A common configuration for consumer buyers of Mac laptops is to pair them with a large external monitor for home use. Through High Sierra, a consumer could get beautifully sharp text by spending ~$500 for a 4k 27" display (163 ppi). Beginning with Mojave, however, Apple eliminated something called subpixel text rendering*. Effectively, this means that getting optimally sharp text with MacOS now requires a Retina monitor. Some also dislike non-Retina screens because of the UI size.
The problem is that Apple doesn't offer a single consumer-priced Retina external display, i.e. something priced for the type of buyer who spends ~ $1000- $2000 for a laptop (which is probably the largest segment of Apple's Mac market). Thus any consumer who buys a Mac laptop and wants to able to use it with an external monitor and have an optimal MacOS experience, can't, unless they move up to prosumer pricing (the $1,600+ Studio Display).
In sum, given that Apple has changed MacOS to effectively require Retina displays for optimum performance, they should offer some Retina externals for their largest market, which is consumer-class buyers.
This would also help them attract Windows switchers: Right now a big plus of Windows is that a 27" that looks great with text is within much easier reach than it is with MacOS—$500 for a 27" 4k does it with Windows, while with MacOS you need a $1600 27" 5k. Those willing to switch of course would accept paying more for Apple products, but not >3x as much to get about the same effective text sharpness. [Windows still has subpixel text rendering, and also has vectorized scaling, which allows UI size to be adjusted to non-integer ratios without losing sharpness like MacOS does.]
So what should be the pricing of these displays? Honestly, I'm not exactly sure. But as a first effort:
The 2020 27" iMac's base price was $1800, so if half of that was for the display and half for the computer, I'd say $900 for the 27". Then, proportionally by area, we have:
24" = $700 (consistently, this is also half the $1300 starting price of the 24" iMac, rounded up to the nearest $100)
27" = $900
32" = $1,300
And make the stock stand height-adjustable.
I've included the 32" for higher-end consumers who need a larger screen and can't afford, and don't need, a $5,000+ Pro Display XDR. And display analyst Ross Young observed the market is moving towards larger (above 27") displays.
*Beginning with Mojave, Apple eliminated subpixel text rendering from MacOS. Subpixel rendering significantly increases the effective pixel density in the horizontal direction by using the vertical R/G/B subpixels to more finely render text. With subpixel rendering, MacOS could look really crisp with a $500 27" 4k monitor (163 ppi). By eliminating this with Mojave, Apple effectively changed MacOS to require a Retina monitor for optimum viewing. There are probably a couple of reasons Apple eliminated it: (1) It requires knowledge of the display's pixel substructure; and (2) With the way MacOS does scaling, it creates artifacts with anything other than integer scaling. Having said that, it did seem to work pretty much without issue through High Sierra.
The problem is that Apple doesn't offer a single consumer-priced Retina external display, i.e. something priced for the type of buyer who spends ~ $1000- $2000 for a laptop (which is probably the largest segment of Apple's Mac market). Thus any consumer who buys a Mac laptop and wants to able to use it with an external monitor and have an optimal MacOS experience, can't, unless they move up to prosumer pricing (the $1,600+ Studio Display).
In sum, given that Apple has changed MacOS to effectively require Retina displays for optimum performance, they should offer some Retina externals for their largest market, which is consumer-class buyers.
This would also help them attract Windows switchers: Right now a big plus of Windows is that a 27" that looks great with text is within much easier reach than it is with MacOS—$500 for a 27" 4k does it with Windows, while with MacOS you need a $1600 27" 5k. Those willing to switch of course would accept paying more for Apple products, but not >3x as much to get about the same effective text sharpness. [Windows still has subpixel text rendering, and also has vectorized scaling, which allows UI size to be adjusted to non-integer ratios without losing sharpness like MacOS does.]
So what should be the pricing of these displays? Honestly, I'm not exactly sure. But as a first effort:
The 2020 27" iMac's base price was $1800, so if half of that was for the display and half for the computer, I'd say $900 for the 27". Then, proportionally by area, we have:
24" = $700 (consistently, this is also half the $1300 starting price of the 24" iMac, rounded up to the nearest $100)
27" = $900
32" = $1,300
And make the stock stand height-adjustable.
I've included the 32" for higher-end consumers who need a larger screen and can't afford, and don't need, a $5,000+ Pro Display XDR. And display analyst Ross Young observed the market is moving towards larger (above 27") displays.
*Beginning with Mojave, Apple eliminated subpixel text rendering from MacOS. Subpixel rendering significantly increases the effective pixel density in the horizontal direction by using the vertical R/G/B subpixels to more finely render text. With subpixel rendering, MacOS could look really crisp with a $500 27" 4k monitor (163 ppi). By eliminating this with Mojave, Apple effectively changed MacOS to require a Retina monitor for optimum viewing. There are probably a couple of reasons Apple eliminated it: (1) It requires knowledge of the display's pixel substructure; and (2) With the way MacOS does scaling, it creates artifacts with anything other than integer scaling. Having said that, it did seem to work pretty much without issue through High Sierra.
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