US engineers have come up with a new way to cool semiconductor products, which does not involve the use of a thermal interface. Conformal coating in laboratory conditions has demonstrated its high efficiency in comparison with traditional methods of heat removal.
Electronic devices heat up during operation, and the greater the power, the stronger the heating, all other things being equal. This problem is especially acute with the miniaturization of devices. Researchers at the University of Illinois at Urbana-Champaign have come up with a new efficient way to remove heat from semiconductor products.
Usually, a radiator is connected to the hottest places of the microcircuit through a thermal interface. For example, thermal paste. Instead, American scientists proposed to cover the entire device with a thin layer of polymer insulator, and “fill” it with a layer of copper on top, completely repeating the shape of the device. This conformal coating is in close contact with the device and effectively removes heat from it.
“We compared our coatings to standard heat dissipation methods. It turned out that our method dissipates 740% more power per unit volume.one of the researchers explained.
It is expected that in the future this invention will make electronic devices, including telephones and computers, more powerful and compact.
The first PC based on AMD Ryzen 8000 processors has been introduced. The Minisforum V3 tablet will be very large
Despite the fact that there are clearly at least a few months left before the official announcement of Ryzen 8000 processors, Minisforum has already presented the first product based on such CPUs.
We are talking about a tablet, which is currently called Minisforum V3, but this is hardly the final name. The device will be based on the as-yet unnamed AMD Ryzen 8000 hybrid processor from the Hawk Point line. So far, all that is known about it is that its TDP will be 22-28 W, that is, it will be a model of the Ryzen 8000U line.
It is known about Hawk Point processors that these will be updated Phoenix models. They will carry the same Zen 4 cores, but the GPU will be based on the updated RDNA 3.5 architecture. In addition, the new APUs will have an XDNA block for working with AI.
Returning to the tablet, Minisforum is already talking about DDR5-6400 memory, two USB4 ports, an SD card slot, Wi-Fi 6E and Bluetooth 5.2. The tablet will also offer a huge 14-inch screen with a frame rate of 165 Hz and QHD+ resolution, four speakers, a fingerprint scanner, a 5 MP camera, stylus support and a battery with a capacity of more than 50 Wh.
Considering that the current Ryzen 7000U has a very powerful iGPU, the new processors should be even faster in this regard, meaning such a tablet can also be used for games.
Intel’s recent statement was misinterpreted. There will still be no full-fledged Meteor Lake-S desktop processors
Intel seems to have decided to confuse the public with its plans for the desktop processor segment. It turns out that there will still be no full-fledged desktop models of Meteor Lake-S.
Yes, Intel executive vice president and general manager of the client computing group Michelle Johnston Holthaus said just the day before yesterday that such CPUs would be released in 2024, which raised questions about three lines at once in one year. However, it now turns out that Holthaus did not actually mean the desktop segment in the form in which it is usually understood. Meteor Lake processors will indeed appear in desktop PCs, but this does not mean that such CPUs can be purchased separately and assembled into a computer based on them. In fact, Meteor Lake-S in the desktop segment will only be available in all-in-one PCs.
Meteor Lake is a power-efficient architecture that will power innovative mobile and desktop designs, including desktop form factors such as All-in-One (AIO). We will share more details about the product in the future
Intel already has experience releasing core KB desktop processors, which were only available in mini-PCs. Apparently, it will be the same story with Meteor Lake-S. Moreover, it is likely that technically these processors will completely copy mobile versions, except that the TDP may be higher.
That is, in 2024 we will have only two desktop lines: Raptor Lake Refresh, which will be released in October of this year, and then Arrow Lake-S sometime next year.
The GeForce RTX 5090 will not repeat the fate of the fire-hazardous RTX 4090. Tests of the 12V-2×6 power connector showed that it works even when connected incompletely
Back in July, we learned that Nvidia was working on a replacement for the fire-hazardous 12VHPWR connector. And now the first tests of the 12V-2×6 connector have appeared on the Internet, which should replace the 12VHPWR.
The authors of the HardwareBusters channel visited the laboratory of Linewell, which produces power cables, including for video card manufacturers.
Linewell tested the cable with the new connector, and tested it in a format that simulated the most common cause of 12VHPWR melting. At first, Linewell specialists tested it in normal mode for almost an hour, and the connector only heated up to 46.5 degrees. Then the cable was not connected completely, which usually leads to melting, and a power of more than 640 W was applied to it, that is, exceeding the established limit of 600 W. The connector passed the test, heating up to only 41 degrees.
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