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The tests were performed in a controlled air conditioned room with temperatures maintained at a constant 24c – a comfortable environment for the majority of people reading this.
Idle temperatures were measured after sitting at the desktop for 30 minutes. Load measurements were acquired by running Furmark and Cinebench together. Room ambient temperatures were 23c.
We measured results with CPUID Hardware Monitor software. The CPU was loaded with Cinebench in a loop and Furmark stress test.
The X220 with Core i7 2620M can get quite toasty inside. The CPU regularly runs at over 80c, peaking at 90c under synthetic stress conditions. Not an ideal peak setting long term. It never crashed however which is reassuring.
We attached 5 diodes to the rear of the machine and measured temperatures after loading the machine for 90 minutes.
The rear of the machine gets rather hot and uncomfortable after loading it for so long. We had a problem keeping the X220 on our lap until it had cooled down for 10 minutes. When we reviewed the ThinkPad X1 last year, we noticed that the optional battery slice also acted as a heat ‘block' underneath so it may be advisable to think about this option when considering a purchase.
