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Tesla Model S/X gets updated MCU for faster, more responsive touchscreen display

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Tesla is reportedly using an improved MCU on newer versions of the Model S and X, replacing the aging NVIDIA Tegra-3 chip on the flagship sedan and SUV with a more powerful x86_64 processor. As could be seen in a side-by-side video comparing the performance and speed of the old and new media control unit, the updated hardware provides a smoother, faster, and more responsive experience on the Model S and X’s touchscreen.

The speed and fluidity, or lack thereof, of the Model S and X’s MCU has been a pain point for Tesla owners for a while, considering that the vehicles were equipped with 2011-era NVIDIA Tegra-3 chips. The shortcomings on the Model S and X’s interface became even more prominent when Tesla began switching from NVIDIA to Intel hardware to power its infotainment system, as evident on Model 3’s far more responsive touchscreen.

A Tesla spokesperson has confirmed with Teslarati that the company has recently introduced hardware changes to the onboard displays on the Model S and Model X. The update is part of the company’s overall initiative to introduce minor hardware changes and over-the-air software updates over time to continuously improve upon its vehicles. The latest update, unrelated to Autopilot, should not dramatically affect the user experience. Still, some new Tesla owners are reporting noticeable improvements in the browsing experience on the vehicle’s 17-inch touchscreen.

As could be seen in a recent collaboration video uploaded by YouTube’s My Tesla Adventure, the display of a recently-manufactured Model S seems to be on par with the speed and fluidity of the Model 3’s center touchscreen. In the side-by-side video, the Model S, which is equipped with an older Tegra-powered MCU, could be seen loading information a few seconds slower than the newer car. The touch panel on the newer Model S is also very vibrant, with the display featuring accurate color reproduction. A screenshot of the CPU information in the newer car also includes references to an x86_64 processor, something that is absent on older vehicles. 

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A screenshot of the MCU from a new Model S showing references to an X86_64 chip. [Credit: MaxKW/Reddit]

Apart from a smoother user experience, the Model S and X’s upgraded MCU also features a pleasant surprise — a usable web browser. As could be seen in a brief test by Model S owner and r/TeslaMotors member u/MaxKW, the browser on his Model S is actually usable. It’s still not on par with the speed of mobile devices like smartphones and tablets, but the internet browser is already far more useful than the web explorer installed in older cars.

An enhanced browser for the Model S and X was teased by Elon Musk in a tweet back in December. As we noted in a previous report, Musk, who was responding to one of his followers on Twitter, admitted that the browser on the Model S and X was “terrible.” He did, however, assure his followers that major upgrades for the web explorer would be rolling out “in a few months.”

“Yeah, it’s terrible. Had to upgrade old Linux OS and a bunch of drivers first. Major browser upgrades coming to all cars in a few months. Note, will be slower at first until code is optimized.”

Watch the side-by-side comparison of the old and new MCU for the Model S and X in the video below.

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Simon is an experienced automotive reporter with a passion for electric cars and clean energy. Fascinated by the world envisioned by Elon Musk, he hopes to make it to Mars (at least as a tourist) someday. For stories or tips--or even to just say a simple hello--send a message to his email, simon@teslarati.com or his handle on X, @ResidentSponge.

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Elon Musk

NASA’s first human outpost on the Moon starts now – SpaceX on deck

NASA named the rovers, landers, and vendors that will build America’s first Moon Base.

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NASA has laid out its most detailed Moon Base plan to date, describing a permanent outpost near the Moon’s south pole that the agency intends to build over the coming decade as a direct stepping stone to Mars. “The Moon Base will be America’s and humanity’s first outpost on another celestial world,” NASA Administrator Jared Isaacman said, adding that every mission crewed and uncrewed “will be a learning opportunity as we return to the lunar surface, build the infrastructure to stay, and master the skills required to live and operate in one of the most demanding and dangerous environments imaginable.”

The plan is structured in three phases involving both uncrewed and crewed missions to deliver equipment, vehicles, and infrastructure to the surface, with the first three moon base missions targeted to launch before the end of 2026.

Moon Base I, targeting fall 2026, will use Blue Origin’s Blue Moon Mark 1 lander to deliver scientific instruments to the Shackleton Connecting Ridge, the same region where Artemis astronauts will land. Moon Base II will send Astrobotic’s Griffin lander carrying more than 1,100 pounds of cargo including Astrolab’s FLIP rover to begin developing mobility systems on the surface. Moon Base III will carry the Lunar Vertex science mission on Intuitive Machines’ Nova-C Trinity lander to study lunar swirls near the south pole, with ESA and Korean science payloads aboard.

Elon Musk pivots SpaceX plans to Moon base before Mars

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On the rover side, NASA awarded Astrolab $219 million and Lunar Outpost $220 million to build the first phase of Lunar Terrain Vehicles, with both rovers targeted for deployment to the lunar surface by 2028. Astrolab’s crewed rover weighs roughly 2,000 pounds and can reach over 6 mph. Lunar Outpost’s Pegasus rover can operate autonomously or via remote control at over 9 mph. Blue Origin separately received $188 million with an option worth $280.4 million to deliver cargo landers for rover transport.

