[Doubleslash]

X1 is a nice laptop. The problem is it's weak CPU. Apple manages to crunch a whole different tier of CPU (h(q) series vs. U series for Lenovo) in the same form factor.

[MatekCopatek]

The 13" MBP that is most comparable to the X1 Carbon also uses U series, while the 15" MBP is best compared to the X1 Extreme, which, you guessed it, offers the better H series CPUs.

Same for Dell XPS 13 vs 15.

[Aperocky]

You can’t have your pie and eat it, in exchange for battery life having U is completely understandable. Depend on your workload (mostly just a ssh frontend), even Y is acceptable.

[tasuki]

I'm a big fan of the U series cpus: They consume very little energy, which leads to less overheating, less fan noise, and longer battery life.

(Conversely, the H series cpus consume a lot of energy: the laptop overheats quickly and has to slow down anyway.)

[arvinsim]

Now it makes sense why may 2018 MBP always gets hot while my previous 2015 only rarely does.

[remotedeveloper]

Thanks to constant throttling. Which makes an i7 feel like barely an i3. (i7-7660U in an XPS 13, at least)

[zepearl]

I cannot understand this statement - if I need a (relatively) thin laptop my primary focus won't definitely be the number-crunching feature (more something like weight, connectivity, panel colors, input devices, etc...).