42 facts in comparison
ASUS ROG Swift OLED PG27UCDM vs ASUS ROG Strix OLED XG32UCWMG vs KOORUI S2741LM
Two OLEDs and one Mini-LED IPS, at three sizes and three refresh rates — a comparison where no single row settles it.
The 27-inch OLED is the sharpest per inch. The 32-inch OLED runs at the highest refresh rate in the group, via a dual-mode panel that trades resolution for speed. The IPS is the brightest and the cheapest, and the only one with no burn-in question at all. Decide which of those three sentences matters most.
Category strengths
- ASUS ROG Swift OLED PG27UCDM
- ASUS ROG Strix OLED XG32UCWMG
- KOORUI S2741LM
Spec wins (head-to-head)
- ASUS ROG Swift OLED PG27UCDM 2
- ASUS ROG Strix OLED XG32UCWMG 2
- KOORUI S2741LM 2
Why ASUS ROG Swift OLED PG27UCDM?
- Slightly wider DCI-P3 colour coverage ?99 % vs 98 %
- A slightly higher pixel density ?166 ppi vs 163 ppi
Why ASUS ROG Strix OLED XG32UCWMG?
- A bigger screen ?32" (81.28 cm) vs 27" (68.58 cm)
- A much higher refresh rate ?480 Hz vs 240 Hz
Why KOORUI S2741LM?
- Slightly higher peak brightness ?1,400 nits vs 1,300 nits
- Has local dimming ?
Key real-world differences
The spec sheet pulls in both directions. These are the gaps big enough to shape the decision — with the actual figures, and what each one means in real-world use.
- Refresh ratePicture240 Hz vs 480 Hz vs 160 Hz — 3× more for the ASUS ROG Strix OLED XG32UCWMG
Higher refresh rates are smoother for gaming and scrolling.
The step from 60 to 120 Hz is obvious; differences above 120 Hz are far subtler in everyday use.
- Local dimmingPictureNo vs No vs Yes — only the KOORUI S2741LM has it
Dims parts of the backlight independently to improve contrast.
Which one should you buy?
There is no single answer — it depends on what you will actually use it for. Match your priority to the pick below.
- Best for picture ASUS ROG Strix OLED XG32UCWMG takes the category 86 to 63 — driven by refresh rate (240 Hz vs 480 Hz vs 160 Hz).
- Best for features ASUS ROG Swift OLED PG27UCDM takes the category 100 to 0.
- The safe all-rounder ASUS ROG Strix OLED XG32UCWMG wins more of the categories that carry real weight, topping the overall VS Score at 88.
Where each one falls short
ASUS ROG Swift OLED PG27UCDM
- Local dimming: No vs No vs Yes
- Peak brightness: 1,000 nits vs 1,300 nits vs 1,400 nits
- Screen size: 27" (68.58 cm) vs 32" (81.28 cm) vs 27" (68.58 cm)
- 4 specs are unreported (shown as Unknown) and excluded from its scores.
ASUS ROG Strix OLED XG32UCWMG
- Pixel density: 166 ppi vs 140 ppi vs 163 ppi
- 13 specs are unreported (shown as Unknown) and excluded from its scores.
KOORUI S2741LM
- Refresh rate: 240 Hz vs 480 Hz vs 160 Hz
- 11 specs are unreported (shown as Unknown) and excluded from its scores.
What matters to you?
Drag the sliders to weight each category and re-rank the products to suit your priorities.
Score breakdown
Picture
Larger screens are more immersive; measured diagonally.
The total pixel count; higher is sharper.
The panel technology; OLED offers the best contrast.
The more specific panel or backlight technology (e.g. QD-OLED, WOLED or Mini-LED VA).
The native or supported bit depth used to reproduce colour gradients.
The display surface treatment and its balance of glare control and image clarity.
Higher refresh rates are smoother for gaming and scrolling.
Grey-to-grey response; lower reduces motion blur.
Higher brightness makes HDR highlights pop.
The ratio between the brightest and darkest output.
Wider colour gamut for more vivid, accurate colour.
Full sRGB coverage keeps everyday content and photos colour-accurate.
The certified HDR tier.
Pixels per inch; higher looks sharper.
Dims parts of the backlight independently to improve contrast.
More independently controlled zones can improve HDR precision.
Gaming
Variable-refresh technology for tear-free motion.
Syncs the refresh rate to the GPU.
Backlight strobing for clearer motion.
The delay between an input and the image changing; lower is better.
The minimum-to-maximum refresh range over which variable refresh rate operates.
Ergonomics & design
The width-to-height ratio (e.g. 16:9, 21:9).
The curve radius (e.g. 1000R); blank for a flat panel.
Raise and lower the panel.
Angle the panel up and down.
Rotate the panel left and right.
Rotate to portrait orientation.
The VESA wall / arm mount pattern (e.g. 100 x 100 mm).
Connectivity
More HDMI inputs connect more devices.
The highest HDMI standard supported by the monitor.
DisplayPort inputs, preferred for high refresh rates.
The highest DisplayPort standard supported by the monitor.
A USB-C input, often with power delivery for laptops.
Charges a connected laptop over USB-C.
Built-in USB ports for peripherals.
Integrated speakers.
A 3.5 mm audio output for headphones or external speakers.
Control two computers with one keyboard and mouse.
Features
A built-in camera for video calls.
A built-in microphone for calls.
A wired network port for USB-C docking.
Shows inputs from two computers side by side.
Specs last verified August 26, 2026ASUS ROG Swift OLED PG27UCDM: 38 of 42 specs verified (90%)ASUS ROG Strix OLED XG32UCWMG: 29 of 42 specs verified (69%)KOORUI S2741LM: 31 of 42 specs verified (74%)Unverified specs show as Unknown — never estimated, never scored
Where to buy
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What reviewers say
The bottom line
The ASUS ROG Strix OLED XG32UCWMG takes the top spot with a VS Score of 88, ahead of the ASUS ROG Swift OLED PG27UCDM (77) and the KOORUI S2741LM (56). The ASUS ROG Strix OLED XG32UCWMG stands out for Picture. The ASUS ROG Swift OLED PG27UCDM stands out for Features.
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