 vs 2560x1440) · Max refresh rate (240 Hz vs 170 Hz) · Panel type (QD-OLED vs IPS).
How are the scores calculated?
We normalize 3 public spec attributes within the category and weight them by group into a 0–100 score; missing values are inherited from spec-identical twins or imputed at the category median, so a sparse spec sheet never earns an advantage. The methodology is public.