Intel’s Alder Lake Z690 control circuit doubles bandwidth

It is not long before Intel launches the next processor family – “Alder Lake”. This one comes with more big news in trailers is someone else in very many years. Finally, the step is taken to 10 nanometers for desktops, two new architectures with a focus on performance and energy efficiency, the latest memory standard DDR5, PCI Express 5.0 and of course also a new control circuit.

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True to the name scheme, the current control circuit Intel Z590 is replaced with Z690, which is thus the one that flanks socket LGA 1700. Now images for Intel Z690 are looking for on the web and show a much larger history than Z590. The fact that the newcomer swells in size is explained by the fact that it has several significant upgrades in trailers.

First and foremost, the interfaces that handle communication between control circuit and processors are doubled – Direct Media Interface (DMI). This previously retains eight channels but takes the step from version 3.0 to 4.0, which doubles the bandwidth from 8 GB / s for the Z590 to 16 GB / s for the Z690. The fact that Intel is making that shift can be attributed to the fact that the DMI bus will not be a bottleneck for the other functions of the control circuit that will be added.

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Today’s Intel Z590 delivers up to 24 channels of PCI Express 3.0. With the Z690, this is upgraded to 12 channels PCI Express 4.0 and 16 channels PCI Express 3.0, which enables three SSDs of the latest cut which with 4 channels PCI Express 4.0 can deliver speeds north of 7 GB / s. In addition to this, there are also minor minor changes in the form of an extra USB 3.2 Gen 2×2 (20 Gbps) and two USB 2.0 (480 Mbps).

Furthermore, nothing new has appeared before the processor itself. Here are 4 more PCI Express 4.0 channels and in addition support for 16 channels PCI Express 5.0, with which Intel explicitly mentions graphics cards and the company’s own SSDs. This suggests that the company’s products in both areas may support the interface. In addition, there is support for three picture connections, where it is up to the motherboard manufacturers to choose whether these should be HDMI or Displayport.

When Intel introduced the Skylake architecture six years ago, the shift from DDR3 to DDR4 was marked and during a transition period there was support for both. With Alder Lake, Intel is doing the same thing again, but now with DDR5 and DDR4. Officially, there is support for DDR5 memory with an effective clock frequency of 4,800 MHz, which is the lowest level according to the JEDEC standardization body, while the clock frequency for DDR4 is 3,200 MHz, which is the highest level of the standard according to JEDEC.

Intel has previously announced that Alder Lake will be launched sometime in the fall, but when exactly is not yet clear. It is clear, however, that this will only happen after Windows 11, which introduces a new scheduler that can handle Intel’s hybrid architecture with eight high-performance and eight energy-efficient cores.

Source: Videocardz, (2)

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Source: SweClockers by www.sweclockers.com.

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