Uploaded August 2026 | Updated September 2026, 2 weeks ago

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➡️ Best Settings video: youtu.be/UNEwPBfWGB0
➡️ Unboxing (accessories etc.): youtube.com/shorts/fsJ6fBK-qVc
➡️ '4K' UHD Experience article: youtu.be/aCLGZCpi8b8
pcmonitors.info/articles/the-4k-uhd-3840-x-2160-experience
➡️ 'TrueBlack Glossy' vs 'QuantumBlack' video: youtu.be/aCLGZCpi8b8
➡️ Fringing article: pcmonitors.info/articles/qd-oled-and-woled-fringing-issues/#Improved_QD-OLED_and_WOLED_layouts
➡️ sRGB emulation article: pcmonitors.info/articles/taming-the-wide-gamut-using-srgb-emulation
➡️ Responsiveness article: pcmonitors.info/articles/factors-affecting-pc-monitor-responsiveness
➡️ Aperture Grille Smooth Frog: aperturegrille.com/software
➡️ VRR flickering test: forum.pcmonitors.info/topic/questions-regarding-brightness-flickering-under-vrr/#post-71288

ICC profiles are not used in the review and may not be optimal for all units, but one is included below if you wish to try it out.

➡️ ICC profile: pcmonitors.info/icc/ASUS%20PG27UCWM.icm

A review of the ASUS ROG Swift OLED PG27UCWM. A 240Hz '4K' UHD Tandem WOLED monitor with True RGB Stripe subpixels and 480Hz 'Frame Rate Boost' option for FHD (1080p). DP 2.1 (UHBR20), HDMI 2.1 and USB-C (90W PD) plus KVM capability also included. A unique and very interesting addition to the OLED market with some attractive performance attributes (and a few quirks).

As an Amazon Associate I earn from qualifying purchases made using the "Amazon links" above.

Introduction: 0:00
Features & Aesthetics: 01:48
Refresh Rates & Scaling: 05:35
'Frame Rate Boost' Scaling: 13:31
Subpixels & Calibration: 17:52
Contrast & Brightness: 22:15
Colour Reproduction: 26:13
HDR (High Dynamic Range): 37:33
Responsiveness (General): 58:24
Responsiveness (VRR): 01:06:02
Conclusion: 01:12:59