Particularly if you have a CPU hogging process - your UI can't remain buttery smooth interactive. Most laptops / desktops perform much better with at least two cores than one core. It also introduces extra layout complexity. What it does do is introduce extra cache contention, and likely smaller caches. Keep in mind, going from four cores to eight cores does not buy you any extra transistors - it's the same number of transistors. But when the human makes a decision, the computer needs to do its best to fulfill the task immediately (compositing windows, rendering a web page or 4K video effects, etc.)Īnd those processes and threads will run faster on a four core machine than an equivalent eight core machine.
For much of the time, it's sitting idle because the human in front of it is so slow. In contrast, a client is a "strength-oriented computer". One remote client can't be allowed to hobble the server. powerlifting.Ī server is an "endurance-oriented computer" - its power needs to be distributed evenly over multiple active sessions.
I think an interesting analogy could be made with physical training. Using '80s terminology, both those Apple computers would qualify as workstations, IMO. These are not server features because they're designed to provide explosive graphics power for a single user at a time. Very few people use them in that fashion.
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I certainly didn't downvote you, but I don't understand why you'd consider the iMac or Mac Pro as servers. And, for day-day interaction, the 5K Display of the iMac (human-computer interaction), beats out the MacPro. But, in terms of sheer throughput for bulk tasks (Video Rendering), you can get a higher top-line performance from the MacPro. In some benchmarks, the iMac meets, or exceeds the MacPro.
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I think the angst (which I have to some degree as well) about the distinction between Client vs Server, is because it's not completely clear how to position the Mac Pro and iMac. An iMac is also in the middle, but leans towards server. A MacBook Pro falls somewhat in the middle, but leans towards client. A macbook air is probably a client (though, ironically, it is far more powerful than the $10K servers I had in 1999). Heat, size, are not as relevant (but not irrelevant). A client is about mobility (small size), low power use (low heat, small battery), and very low latency, focus on human-computer interaction experience.Ī server has fewer power concerns, and is all about throughput. The difference between client and server can be a bit grey, but I agree, the distinctions are important.
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