i5-14600K and i5-14600KF
As before, the field of the new i5s is very mixed, starting at a total SP of 57 and going up to 85. We had 3 trays of each of the two SKUs, 14600K and 14600KF, i.e. 42 units. Both SKUs are generally very close to each other, the 14600K has a few more outliers at the top and bottom and the 14600KF is somewhat more evenly distributed.
You can immediately see where these strong variances come from with the P SP. Values from 48 to 90 are included here. You shouldn’t make the mistake of assuming that the SP 48 is only half as good as a 90, as the values are weighted, but the distribution is nevertheless striking.
With the E cores, the variance in quality is even somewhat less pronounced than with the P cores of the 14600 chips. In fact, there are also some CPUs that have a higher E SP than P SP! Again, this does not mean that the E cores clock higher than the P cores, but such a CPU is definitely not particularly great either.
If we now take another look at the VID values for the maximum frequency (5.3 GHz for the 14600K(F)), it becomes clear where the split in the P SP values comes from. The worst CPU needs 1393 mV here, the best only 1208 mV, which is almost 200 mV difference. Again, this may only relate to the boost of individual cores, but you can work out how much difference this 0.2 V can make to the power consumption.
And yes, even with the i5, the “R” batch as the one with the lexicographically highest counter is also the best for the SP values. Still a coincidence? Let every reader judge for themselves.
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