Tuesday, December 13, 2016

AMD Ryzen (Zen) will change the frequency step of 25 MHz Overclockers.ru

While “the most appropriate the author” was carried night watch, it less ideologically balanced colleagues gain strength to pick up a fertile theme for the next phase of the announcement of the AMD Ryzen morning. Many small details behind the scenes, and it is difficult to provide a complete picture of the capabilities of AMD Ryzen, and their creators hardly ready to give “the weak spot” on the first day of Dating. However, some features of the long-awaited processors are already intriguing, to say the least.

let’s Start with the fact that dynamically change the clock speed of the AMD Zen architecture is able with a step of 25 MHz. If we consider that the frequency of the basic generator on most modern systems is changed with a step of 100 MHz, one has to wonder how AMD is going to “mince small steps”. Theoretically, the frequency of the basic generator can be lowered to 25 MHz, but then the value of the multiplier of the processors will soar beyond 100x. It is more likely that applied a fractional multiplier value – especially since the AMD “half” multipliers in its history, is already used.

second, it should be recalled that support NVMe, SATA Express, USB 3.1 second generation and some part of lines PCI Express 3.0 processors with architecture Zen implement on their own. This means that from the motherboard with Socket AM4 requires only the availability of appropriate connectors, and with the installation of its family of processors Bristol Ridge some functions will be unavailable.

Support memory type DDR4 is implemented via dual-channel scheme. On the one hand, this facilitates a gradual transition from Bristol Ridge to Ryzen. On the other hand, this limits the maximum available amount of RAM – Quad channel kit would be more capacious.

motherboard with Socket AM4 will support not only CrossFire, but also SLI. At least on the night of the presentation in the demo system Ryzen side by side the combination of two NVIDIA Titan X.

the choice of cooler for the AMD Ryzen will have to be approached with special attention. TDP level is not alarming, OCTA core model with a nominal frequency of 3.4 GHz within the limits of the 95 watts. However, the system of mounting the cooler must be compatible (or easily adapt) with Socket AM4. In addition, the automatic overclocking function try the most complete way to realize the potential of the cooler, therefore, wishing to operate the processor Ryzen at higher frequencies will need to attend to the selection of more efficient cooling system.

AMD has not yet called the exact timing of the announcement Ryzen, any prices or full range of models. Some of this information has been leaked from unofficial sources, but in such a delicate matter as a way life-changing family of products to trust such leaks with caution.

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