"Overall though the external case of the PCG02 Pro N5105 is hotter than the PCG02 Pro J4125 in general use, and even at idle it can measure around 60°C compared to 35°C for the PCG02 Pro J4125, no doubt due to the need to thermally dissipate the higher CPU package temperature resulting from the higher frequencies when under load. The N5105 model uses a similar heat sink to the Quieter3C which comes into contact with the motherboard via a thermal pad at the point where the CPU is located on the underside, whereas the J4125 uses a heat sink that focuses more on dissipating the heat from any included M.2 drive."
Source: CNX Software
