Overclocking help please!

[Ed Swayzy]

Hi there!

Any insight into my overclock inquiry would be greatly appreciated!

Here are the tech specs for my rig,
 

Intel - Core i5-9600K Six-Core 3.7 GHz Socket LGA 1151 Desktop Processor

 

ASUS - ROG STRIX Z390-E GAMING (Socket LGA1151) USB 3.1 Gen 1 Intel Motherboard with LED Lighting
MSI - GeForce RTX 2060 GAMING Z 6GB GDDR6 PCI Express 3.0 Graphics Card - Silver/Black
Cooler Master - Hyper 212 Black Edition 120mm CPU Cooling Fan - Black
Samsung - 970 EVO Plus 250GB Internal PCI Express 3.0 x4 (NVMe) Solid State Drive with V-NAND Technology

CORSAIR - CX-M Series 650W ATX12V 2.4/EPS12V 2.92 80 Plus Bronze Modular Power Supply - Matte black

I am looking to overclock the 9600k to 5.0 ghz but ive only been able to get the system to post by raising the core voltage to over 1.4V (specifically 1.425), which obviously is really high and stepping into dangerous territory for longevity.

I've been able to have a pretty stable OC at 4.8 ghz with a core voltage of 1.3

Any reason why the chip needs so much voltage for a stable OC at 5.0ghz?

[Fasauceome]

5 minutes ago, Ed Swayzy said:

Any reason why the chip needs so much voltage for a stable OC at 5.0ghz?

silicon lottery

 

no chip is guaranteed 5GHz on all cores

[C17H23NO2]

It's rather common that after a certain point you have to increase the voltage a lot to get just a little more clockspeed out of it. 
When the point is reached is different from cpu to cpu  ( silicon lottery ). That's why you can't say: " my cpu runs at 5Ghz at 1.35v so every same cpu can do that (as example). 

Little bit of luck involved if your chip is good, bad or just normal.

[Mister Woof]

its random more or less