Tesla Model 3 and Model Y to have faster processors, 12v li-ion battery and more

November 29, 2021

By Nuno Cristovao

New Tesla Model Y Performance models coming out of China this month have the biggest changes we've seen to the car so far. The cars have several major hardware changes that improve the infotainment system, noise isolated and more.

Tesla starts using 12v lithium-ion batteries

JayinShanghai/Twitter

Infotainment Processor

The first major upgrade is the processor that powers the car's infotainment display. It has been upgraded from the Intel Atom processor to a much faster AMD Ryzen chip. It's the same chip that's used in the redesigned Model S and X, although the Model S and X feature 16GB of ram while these new Model Ys appear to have only 8GB.

This processor is much faster than the Atom processors that are currently in Model 3s and Model Ys.

Graphics Processor

The new Model S and X feature a dedicated GPU that is capable of PS5-like graphics. The system is able to play one of the most intensive video games, Cyberpunk 2077.

We thought that this chip would be exclusive to Tesla's higher-priced vehicles, but surprisingly, the new Model Ys feature the same graphics processor in the new Model S and X.

.@xiaoteshushu GigaWorkshop Tear-down of Tesla MIC Model Y Performance.

First look inside the new MCU component, GPU (AMD Ryzen) is the same as Model S Plaid.#Tesla #TeslaChina #ModelYPerformance $TSLA @teslacn @elonmusk @AMDRyzen pic.twitter.com/boiDbIiuw0
— Jay in Shanghai ?? (@JayinShanghai) November 28, 2021

It appears that Tesla plans to keep the infotainment and graphic processors the same across their entire lineup of cars. Having such an advanced processor will surely open up the possibilities to new games and enhanced capabilities in the car.

MCU 3

When the Model S was unveiled, it contained this new processor and high-end gaming capabilities. At the time, no one was sure whether this hardware would be exclusive to the Model S or whether it would trickle down to other vehicles.

Tesla MIC Model Y Performance First Look！

Does AMD Ryzen seem to make the new MIC Model Y Performance look smoother than ever?

What do you think?

AMD YES？

(Video shared by users in our community group) $TSLA @elonmusk pic.twitter.com/0kfLm2G6vo
— 42HOW (@42how_) November 26, 2021

However, at this point it's fairly certain that the AMD Ryzen chip and graphics processor Tesla is using will be a part of Tesla's MCU 3 and will be used across their entire fleet.

Software

Although the new Model Ys coming out of China contain the same CPU and GPU processors as the new Model S, they still feature the same 15" screen as other Model Ys. They also still use the same user-interface as all current Model Ys, although they're certainly capable of running the same Tesla interface in the new Model S.

It's not clear whether the new interface is still being adapted for slightly smaller screens, but we expect that these new Model Ys with MCU 3 will be running the updated Tesla interface in the future.

We don't know if vehicles with MCU 2 will be able to run the updated interface at some point. Tesla employees have previously said off the record that MCU 2 isn't capable of running the new interface found on the new Model S, but it's possible that Tesla figured out a way to run the new interface on MCU 2 vehicles. If the new interface comes to MCU 2 cars, it'll likely need to be adapted to be able to run on slower hardware or limit some of its features, such as dragging and docking windows.

12v Battery

All Teslas up until the release of the redesigned Model S and Model X used 12v lead-acid batteries. This lower voltage battery is used to power door locks, electronics and other smaller items in the car that can't be run off of the high voltage battery.

The 12v lead-acid batteries in Model 3 and Model Ys are the same kind found in just about every other car. The battery is recharged off of the car's main battery. These lead-acid batteries last about four to five years, but we've seen them last only a couple years as well.

With the new Model S, Tesla switched to a lithium-ion based battery that is much lighter and lasts much longer than lead-acid batteries.

These new Model Ys coming out of GIGA Shanghai are coming with the same lithium-ion battery that is found in new Model S and X vehicles.

The battery is estimated to last the life of the vehicle and never needs replacing. This is a nice improvement and it's a great way for Tesla to reduce Tesla service visits.

It also helps increase customer satisfaction and lower the maintenance required for Teslas even further.

Although replacing a lead-acid battery in a vehicle isn't an expensive procedure, having a lithium-ion battery that doesn't need to be replaced is a nice improvement for all future Tesla owners.

It'll be interesting to see whether Tesla will be able to upgrade lead-acid batteries to their lithium-ion models in future service calls for any customers that need one replaced.

Other Changes

Another change that has been noticed in these new models is that the rear passengers windows now have double laminated glass similar to the front windows, to help further isolate road noise.

It's possible that there are other smaller changes in these new models as well, but these have been the major changes observed so far.

These hardware changes are currently exclusive to new Model Y Performance models coming out of China. Tesla slowly makes changes to its lineup throughout the year when possible, but the changes we're seeing here are major improvements to the vehicle.

You can be sure that all Tesla factories will adopt the same hardware changes we're seeing in China across all models in the coming weeks or months.

There has now been a video posted that compares how much faster MCU 3 is compared to MCU 2 when loading various apps.

Tesla Accelerates India Entry: Eyes Gigafactory India

May 15, 2025

By Karan Singh

Not a Tesla App

Tesla’s much-anticipated official entry into the Indian market appears to be shifting to a higher gear, with recent reports from Business Standard (paywall) indicating that Tesla is now looking into establishing Gigafactory India. Business Standard points to Tesla exploring land options in Satara, Maharashtra.

