Testing & Results
With a 25.5°C ambient temperature, I went about testing the Lenovo with and without the NotePal X-Slim. To monitor the temperatures I used Core Temp 0.99.7. To stress test I used Prime95 in "blend" mode for the first pass of tests. While I could leave the test to run longer, I find the twenty minutes or so it takes to get through the first seven tests is plenty of time to heat things up.
The idle or "low" temperature is obtained after turning the laptop off and rebooting, waiting ten minutes, and then I open Core Temp. I allow it to sit for just a couple minutes more to settle out at the lowest temperature. I then commence testing with Prime95 and once the first set of testing is complete, I took a screen capture to show my results.
In the low column you can see without the X-Slim, the Lenovo idled at thirty-five degrees and with Prime95 kicked in temperatures rose right on up to seventy-four degrees under the loaded conditions. I know this seems warm, but it is typical and what I expect to see out of this laptop.
This is what I did not expect to see! Most of these laptop coolers don't really make any difference on the idle temperatures of the Lenovo, but the X-slim dropped temps to thirty degrees at idle! That five degree drop is felt right on up to the abusive end that Prime95 delivers - the highest temperature I could reach with the X-Slim's 160mm fan spinning away with very little noise as the air makes some noise passing through the mesh.
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