Intel 5820K question

[evq]

Hi guys,

I am using this cpu, supposed to have 6C 12T.
In Resource Monitor, should it shows 18cpu rite?
I am seeing 12cpu. Is it correct?

Sorry for being noob

 

[LegendZenify]

6 cores, with hyperthreading each core runs 2 threads which gives you 12 threads.
It's not 6+12=18, but rather 6x2 gives you total of 12 threads.
So 12 is correct.

 

[evq]

Oic. Thanks for the r fast response.

 

[kandinsky]

Hi guys,

I am using this cpu, supposed to have 6C 12T.
In Resource Monitor, should it shows 18cpu rite?
I am seeing 12cpu. Is it correct?

Sorry for being noob

Correct. 6 x 2 = 12

http://ark.intel.com/products/82932/Intel-Core-i7-5820K-Processor-15M-Cache-up-to-3_60-GHz

A single physical CPU core with hyper-threading appears as two logical CPUs to an operating system. The CPU is still a single CPU, so it’s “cheating” a bit — while the operating system sees two CPUs for each core, the actual CPU hardware only has a single set of execution resources for each core. The CPU pretends it has more cores than it does, and it uses its own logic to speed up program execution. Hyper-threading allows the two logical CPU cores to share physical execution resources. This can speed things up somewhat — if one virtual CPU is stalled and waiting, the other virtual CPU can borrow its execution resources. Hyper-threading can help speed your system up, but it’s nowhere near as good as having additional cores.

Thankfully, hyper-threading is now a “bonus.” While the original consumer processors with hyper-threading only had a single core that masqueraded as multiple cores, modern Intel CPUs now have both multiple cores and hyper-threading technology. Your dual-core CPU with hyper-threading appears as four cores to your operating system, while your quad-core CPU with hyper-threading appears as eight cores. Hyper-threading is no substitute for additional cores, but a dual-core CPU with hyper-threading should perform better than a dual-core CPU without hyper-threading.

http://www.howtogeek.com/194756/cpu-basics-multiple-cpus-cores-and-hyper-threading-explained/