NVIDIA has been talking about the G-SYNC HDR technology for more than a year now. But now, they are finally ready to deliver the promise with actual G-SYNC HDR monitors! So here is a refresher’s course on NVIDIA G-SYNC HDR!
NVIDIA G-SYNC HDR Explained
NVIDIA G-SYNC HDR adds HDR (High Dynamic Range) capability to G-SYNC, which is a variable refresh rate technology that delivers smooth, tear-free gaming experience, when used with an NVIDIA GeForce graphics card.
NVIDIA G-SYNC HDR displays will have greatly increased brightness, with the ability to express deep saturated colours at a high brightness level. They will have the ability to produce at least 1000 nits of peak brightness, with support for the HDR10 format.
NVIDIA G-SYNC HDR displays will have a full array direct backlight, with at least 384 local dimming zones. This allows them to product contrast ratios of over 10,000:1. Traditional LCD panels with a global dimming backlight, in contrast, can only deliver contrast ratios of 1000:1 to 2000:1.[adrotate group=”2″]
Wider Colour Gamut
The traditional sRGB colour space covers only about 35% of the colours the human eye can perceive. Hence, NVIDIA G-SYNC HDR displays will support the DCI-P3 colour space that offers 26% greater coverage of the visual spectrum than sRGB.
High Refresh Rate
NVIDIA G-SYNC HDR displays will support a high refresh rate using DisplayPort 1.4 with the High.Bit Rate 3 (HBR3) link. They will have the ability to display 4K at 144 Hz, instead of the usual 60 Hz for traditional 4K monitors.
The First G-SYNC HDR Displays
At the NVIDIA Computex 2018 press conference, and the follow-up GeForce tech briefing, NVIDIA showed off the first two G-SYNC HDR displays. They are both 27″ displays with what appears to be the same panel and key specifications. They both have a full array direct backlight, with 384 local dimming zones.
Acer Predator X27
The Acer Predator X27 (Price Check) is a 27″ 4K HDR display with a 144 Hz IPS panel, with a GTG (grey-to-grey) response time of 4 ms. It has a launch price of US$ 1,999.
ASUS ROG Swift PG27UQ
The ASUS ROG Swift PG27UQ is a very similar 27″ 4K HDR display with a 144 Hz IPS panel, with a GTG (grey-to-grey) response time of 4 ms. It has a 1000 nits peak brightness level, and a HDR contrast ratio of up to 50,000:1.
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