Lenovo ThinkPad X1 Review (with battery slice 39+)

We measure from a distance of around 1 meter from the chassis and 4 foot from the ground with our Extech digital sound level meter to mirror a real world situation.

KitGuru noise guide
10dBA – Normal Breathing/Rustling Leaves
20-25dBA – Whisper
30dBA – High Quality Computer fan
40dBA – A Bubbling Brook, or a Refrigerator
50dBA – Normal Conversation
60dBA – Laughter
70dBA – Vacuum Cleaner or Hairdryer
80dBA – City Traffic or a Garbage Disposal
90dBA – Motorcycle or Lawnmower
100dBA – MP3 player at maximum output
110dBA – Orchestra
120dBA – Front row rock concert/Jet Engine
130dBA – Threshold of Pain
140dBA – Military Jet take off/Gunshot (close range)
160dBA – Instant Perforation of eardrum

Generally the machine is inaudible, even when watching high definition movie content on the hard drive. When pushed hard however, such as when looping Cinebench R11.5 at 100% processor load, the fan kicks in hard and a constant stream of warm air is forced out the side of the machine. We would imagine the Core i7 version of the machine to be even louder.

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