Compare · Updated 18 Oct 2026
ASUS ROG Swift OLED PG32UCDM vs LG UltraGear 27GX790B
Get the ASUS PG32UCDM. Unless you play fast competitive shooters on a PC — then the LG's 540Hz is the smoother choice.
ASUS ROG Swift OLED PG32UCDM
A 32-inch 4K OLED with inky blacks, vivid colour and 240Hz. Superb for games, films and work.
LG UltraGear 27GX790B
A 27-inch OLED at 540Hz, or 720Hz at 720p. The smoothest, sharpest motion for competitive gaming.
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The short answer
Both are OLEDs with deep blacks at about the same price. The ASUS is bigger and 4K, so games, films and text look sharper and consoles run at full resolution; the LG is the one for fast competitive games, with far smoother motion and a matte screen.
Get the ASUS PG32UCDM if
- —You want the best picture for games and films.
- —You play on a PS5 or Xbox.
- —You also work on it and want sharp text.
Get the LG 27GX790B if
- —You play fast shooters or esports on a PC.
- —Your graphics card can push very high frame rates.
- —You want OLED blacks without a glossy screen.
Key differences
Screen
32-inch 4K
ASUS PG32UCDM
27-inch 1440p
LG 27GX790B
Refresh rate
240Hz
ASUS PG32UCDM
540Hz, or 720Hz at 720p
LG 27GX790B
Consoles
HDMI 2.1 at 4K
ASUS PG32UCDM
Scales 4K down to 1440p
LG 27GX790B
Reflections
Glossy, shows reflections
ASUS PG32UCDM
Matte, handles them well
LG 27GX790B
USB-C
90W charging and a KVM switch
ASUS PG32UCDM
5W, won't charge a laptop
LG 27GX790B
Pros and cons
ASUS ROG Swift OLED PG32UCDM
- +4K OLED: deep blacks and vivid colour
- +240Hz with near-instant response
- +USB-C with 90W charging and a KVM switch
- −Some flicker when the frame rate jumps around with VRR on (RTINGS).
- −The glossy screen shows reflections and fingerprints.
- −No DisplayPort 2.1; the newer Gen3 adds it.
LG UltraGear 27GX790B
- +540Hz at 1440p, 720Hz at 720p
- +Very sharp motion at any speed
- +Matte OLED that handles reflections well
- −Some fringing around text, common on this panel type (RTINGS).
- −The USB-C port only gives 5W, so it won't charge a laptop.
- −VRR flicker when the frame rate swings.
Ready to choose?
- Is the ASUS PG32UCDM worth it?
- Is the LG 27GX790B worth it?
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- Best monitors
How we reached this verdict
Updated 18 Oct 2026How we decide