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Hey everyone, Rich here, and I bring news of almost galactic importance. Yes, thanks to my friendly neighbourhood scalper, I do indeed have a CFI-1100 series PlayStation 5 to hand. I'll need a couple of days to finish up my current project, so I thought I'd ask what you'd want to see from a review. I will see about getting the necessary thermal probes for internal temperature testing but fundamentally we are looking at a cooling assembly with lower grade materials and less mass - it's a cost reduction measure, obviously. We should expect higher temperatures as a result but I do not expect it to have any meaningful impact to the overall quality of the experience you'll get from the device. 

Why? The Austin Evans video showed no appreciable change to acoustics (it was quieter if anything) and to understand why Sony was comfortable in making the changes we need to consider that first models of a console are typically conservatively built, with limited telemetry available on how first-run silicon and the cooling assembly will interact. Better to invest heavily in the cooler rather than risk defective consoles, then regroup later and look at a product refresh. With CFI-1100, Sony can go into the holiday season with a significant cost saving and ease up on one requirement for building the machines - so potentially more of them will get out there.

As for this initially conservative approach to cooler design, the classic case in point here is the OG Xbox One which had a massively over-engineered cooler - likely a 'nuke it from orbit' strategy to avoid any kind of repeat of the Red Ring scenario on Xbox 360. And you'll note that it was so over-engineered, that Microsoft went back to the design and increased both CPU and GPU clocks to take advantage of the headroom they had. So my current working theory is simply that Sony had much more information to work from owing to the millions of consoles out there and tapped into the available headroom. I have asked Sony to comment on the changes to the heat sink design, so it will be interesting to see if any comment is forthcoming.

But in the meantime, please do let me know what you'd like to see tested with this machine. I've seen some bizarre comments about performance concerns from potentially higher temperatures and the boost clock, so I guess we can stress-test the machine there - but the nature of the boost clock is that it's mapped algorithmically against a single model SoC, not the temperatures of the unit you have. I expect it to perform like any other PS5, but I guess it's worth running the rule over that. Anything else of interest you'd like to see? We've also got a great bunch of very tech savvy people here so if you want to help, let me know.

Oh yeah, the outer wrapper was already torn and was so in the delivery box (which the scalper opened in front of me). Just like my first PS5 from Sony! I didn't do it, honest!

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Anonymous

Perhaps you can age it in that try and see how well the cooling preferences will be once dust and other particles clog up the cooling system. Seeing how both would age should give a better insight if the change is as bad as it appears to be. No?

Anonymous

This will be awesome to see you guys look into this. I'm of the same mind as you; the internal heatsink changes, though kinda crazy in side-by-side comparisons, are surely not going to affect anything. What I think WILL affect things, hopefully for the better, is the WiFi chipset(?)/antenna changes. Would it be possible to test signal strength and bandwidth speed between 2.4GHz and 5.0GHz modes on original/revised PS5 hardware?

Ben Fisher

Any chance of trying to push them to their limits on a high ambient environment? This will showcase the relative difference between the 2 models better rather than a 20c load. It's academic though as not many people will be running that ambient.

Anonymous

since Austin measured a slightly quieter fan, would you be able to measure the airflow of the exhaust? is the new fan quieter due to design or because it's moving slightly less air? expanding on the model SoC algorithm would be informative as well.

Anonymous

I'm most interested in seeing if there's any difference in cooling capability on aspects of the system other than the SoC - especially the memory.

Anonymous

I wasn't aware that this changed. I certainly second this!

Anonymous

I’m interested in the difference in temperature, performance and acoustics- if any- when an M.2 NVMe SSD is inserted versus not.

Eric Benoit

Could you insert a PS1/2/3 disc in as a symbolic gesture of Lamentation?

Anonymous

Watt usage while gaming, any difference? And comparison with xsx exhaust. Since you measured it higher than the original ps5, curious where it stands now with the revision. Thx

Anonymous

When you increase radiator too much beyond fan-heat-blowing-out capability the radiator may start acting as heat accumulator. So, you need to somehow test two revisions for an actual heat dissipation capability.

Anonymous

It may not be feasible to test, but GamersNexus video (https://www.youtube.com/watch?v=MmggkW6usmQ&t=540s) on the original PS5 temps found that the bottom memory module would run pretty hot from lack of heatsink coverage. I am curious to know if the new heatsink is better or worse at cooling the memory modules. The SOC seemed to have room to get hotter, so I won't be surprised if it is under the new model, but the hot memory gives me longevity concerns.

digitalfoundry

Hmmm well I was thinking about that because many people do run their consoles in an enclosed media cabinet.

Anonymous

I wonder how the additional SSD requirements will come in to play here now. Considering Sony mandated to put a heatsink on the SSD. Was that due to this possible increase in temperature?

angETF

Can an additional nvme SSD still run without heatsink and without throttling?

Anonymous

Might be a little useless to test but could you swap the fans between them just to see how much the new fan improves over the old one? Also, I'm curious to see the new fan tested with the original beefy heatsink

Anonymous

My first PS5 had really pronounced coil whine (and then it bricked actually). Would be interesting to see if they have looked into this. My replacement PS5 also has pretty audible coil whine in games like Valhalla for example.

SweetMini

It would be interesting to also know the impact on expansion bay NVME SSD temperatures, if any. I would also have some concerns on the actual temperature the bluray game disks may reach (hard to test that one... but game disks are seldom looked at, however since i don t have the console maybe they always eject cold so there could be nothing to actually test there).

Anonymous

I'm curious to know if theres more airflow coming out of the back. one way to shrink the heatsink and keep the soc cool is to just blow more air trough it after all

Gaboou

Rich finally said "headroom" instead of erroneously using "overhead"! ;-P

TheCollector

Just stress test it in a user-representative way. For example, I had my OG Xbox One in a stereo cabinet with almost no air flow (cause back then I figured it was just a new Nintendo right?) and the device never gave an inch. Would like to see if modern consoles can deal with user ineptitude :-)

InterestingFool

I have my PS5 in a cabinet with no airflow and during the hottest days of summer (no AC) the noise was very noticeable while playing Demon's souls

Anonymous

They request a shut down if the insides are going to melt. I’m sure data could be collected before that happens, but I’d guess the temperature they switch off at or request shut down hasn’t changed.

Anonymous

I’m curious to know is it is considerable hollow now? And, could the overall console design have been different if they weren’t targeting such big heat sync? Maybe slimmer ou shorter!

Anonymous

Im curious if Sony still capped HDMI 2.1 bandwidth to 32 Gbps compared to 40 Gbps for XsX. Not a huge deal but XsX can output 120 FPS RGB 444 while on PS5 120 w/ YUV422.

Anonymous

While I doubt it, given the relatively small changes in temperature I have heard, could you test to see if any of the really taxing games cause console to shut down from overheating? Perhaps, as mentioned by another commenter, in tighter areas that might not provide good enough airflow.