Satara is about 250km (155 mi) from the Port of Mumbai, placing it in an excellent location to easily receive parts and materials from other countries, as well as ship completed vehicles elsewhere around the world. The potential facility is reportedly planned as a “Completely Knocked Down” or CKD assembly plant, which means that Tesla would import parts and then assemble them locally.

This is key to Tesla’s strategy in addressing India’s traditionally high import tariffs on fully built vehicles, which have been a major hurdle for Tesla in the past. This push aligns with India’s updated EV policy, which calls for reduced import duties on EVs priced at $35,000 USD or above for companies that commit to investing at least $500m USD in local manufacturing facilities between 2024 and 2027.

According to the report, Tesla is prepared to invest substantially more, with figures around $2-3 billion USD cited for a plant capable of doing final assembly on up to 500,000 vehicles. Tesla supposedly aims to roll out the first locally assembled vehicle from the facility no later than March 2026.

Building the Indian Foundation

Beyond just manufacturing plans, Tesla has been actively laying the groundwork for its future Indian operations. Tesla has reportedly finalized leases for its first showrooms in Mumbai and Delhi - two of the largest cities in India. An office space in Mumbai to headquarter Indian operations is also on that leasing list.

Tesla has also begun to hire its initial tranche of employees, with over 30 positions already posted. Tesla is also hiring Autopilot Vehicle Operators in several locations, indicating that Tesla intends to test at least the FSD suite in one of the most complex traffic situations around the world.

Elon Musk also confirmed that he plans to visit India and speak to the Indian Prime Minister, likely to broker a deal focusing on building out Tesla’s presence and bringing new technology to the country.

The road to India has not been without its complexities. Reports confirmed the resignation of Prashanth Menon, Tesla's India head, with oversight of Indian operations temporarily shifting to Tesla's China team. Furthermore, earlier discussions with potential joint venture partners, such as Hyderabad-based Megha Engineering for land acquisition, reportedly did not materialize, leading Tesla to explore other avenues and locations like Satara.

Despite all the setbacks, Tesla’s efforts indicate that they are more determined than ever to make a formal and official entry into the Indian market.

Tesla's Spring Update Tear Down: New Grok Code, Ridesharing Features and More

May 15, 2025

By Karan Singh

Not a Tesla App

Tesla’s software updates often contain far more than the release notes show, whether they’re undocumented features or preparation for the next big thing. The 2025 Spring Update is no exception - it’s filled with undocumented changes and, of course, new, inaccessible code that points to upcoming features.

Tesla hacker greentheonly on X has been digging into update 2025.14 and found some intriguing additions and hints about what’s coming next, so let’s take a look.

Grok Incoming

New hidden UI elements have been found pointing towards the integration of a Grok-powered smart assistant for Teslas. This includes references to a “personality” button, just like the Grok app. Tesla is likely hard at work on an advanced conversational AI and integrating the ability to control your vehicle.

Grok is the smart assistant that’s expected to replace the ancient voice commands that are available today. However, expect anything beyond vehicle commands to require Tesla’s Premium Connectivity.

While none of these new elements are active just yet, it is a good indication that it is likely on its way quite soon.

Siren Detection UI Removed

Code related to user-facing elements for siren detection has now been removed. We’ve confirmed that the orange dot is still in place with the Spring Update, but elements related to future changes and a UI for siren detection have since been removed from the code base.

Removals don’t indicate much - Tesla could be refactoring the code while they’re working on this or have changed directions on how to implement a future.

Insights into the New Dashcam Viewer

More significantly, for users on HW3, Green reported that the newly improved Dashcam Viewer isn’t just an improved version of the video viewer, but it was built from the ground up, and it’s now web-based. This technical detail explains why the updated viewer is only rolling out to AMD Ryzen vehicles and not older, Intel-based vehicles. HTML-based apps are often quicker to develop but usually require more resources to perform smoothly, which may be why we’re seeing the Ryzen infotainment system requirement.

This likely means that the new Dashcam Viewer won’t arrive on Intel vehicles in a future update unless Tesla can optimize the viewer enough to perform adequately on the older hardware.

HW3 vehicles already missed out on the new B-pillar recording feature. While Green thinks it’s technically possible to bring this feature to HW3 cars, unknown technical issues are likely preventing it. Older HW3 vehicles without a USB port in the glovebox only include USB 2 ports, limiting bandwidth, which could be one of the reasons, among others.

New Key Types

Perhaps a hint at Tesla’s third-party Robotaxi fleet ambitions, Tesla is building out new types of keys.

Rider Keys: These new keys appear to be designed to allow designated riders to access vehicles that are operating in “fleet mode.” This functionality sounds very much like what will be needed to allow Robotaxi customers to access a vehicle temporarily while they’re being given a ride.

Pre-Delivery Keys: Another new key type found is “pre-delivery.” While we don’t have an exact purpose nailed down quite yet, we’re assuming this could potentially allow new owners limited access to their vehicles for inspection prior to officially accepting delivery.

That’s plenty of interesting stuff found in the 2025 Spring Update - and we’re excited to see even more in just a few short weeks once Tesla launches their Robotaxi network in Austin.