HDR and OLED are completely different categories of technology. One helps the other exist but that is the extent of their relation. HDR is a range of specifications meant for video playback, rendering, and display certification. What we now call HDR generally requires the display to be able to parse 10-bit depth data and to meet certain minimum brightness and contrast specifications amongst other things.
OLED, like LCD, Plasma, CRT, ect is JUST a panel technology. It IS a panel technology that's reasonably well suited to HDR (It is generally quite bright with high contrast ratios), but not exclusive, and there's are huge swaths of OLED panels on the market that are not HDR compatible.
I've found many cheaper HDR displays on the market achieve the high contrast ratio by reducing their default/centre brightness, I'm assuming this is why you think OLEDs are "Dark and contrasty", despite modern OLEDs being some of the brightest displays on the market(Hence why Samsung has long held the crown for the brightest smartphone screens).
4K 144Hz shouldn't be hard to achieve with many games, just not the latest and greatest. I remembering pushing 2880x1800@100Hz (Old engineering grade Trinitron I unfortunately had to part with) with a HD7870XT in a fair few games of the time.
OLED, like LCD, Plasma, CRT, ect is JUST a panel technology. It IS a panel technology that's reasonably well suited to HDR (It is generally quite bright with high contrast ratios), but not exclusive, and there's are huge swaths of OLED panels on the market that are not HDR compatible.
I've found many cheaper HDR displays on the market achieve the high contrast ratio by reducing their default/centre brightness, I'm assuming this is why you think OLEDs are "Dark and contrasty", despite modern OLEDs being some of the brightest displays on the market(Hence why Samsung has long held the crown for the brightest smartphone screens).
4K 144Hz shouldn't be hard to achieve with many games, just not the latest and greatest. I remembering pushing 2880x1800@100Hz (Old engineering grade Trinitron I unfortunately had to part with) with a HD7870XT in a fair few games of the time.
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