LG UltraGear 27GR93U-B 144Hz 4K UHD with HDMI 2.1
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A 27″ 3840 x 2160 (‘4K’ UHD) resolution is supported on the IPS-type panel, complete with matte anti-glare screen surface. A 1000:1 static contrast ratio, 178°/178° viewing angles and 10-bit (8-bit + FRC) colour are specified. A 144Hz refresh rate is supported alongside Adaptive-Sync, including AMD FreeSync Premium and ‘G-SYNC Compatible’ (+HDMI 2.1 VRR) with 48 – 144Hz VRR range plus LFC. The monitor is factory calibrated with printed calibration report included, whilst hardware calibration using LG Calibration Studio and a compatible calibrator is also supported. A flicker-free WLED backlight provides a 400 cd/m² (500 cd/m² HDR peak) typical maximum luminance and 95% DCI-P3 colour gamut. The monitor responds in a basic way to HDR10 content, at the VESA DisplayHDR 400 level. This allows 10-bit colour processing to be used and the reasonably generous gamut can be put to good use. But brightness is quite limited by HDR standards and no local dimming is specified to enhance contrast.
A 1ms grey to grey response time is specified, which as usual you shouldn’t put much weight on. DAS (Dynamic Action Sync) also features, an integrated low input lag mode. The stand can be removed via quick-release to reveal 100 x 100mm VESA holes – the included stand provides tilt, height (110mm or 4.33 inches) adjustment and pivot into portrait. ‘Hexagon Lighting’ RGB lighting is found at the rear, providing a little ambience behind the monitor but not a strong pool of light. The ports mainly face backwards in a recessed area to the right of the stand attachment point and include; 2 USB 3.0 ports plus Type-B upstream, DP 1.4 (with DSC), 2 HDMI 2.1 ports and a DC power input (external ‘power brick’). A downwards-facing 4 pole 3.5mm headphone/microphone jack is also included beneath the bottom bezel, with support for DTS Headphone:X.
Further details can be found on the manufacturer’s website. The monitor is listed for ~$700 USD.