NASA also confirmed that MoonFall, a mission deploying four survey drones to scout Artemis landing sites, has selected Firefly Aerospace to build the transport spacecraft, with a 2028 launch target.

SpaceX sits at the center of that commercial layer. SpaceX holds the NASA Human Landing System contract for the Starship-derived lander that will put astronauts on the surface under Artemis IV, currently targeting 2028. Before that can happen, SpaceX must demonstrate in-orbit propellant transfer at scale, a process requiring multiple Starship tanker launches to fuel a single mission. Water ice at the lunar south pole is central to the base’s long-term viability, as it can be converted into drinking water, breathable oxygen, and rocket fuel, directly reducing dependence on Earth resupply. That resource loop becomes far more practical if Starship can land and be refueled on or near the Moon itself.

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Elon Musk has publicly stated that Starship V3, which recently completed its first flight, should be capable enough for initial Mars missions. The Moon Base plan announced Tuesday is the infrastructure layer that connects everything between those two ambitions, and SpaceX is the only American company currently contracted to build the rocket that gets humans to either destination.

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Tesla ditches India after years of broken promises

Tesla has ditched its plans to build a factory in India after years of failed negotiations.

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Tesla’s long-running effort to establish a manufacturing presence in India is officially over. India’s Minister of Heavy Industries H.D. Kumaraswamy confirmed on May 19, 2026 that Tesla has informed authorities it will not proceed with a manufacturing facility in the country.

Tesla first signaled serious interest in India around 2021, when it began hiring local staff and lobbying the Indian government for lower import tariffs. The ask was straightforward: reduce duties enough for Tesla to test the market with imported vehicles before committing capital to a local factory. India’s position was equally firm, with an ask of Tesla to commit to manufacturing first, then receive tariff relief. Neither side moved, and the talks quietly collapsed.

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India had offered a policy that would reduce import duties from 110% down to 15% on EVs priced above $35,000, provided companies committed at least $500 million toward local manufacturing investment within three years. Tesla declined to participate. The tariff standoff was only part of the problem. Analysts pointed to significant gaps in India’s local supply chain, inadequate industrial infrastructure, and a mismatch between Tesla’s premium pricing and the purchasing power of India’s automotive market as additional factors that made the investment difficult to justify.

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First signs of an unraveling relationship came in April 2024, when Musk abruptly cancelled a planned trip to India where he was set to meet Prime Minister Modi and announce Tesla’s market entry. By July 2024, Fortune reported that Tesla executives had stopped contacting Indian government officials entirely. The government at that point understood Tesla had capital constraints and no plans to invest.

The more fundamental issue is that Tesla’s existing factories are currently operating at approximately 60% capacity, making a commitment to building new manufacturing capacity in a new market difficult to defend to investors. Tesla will continue selling imported Model Y vehicles through its existing showrooms in Mumbai, Delhi, Gurugram, and Bengaluru, but local production is no longer part of the plan.

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Trump’s invite for Elon just reshuffled Tesla’s big Signature Delivery Event

Tesla rescheduled its final Model S farewell to May 20 after Musk joined Trump in China.

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Tesla has rescheduled its Model S and Model X Signature Edition delivery event to Wednesday, May 20, 2026, after abruptly calling off the original May 12 celebration. The event will take place at Tesla’s factory at 45500 Fremont Boulevard in Fremont, California, the same location where the Model S first rolled off the line in 2012. Invitees received a follow-up email asking them to reconfirm attendance and download a new QR code ticket, with Tesla noting that all travel and accommodation expenses remain the buyer’s responsibility.

The reason behind the original cancellation came into focus the same day it was announced. President Trump invited Elon Musk, Apple’s Tim Cook, BlackRock’s Larry Fink, Boeing’s Kelly Ortberg, and executives from Goldman Sachs, Blackstone, Citigroup, and Meta to join his trip to China this week for a summit with President Xi Jinping. The agenda covers trade, artificial intelligence, export controls, Taiwan, and the Iran war, following weeks of escalating friction between Washington and Beijing over AI technology, sanctions, and rare earth exports. Trump wrote on Truth Social, “I am very much looking forward to my trip to China, an amazing Country, with a Leader, President Xi, respected by all.”

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The vehicles at the center of all this are the last Model S and Model X units Tesla will ever build. Priced at $159,420 each, the 250 Model S and 100 Model X Signature Edition units come finished in Garnet Red with a one-year no-resale agreement, giving Tesla right of first refusal if the owner decides to sell. As Teslarati reported, the Model S defined Tesla’s early identity as a serious luxury automaker, and the Fremont factory line that built it is now being converted to manufacture Optimus humanoid robots.

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Musk’s inclusion in the China delegation drew attention given his very public relationship with Trump, and the invitation signals the two have moved past and past grievances. Trump originally brought Musk on to lead the Department of Government Efficiency following his inauguration, and despite a sharp public dispute in mid-2025, the two have appeared together repeatedly in recent months. A seat on the China trip, the most diplomatically consequential visit of Trump’s current term, puts Musk back at the table on U.S. economic policy at a moment when Tesla’s China revenue remains one of the company’s most important financial pillars.

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