We have confirmation that Tesla’s latest 2022 Model 3 and Model Y in the United States now uses the AMD Ryzen chip for its infotainment system, and a new 12v Li-ion battery.

Tesla had begun transitioning to the AMD chip in the Model S being produced in China, followed by the Model Y and Model X as well.

The Chinese-made vehicles with the AMD chips are also destined to the European market, and with the North American market in sync, AMD chips will be powering Tesla’s for a while now.

It was speculated that Tesla had moved to AMD as a result of the silicon shortage that continues to plague the market, but performance tests – as reported by Electrek – have shown that the MCUs powered by the Ryzen chips showed significant improvement.

On the battery front, Tesla has been using a lead-acid 12v battery which as mentioned earlier, has now changed to a Li-ion battery.

According to Electrek:

As for the new 12-volt battery, Tesla vehicles have been known to often suffer from 12-volt battery failures. Furthermore, it has been strange for Tesla, a company seen as a leader in battery technology, to still use an old battery chemistry to power its 12v vehicle system. Unlike the new chip, if the change is good, Tesla owners shouldn’t even notice it since the battery should just not fail as often as the previous version did.

Of course we’ll know more as the vehicles rollout and tested in real-world conditions.

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