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Re:AMD's Upcoming Ryzen 9 3900 Listed with 12 Zen 2 Cores at... by Retric on Friday September 27, 2019 @10:36AM (#21092458)
> All consumer CPUs use the same sockets.

Motherboard’s use a small set of different mounting brackets for CPU coolers. But the physical CPU socket depends on several things including the physical size of the chip and thus the amount of surface area you want in contact with the the cooler.

In case you where unaware actually running a CPU at 100C will drastically lower it’s lifespan. You encounter similar issue if there are significant temperature differences across the chip. Which is why packaging includes a metal plate over the CPU even though it reduces cooling. However, this is a real tradeoff which means the contact area must be reasonably close to design spec.

Re:AMD's Upcoming Ryzen 9 3900 Listed with 12 Zen 2 Cores at... by pingyong on Friday September 27, 2019 @11:04AM (#21092757)
Yes, bracket, not socket. What are we talking about again?
Re:AMD's Upcoming Ryzen 9 3900 Listed with 12 Zen 2 Cores at... by Retric on Friday September 27, 2019 @11:33AM (#21093071)
Selecting and then using passive CPU coolers. I am saying both the bracket and socket are important when choosing a cooling.

For example, when introduced there was no aftermarket passive cooling available for the AM4 socket.

Really of the 5 considerations “Does it fit the mounting bracket?” is probably the least important. Fitting the motherboard and case are mandatory. Fitting the socket and TDP have a little wiggle room. However, with mounting brackets you can generally get something to work as long as you keep firm contact and it does not wiggle around it’s fine.