Server Cores
I'm trying to figure out pricing for Server 2019, I'm looking at Performance Tab in Task Manager, it shows 16 Logical Processors, & 8 Cores. Does this mean 8 cores per processor, or just flat out 8 cores?
16 Logical Processors
"Logical" in computer terms generally means "Not Physical." So your system has 8 physical cores and is configured for Hyper-Threading/Hyper-Tran
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You license for a minimum of 16 cores, so either way is moot because you would still be 16 cores at most.
The reality is that based on your provided information, you either have a single 8 core processor with hyperthreading enabled, or two 4 core processors with hyperthreading. Either way it is 8 physical cores, so you can get better processor or add a second processor to bring up to 16 cores without increasing the licensing cost to Microsoft.
If you're really concerned about security, especially if you run alongside unknown VMs, you should disable hyperthreading due to inherent side channel attacks against hyperthreading.
The reality is that based on your provided information, you either have a single 8 core processor with hyperthreading enabled, or two 4 core processors with hyperthreading. Either way it is 8 physical cores, so you can get better processor or add a second processor to bring up to 16 cores without increasing the licensing cost to Microsoft.
If you're really concerned about security, especially if you run alongside unknown VMs, you should disable hyperthreading due to inherent side channel attacks against hyperthreading.
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CPU-Z works great for what we're looking for.
It’s 8 cores
How many processors
ALL CORES MUST BE LICENSED!!!