Hello everyone, I have a doubt and I don't think there is better place than this to ask:
I'm looking for a new Intel processor and I found the i5 9600, but there is the K version, the F versione and the KF version, now my doubt, which is the difference between this 3 versions of this CPU? There is something better maybe spending less money?
Thanks from now for who will answer, I'm in your hands 😄
Here's the meaning of the appended letters:
K - Unlocked (overclockable) processor with enabled graphics engine. Example: Core i5-9600K.
F - Locked processor with disabled graphics engine. Example: Core i5-9600F.
KF - Unlocked processor with disabled graphics engine. Example: Core i5-9600KF.
<No Letters> - Locked processor with enabled graphics engine. Example: Core i5-9600.
Which to choose depends upon what you plan to do with the processor. Two questions:
- Do you want to have the possibility of overclocking?
- Do you want to have the possibility of using the Intel HD Graphics engine (i.e. you don't plan to exclusively use an NVIDIA or AMD add-in graphics card)?
If your answers to these two questions are:
- Yes, Yes -- choose the i5-9600K.
- Yes, No -- choose the i5-9600KF.
- No, Yes -- choose the i5-9600.
- No, No -- choose the i5-9600F.
Some additional considerations:
- The 'F' processors, because the Intel HD Graphics engine is disabled, use less power and run a bit cooler. This is extra advantageous if you are overclocking. Of course, you do need to have an add-in graphics card in this case, which is a considerable expense.
- Locked (non-'K') processors are typically less expensive.
- Unlocked ('K') processors are typically higher performing, even when not overclocking.
- I have been skipping the processors with the 'T' letter (like the i5-9600T). I presumed you weren't interested in these lower-power, lower-clocked, lower-performing versions.
Hope this helps,
Well, to be honest I wont overclock the CPU, I haven't the right cooling system to do it, so I will just use the CPU "normally". The graphics engine is not a problem for me, I already have one, so I think the F versione would be the right choise, but you wrote the K version is higher performing. Do you now how much "big" is this difference between F and K?
Ok no, I just realized the difference of GHz between those 2
Yea, the additional performance comes from having a higher processor base frequency. The difference is 3.1GHz for the i5-9600 and 3.7GHz for the i5-9600K/i5-9600KF and that's a pretty significant difference.
My personal opinion, for your situation, is to spend the extra and go with the i5-9600KF. What I don't understand is that Intel is showing the K and KF processors as having the same wattage (95W). I would have thought the KF would have been lower wattage. Still, not having the graphics engine running is going to mean a cooler processor and this could mean that, depending upon the software mix being run, Intel Turbo Boost can be active more of the time, yielding a performance benefit.