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No delidding needed: Intel Core i9-9900K and Core i7-9700K to come with a soldered IHS

The Core i9-9900K will feature a soldered IHS. (Source: Optimum Tech)
The Core i9-9900K will feature a soldered IHS. (Source: Optimum Tech)
The upcoming Intel 9th generation 'Coffee Lake-S' CPUs will feature a soldered integrated heat spreader instead of a thermal compound. However, this will be limited to only the 8-core Core i9-9900K and the Core i7-9700K while the rest of the lineup will still continue to use a thermal compound.
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The Intel 9th Generation 'Coffee Lake-S' CPUs are expected to be announced this September but that hasn't stopped the leaks from pouring in. While we've just seen leaked details of these processors and a benchmark as well, the latest information will surely please those in the Team Blue camp. German website Golem.de reports that the flagship Core i9-9900K and the Core i7-9700K will be using soldered integrated heat spreaders (IHS), which effectively reduces the temperature under load. The rest of the lineup will continue to use thermal compound as the conducting material between the die and the IHS.

Golem says that several sources related with Intel have independently confirmed that soldered IHS is coming to the new Core i9 and Core i7 SKUs. The Core i9-9900K can boost up to 5 GHz out of the box while the Core i7-9700K can go up to 4.9 GHz. The soldered IHS might be a major contributor to hitting those high speeds. Apart from the mainstream desktop lineup, the Cascade Lake-X lineup for the HEDT market is also expected to feature a soldered IHS. In case you were wondering, AMD never had this situation as all their CPUs use soldered IHSs. 

The last time Intel used a soldered IHS was during the time of the 'Sandy Bridge' Core i7-2700K CPU in 2011. So whenever high clocks were desired in successive iterations, these CPUs had to be delidded. Even when the Core i7-8700K launched, famed overclocker 'der8auer' sold custom delidded versions that could hit up to 5.2 GHz. While using soldered IHSs could impair the ability to delid, the improved conductance between the die and the IHS should bode well for more efficient heat dissipation compared to a thermal compound.

Source(s)

Videocardz via Golem (German)

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Vaidyanathan Subramaniam
Vaidyanathan Subramaniam - Managing Editor - 1353 articles published on Notebookcheck since 2012
Though a cell and molecular biologist by training, I have been drawn towards computers from a very young age ever since I got my first PC in 1998. My passion for technology grew quite exponentially with the times, and it has been an incredible experience from being a much solicited source for tech advice and troubleshooting among family and friends to joining Notebookcheck in 2017 as a professional tech journalist. Now, I am a Lead Editor at Notebookcheck covering news and reviews encompassing a wide gamut of the technology landscape for Indian and global audiences. When I am not hunting for the next big story or taking complex measurements for reviews, you can find me unwinding to a nice read, listening to some soulful music, or trying out a new game.
contact me via: @Geeky_Vaidy
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2018 07 > No delidding needed: Intel Core i9-9900K and Core i7-9700K to come with a soldered IHS
Vaidyanathan Subramaniam, 2018-07-26 (Update: 2018-07-26)