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The New PS5 Has A Much Smaller Heatsink




  • In Business
  • 2021-08-29 23:30:00Z
  • By Kotaku
The new model PS5 compared to the old.
The new model PS5 compared to the old.  

When a new model of the PS5 was quietly released recently, people talked about a new screw, and how it might have better wi-fi. One thing that wasn't known until now is that the console's mini-refresh has a much smaller heatsink, and that a video filmed comparing it to the existing model shows it running at higher temperatures.

YouTuber Austin Evans got hold of one of these new consoles from Japan recently, and in tearing it apart found that when you open the things up it's pretty clear right away that the changes between models are more dramatic than a new screw.

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The first thing he found was, OK, that new screw used to attach the PS5 to its base is good. But it doesn't take long before he notices that while running the same game at the same time the new console's fans sound different than the launch model, suspecting this was down to a difference in cooling systems, which was sorta correct!

A thermal camera compares the external temperature of both consoles.
A thermal camera compares the external temperature of both consoles.  

Testing the console's temperature externally, he found that the newer model was consistently running at 3-5 degrees celcius hotter than than the original, that it was drawing a few more watts while in operation and was oh so slightly quieter, though those latter two values were by fairly insignificant margins.

It's opening the new PS5 up that we can really see where Sony has made changes between the launch model and this one, which is currently only on sale in Japan and Australia. This new console is around 300g lighter, and comes at a time when Sony announced earlier this month that the PS5 was "no longer selling at a loss", and it looks like both those things might be related when you take a look at their heatsinks.

That.
That.  

Look at that! The original model had a much larger heatsink, plus a large copper backing plate, while the new version has a lot less. That explains not just the higher running temperatures in Evans' video, but also the weight reduction as well.

To at least partially compensate for this, Sony has included a new fan design in the console, one that has much larger blades:

 

In response to his findings, a few people have questioned Evans' capture of external temperatures, to which he replied:

It's also important to note that this isn't a case of comparing two radically different consoles. Was this an all-new revision of the PS5, then it could be argued that a smaller heatsink could just be a result of new and improved chips and technology elsewhere in the console. But this isn't an all-new revision, almost everything else is the same PS5 as we've had since last year, only now with less cooling.

Now, some context: none of this is terrible news. Consoles are revised constantly throughout their lifespans, sometimes with major new models, other times with minor tweaks like this, and every single time this happens corners are cut, not just to keep costs down but also to adjust things based on months and years of findings. And a console running three degrees hotter doesn't mean it's going to suddenly melt into a puddle of white plastic on your entertainment unit.

But if these findings are consistent across games and for long periods of time, a temperature increase on a PlayStation console isn't something we should just shrug off, either. As they note in the video, this is something Sony have struggled with for years; I had two PS3 consoles overheat, and myPS4's heat + fan noise problems got so bad towards the end that I simply stopped playing the thing, so seeing Sony cutting corners on temperature control so early in the console's lifespan, when we haven't seen the real effects of longterm use yet, isn't great.

In the meantime, one of the other things people were wondering about with this revision was whether the console's shoddy wi-fi had been improved, and while Evans couldn't confirm this with a proper wi-fi test, he did note that the new PS5's wi-fi module did have different cabling and cable colours.

You can watch the full video below:

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