The MacBook Air was not really a "high performance" machine to start with though - you can't compare that with a ThinkPad :)
And it was seldomly updated, so you could get very aged specs.
If you bought a MacBook 2011/2012 you would typically get an HDD and between 4 and 8GB RAM. Software requirements/demands sky-rocketed shortly after that. On a non-Air you could at least upgrade this yourself, which gave the machine new life ("just like new")
it did have a 128gb ssd. The thinkpad was also an x1 carbon (also 4gb of ram), so it had a similar form factor, not sure about cpu specs, I probably should have mentioned that.
And it was seldomly updated, so you could get very aged specs.
If you bought a MacBook 2011/2012 you would typically get an HDD and between 4 and 8GB RAM. Software requirements/demands sky-rocketed shortly after that. On a non-Air you could at least upgrade this yourself, which gave the machine new life ("just like new")