Are AMD Zen 4 processors and the AM5 socket system worth the upgrade?

AMD introduced its new Zen 4 series Ryzen 7000 and AM5 socket processors in recent weeks. On the other hand, from the day it was released in our country, the new one joined us until we could not even adapt to this series due to the problems experienced in the stock AM4 motherboard and compatible processors.

That’s why we decided to take a closer look at the B650 and X670 motherboards, their features and differences, to fill the gap faster. That is why we are also focusing on processors with the new Zen 4 architecture.

What does AMD offer with Zen 4 and AM5?

Let’s start with the Zen 4 processors first. AMD has already fully adapted to PCIe 5.0 in this new generation. There are a total of 28 PCI lanes, of which 16 are used for one x16 PCIe slot. Of course, it is also possible to see it as a 2×8.

AMD Zen 4 AM5

Of course, it should be noted that both 4.0 and 5.0 technologies are supported on the PCIe connection side. Because users who want PCIe 5.0 have no choice for now but to turn to X670E motherboards. However, this situation will change in the future and opportunities will increase.

Will the AMD Ryzen 7000 series be an APU alternative?

Will the AMD Ryzen 7000 series be an APU alternative?

It has been confirmed that the new Ryzen 7000 series recently introduced by AMD will be the internal graphics unit.

In addition, the new Zen 4 series has 8 more general purpose lines. We can see that at least 4 of them are reserved for SSD type M.2 (generation 5.0). The remaining 4 lines are left to the choice of motherboard manufacturers. But in general, we predict that it will appear as Thunderbolt 4 (Intel Goshen Ridge JHL8440) and USB 4 (ASMedia ASM4242).

On the other hand, we know that the new Ryzen 7000 series uses integrated GPUs (those who want to prefer these chips over APUs can click on the link above). Thus, the new AM5 socket motherboards will also support HDMI 2.1 and DisplayPort 2.0. It will also have 4 different image transfer ports.

AMD Zen 4 AM5
Source: TechPowerUp

It also has four USB 3.2 Gen 2 (10 Gbps and at least 1 Type-C output) and at least one USB 2.0 port. The remaining 4 PCIe lanes will be used to connect the chip. Of course, as mentioned, at this stage, although the processor supports PCE-Express 5.0, the chips come with PCIe 4.0. Accordingly, the result you will get will be of Gen 4 quality.

AMD is known to be working with ASMedia to create a chipset called Promontory 21 in AM5. This chip offers 16 PCI-Express lanes. Four of them are used to connect to the processor via Gen 4, as we said before.

AMD Zen 4 AM5
Source: TechPowerUp

On the X670 and X670E, the secondary chipset is connected to the primary chipset. So there is no direct connection to the CPU. This means that the remaining four lanes are used in the main chipset, leaving eight free PCIe lanes. So the secondary chipset has 12 PCIe lanes available.

So here we see that there is little room for motherboard manufacturers to do what they want. For example, ASRock prefers 8 SATA ports at this stage. But in general, we see that other manufacturers prefer 6 pcs.

To summarize, the B650 series motherboards will have a total of eight available PCIe 4.0 lanes and four PCIe 3.0 or SATA (6 Gbps) connections. The X670 and X670E series motherboards will have 12 PCIe 4.0 lanes and up to 8 PCIe 3.0 or SATA (6 Gbps) connections.

Finally, a new post from AMD today showed off some features along with an image of the AM5 platform. Chief among them was built-in support for up to 170W, and the new socket would be compatible with older AM4 coolers.

What do you think about that question? Don’t forget to share your thoughts with us in the comments!

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