Technology content trusted in North America and globally since 1999
8,554 Reviews & Articles | 66,495 News Posts

Intel Core i9-9900K 9th Gen Coffee Lake Review (Page 7)

By: Steven Bassiri from Oct 19, 2018 @ 8:00 CDT
TweakTown Rating: 94%Manufacturer: Intel

Page 8[Overclocking and Power Consumption]

Power Consumption


We measure at the 8-pin power connector, and we see some pretty high power consumption as we did with the 2700X and PBOD. It could be motherboard vendors didn't securely power lock the CPU, but we do see that default power limits are set at 95W for PL1 and 118W at PL2, which is in line with a 15% decrease in converter power efficiency costs. The CPU will pull roughly 20-25W more than 95W if you use an AVX load at 100% on all cores at stock, and while that isn't too much, it is 25% more than what you might expect.



A nice overclock I found was with 1.33v set with LLC Turbo level, 5.2GHz, XMP enabled, and I didn't mess with TJMax offset, although Intel has added that into the base UEFI code so you can increase it as the CPU can get pretty hot over 5GHz. I think Intel has added the ability to increase TJMax to 115C from 100C because they changed from paste to solder, which is a much quicker and better way to move heat from the die to the cooler. However, 100C is listed as junction temperature, so I decided to stay on the safe side of things with my CPU and not try and mess with throttle points. The CPU overclocks just as easy as Sandy Bridge and to the same frequencies.

PRICING: You can find products similar to this one for sale below.

USUnited States: Find other tech and computer products like this over at

UKUnited Kingdom: Find other tech and computer products like this over at

AUAustralia: Find other tech and computer products like this over at

CACanada: Find other tech and computer products like this over at

DEDeutschland: Finde andere Technik- und Computerprodukte wie dieses auf

We openly invite the companies who provide us with review samples / who are mentioned or discussed to express their opinion. If any company representative wishes to respond, we will publish the response here. Please contact us if you wish to respond.

Related Tags