Yeah I’m confused, my SteamDeck seems to do fine at 720-900p depending on what I’m playing, but any higher resolution and it’s going to tank pretty hard.
I don't get the obsession with high res screens for portables. The dpi is already so high that you can't really see a difference, plus you're gonna be taking a pretty significant hit to performance and battery.
The DeckHD is definitely a much nicer screen than stock. The improvement visually feels like going from a Nintendo switch LCD to OLED. But it was a bit involved to install (more comparable to cell phone repair than laptop/pc, think multiple layers built around a frame with heavy use of glue). I haven’t seen a Steam Deck OLED in person but it seems to be as good as DeckHD’s LCD offering. I primarily use Win 11 so the extra pixels were more useful for desktop use than for gaming and/or may be more or less useful in SteamOS, but I haven’t felt any performance hit that some reviewers have mentioned.