FX-8350 requires more than 1.5v for stability at 4.7GHz
FX-8350 requires more than 1.5v for stability at 4.7GHz
System details include a MSI 970 Gaming motherboard, AMD FX-8350 CPU, Corsair H80i GT cooling, Corsair RM1000 PSU, and 32GB Corsair Vengeance Pro RAM at 2400MHz running at 1333MHz. The question asks if the voltage requirements are correct for a stable stress test and whether other issues might be present.
When companies such as Intel, Amd, TSMC, UMC, GF, and others produce wafers, minor differences in material quality appear across the surface. These variations affect processes like lithography, metal vapor deposition, and photoresist application, leading to significant performance gaps between the best and worst chips from the same batch.
To boost profits, manufacturers evaluate and categorize chips using factors such as leakage current, power consumption at critical frequencies, and salvageable defects. This process is known as binning.
When purchasing a CPU, it's like playing the lottery—you receive a chip with certain characteristics.
Heyo zach rox
It seems like a huge amount of voltage is flowing through the CPU for a 4.7Ghz overclock.
You might have been unlucky with your CPU, and it simply isn't great at handling the overclocking. You can't really do much except upgrade to something better.
When chip manufacturers like Intel, Amd,TSMC, UMC, GF, etc. make wafers, there are slight variations in material quality across the wafer surface, there are local variations in how the lithography, metal vapor deposition, photoresist chemical deposition, etc. are done and this can yield a significant contrast between how good the best chip of a given batch will perform vs how bad the worst chip of the same batch will perform.
To maximize profit, chip manufacturers test and sort chips based on various criteria such as leakage current, power draw at key frequencies, salvageable defects, etc. to decide which product range the chips fit best in. That's binning.
When you buy a Cpu you playing the lottery: you are guaranteed a chip that performs at least up to stock standard but you have absolutely no way to know beforehand how much farther beyond that your specific chip can go under any given circumstances beyond stock conditions. That's the chip lottery. Some may max out 4.5GHz while others may hit 5GHz. Some may require 1.4V to get to a given clock rate while others may require 1.55V.
Just a note, my motherboard was overheating and making the chip seem unstable, but it might not have been that way. I gave up on it because I wasn't satisfied with the board.