[IreneE]

I thought the new Thinkpad’s processor speed was only 1.2ghz. Am I wrong?

[rivercat]

Thinkpad X300 has a 2Ghz processor, so it’s faster than an MBA.

X300 is lighter! 2.5 lbs vs 3.0 lbs

X300 has better screen resolution.
You can add memory to the X300, not to the MBA.
You can swap out the battery, not on an MBA.
X300 has all the usual ports, then MBA does not.
X300’s battery life is longer than the MBA’s.
Both fit in an envelope though.