Re: No issues here
happily running 10.13.4 on a mid-2011 iMac (6 years old! Still perfectly useable! can't get my head around that...)
Moore's law is at least in a coma, if it is still alive (at least in the manner in which it is usually interpreted). I have not been keeping up with transistor counts, but the days of a reasonably current PC being worthless a year or two after it is purchased (by means of obsolescence) are well behind at this point.
I'm reading/writing this from a desktop PC whose motherboard also dates from 2011 (Sandy Bridge/Cougar Point). I have no plans for upgrade at present, and if I did, it wouldn't be about the actual performance of the CPU/RAM/PCH themselves, but about the desire for things like USB 3.1 or a M.2 slot without having to worry about addon cards. I use a single discrete GPU that doesn't even come close to saturating the PCIE bandwidth I have now, and I don't predict that changing anytime soon either.
My main laptop (which sees about as much daily use as the desktop) was manufactured in 2008, and originally came with Vista preinstalled. The desktop, being originally shipped as parts, didn't originally come with any OS.
Both machines are perfectly usable right now, despite their age. Both are dual-boot setups with Linux Mint 18.3 Cinnamon and Windows 8.1, 64-bit all around.
Now, if your comment was about the fact that a machine that old is able to run the newest version of the OS... well, I am running the newest release of Linux Mint, which is where I spend most of my time, and as for Windows... the reason my machines remain perfectly usable is that they lack Windows 10, which is perfectly worthless.
For the record, I did try 10 on both of these machines, and it worked about as well as 10 could be expected to run... no bluescreens, performance issues, or glitches occurred. The problems I had (and have) with Windows 10 are the things it does on purpose.
For the first time since I bought the laptop in 2008, I bought a new PC in the last two weeks of 2017. Came with 10, now running Mint like its stablemates. Despite being over nine years newer, it's far slower than the 2008 laptop in CPU speed, GPU speed, disk speed, and the amount of RAM. The screen resolution on the newer laptop is lower, and it lacks the swappable battery and the touchpad with discrete buttons (which I prefer to multitouch any day).
What the new one does have as a definitive advantage is that the built-in battery lasts all day, while the ten year old laptop manages to exhaust its swappable battery in well under three hours of light use. Sure, I can swap the battery (and I have several, so I can), but by the time I get done hauling the laptop itself (which is not really all that thin and light in the first place) and lots of batteries, I'm too tired to use the laptop anyway.
It still amazes me that my newest PC is also my slowest. Even though it is definitely low-end and neither of my main machines were low-end in their day, just the fact that a ten year old machine has any relevance at all is something quite remarkable to anyone who remembers the frenetic rate of improvement of PC hardware through the 90s.