but this particular Viewsonic display doesn't seem to offer anything over the Apple 27" (no OLED, no micro-led, no high refresh rate). OTOH instead of Aluminum and glass it offers plastic and more plastic.
I don't think there's any doubt that the overall "fit and finish" of the Studio Display is nicer, or that it's glass screen and glossy-but-anti-reflective coating is excellent
but it costs twice as much as the Viewsonic (if you include the adjustable stand) and
still doesn't offer additional video inputs or aftermarket VESA.
The SD a particularly poor deal if you want a dual display system - even if you want a speaker and webcam you don't want
two speakers and webams... also, it's the second display where an extra DP/HDMI/whatever input makes the most sense (I have dual 4k displays onmy studio and it's often useful to plug a different system into the second display).
There don't seem to be any 5k3k panels with OLED or HFR out there yet... and there are probably reasons for that. Like, the demand would be tiny, because it's only really Mac users that want 5k3k, only a few of the newest Mac models have TB5 which is more-or-less needed for HFR at 5k3k or greater. Plus the big demand for higher frame rates is from
gamers - and just because your display can do 5k3k @ 120Hz doesn't mean that your GPU can actually run
Doom Fortress Of Ops Duty XVIII at that speed and resolution. Otherwise, that's a lot of extra processing, bandwidth and cost - even compared to 4k at 120Hz - to throw at just making window dragging a bit more silky smooth.
Is it good enough for a Zoom call?
I've got a logitech C920 and it's more than good enough for Zoom - both as webcam and microphone. It plugs into one of the downstream USB 2 ports on my 3rd party 4k display and Just Works in Zoom, Teams and Discord.
Plus, the display bezel where it clips is so thin that it obscures a bit of the menu bar, so I get to enjoy the wonderful MacBook "notch" experience even with my Mac Studio... Magical!!!
Seriously - display makers could perhaps think about putting a webcam mount on their screens... but a bit of foam padding solves the problem and - guess what - the "notch" effect has never been an issue. Also, I'm not sure that the top of a large desktop display
is the best place for a webcam...
Again, the ASD display speakers are probably good enough if you just want to be able to put a zoom call on speaker or watch a short YouTube video.
Heck, the built-in speaker in a Mac Studio (and probably the mini) is good enough for that - we're talking 1970s transistor radio quality here, but it can produce perfectly legible voices. It's probably clearer than the (rubbish) speakers in my 3rd party 4k display - but even those would get the job done for speech & system beeps and bloops.
Haven't heard the SD speakers, but I assume that they're comparable to the old iMac speakers - which thrashed anything else I've heard built into a display... but didn't hold a candle to even a pair of bargain-bucket Behringer monitor speakers. So the SD speakers are kinda in a niche between "good enough for Zoom" and "good enough for serious listening/audio work" - which is fine if that hits your sweet spot, but the reality is that the price difference between the SD and most 3rd party alternatives will buy you a good quality 1080p webcam and a pretty nice pair of studio monitor speakers & audio interface.