Under the label ZBOX PI336 pico, Zotac markets very compact desktop PCs that can easily fit in your pant pocket. However, the current model based on an Elkhart Lake SOC is not always convincing. Find out in this review with numerous benchmarks what the Zotac ZBOX PI336 pico with the Intel Celeron N6211 is able to do.https://www.notebookcheck.net/Zotac-ZBOX-PI336-pico-review-A-pocket-PC-with-Intel-Celeron-N6211-and-4-GB-of-RAM.636527.0.html
That gum on cooler's shoe, it doesn't work. Didn't conduct in your test.
You need to cover the SMALLER of the two dies with conductive pad, that's your Celeron.