to start with the most basic thermal testing we did and then we'll expand on the methodology as we get through this piece here's our initial list of devices and tests we ran first we ran the digital foundry playstation NUMBER_TOKEN that has the new cooler on it that's the NUMBER_TOKENx model we wired six thermocouples to that and we ran one for ambient that's four on memory there's one on a vrm mosfet and then we've got one for the soc plus ambient next we retested the old gn playstation NUMBER_TOKEN from NUMBER_TOKEN we validated that the results remained about the same we then wired and tested a digital psNUMBER_TOKEN with the old style cooler and a new psNUMBER_TOKEN with the old style cooler as well the thermocouple probes are placed right against the case for each component tested except for the soc which is via the back side of the board and we place them at the same spot against each memory module as best we can with the caveat that there's always going to be some amount of technician error because humans are imprecise even if you try to measure it out as accurately as possible we calibrated the soc thermocouples against the over temperature warning that pops up when you disconnect the fan and it reaches a high temperature so that helps us determine a delta from thermocouple to thermocouple on the two different devices that would be derived from technician variants rather than device variants all of that data was collected prior to disassembly down past the cooler so liquid metal was undisturbed for all of these then it got more complicated and we did this set of tests that's on the screen this list took about NUMBER_TOKEN hours of benchmarking per day for maybe three days especially because we were doing multiple test passes for averaging purposes and to make sure there weren't any outliers many of these will end up as a separate video but we can use most of them for this one ultimately we had to implement even more controls to be satisfied with the data but we'll talk about that after the first set of charts that's more stock onto the first chart all four tested memory modules were within a maximum range of four degrees celsius of each other the far right module in our top orientation had the most variance with an NUMBER_TOKEN degree celsius measurement on the new cooler and NUMBER_TOKEN on the old one this is across the two different pcbs mind you so it's two physically different consoles at this point we haven't merged them yet they're about as stock and out of box boxes they can be thermocouple positioning precision remains a variable until we merge the pcbs and heatsinks so this is close to what we'd call reasonable variance for these components given that variable we're not seeing decision changing differences between any of these results yet but the four degree gap on memNUMBER_TOKEN top begins to exit error and is what we would call a measurable difference now even with variance we do see one strong trend all four modules measured consistently saw benefit on the newer NUMBER_TOKEN cooler in the NUMBER_TOKENx series we'll talk about the reasons why a little bit later vrm mosfet thermals were uninteresting for now but they'll become a key point of interest in the next test so keep an eye out as for soc thermals those are starred here and that's because the back of the socket measurement is the most difficult
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