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Tesla Model S, X MCU controlled test shows new media control unit is 2x faster
Tesla’s new Media Control Unit for the Model S and Model X was recently put through a controlled test against the company’s old MCU. The video, recently uploaded by My Tesla Adventure on YouTube, showed that the new MCU was around twice as fast as the NVIDIA Tegra-3-powered units on Tesla’s older vehicles.
The controlled test covered four different features of the media control unit — destination navigation, vector map responsiveness, dash navigation button speed, and of course, the built-in web browser. Both vehicles were hooked up to the same Wi-Fi network, putting the electric cars on even ground.
The first test involved destination navigation, with the Tesla enthusiast instructing both cars to navigate to Tesla’s delivery center in Marina Del Rey, CA. The new MCU was able to calculate the route, suggest charging stops, and set the destination in 9.27 seconds. The older MCU unit displayed the same data in 20.73 seconds.
Zooming in and out of the electric cars’ vector maps was roughly twice as fast in the newer MCU, with the newer unit being able to zoom out to the US map and zoom in back to the vehicle’s location in 27.97 seconds. The older MCU took 54.59 seconds to accomplish this task. My Tesla Adventure, however, noted that the true difference-maker with the old and new MCUs was the responsiveness of the updated media control unit.
“When testing the manual map navigation with vectoring, I noticed that it was hard to navigate with the old MCU because of the delay in response times from my finger inputs and the responsiveness of the screen. So it resulted in me kind of sliding all over the place on the map and going to places I didn’t intend to go.”
The difference in the old and new MCU’s speed when navigating through the dash buttons was less prominent. As could be seen in the video, the new unit was slightly faster than the new MCU, but the older media control unit was still fast and responsive. The cars’ web browser, however, showed the biggest difference in performance and speed. Loading Tesla.com from Google.com took the new MCU 12.10 seconds. The older media control unit, however, took a whopping 48.32 seconds before it was able to load the official Tesla website.
As we previously noted in a report, a Tesla spokesperson has confirmed with Teslarati that hardware changes to the onboard displays of Model S and Model X vehicles have been initiated by the company as part of Tesla’s continuous effort to introduce hardware and software improvements to its fleet over time.
The improvements to the car’s internet browser are quite noteworthy, especially since it has been teased by Elon Musk in the past. Back in December, Musk admitted that the Model S and X’s browsers were indeed “terrible,” and assured the Tesla community that “major browser upgrades” would be rolled out to the company’s fleet of vehicles in a few months.
Watch the controlled test of Tesla’s old and new MCUs below.
Elon Musk
Tesla doubles down on Robotaxi launch date, putting a big bet on its timeline
Tesla continues to double down on its June goal to launch the Robotaxi ride-hailing platform.

Tesla has doubled down on its potential launch date for the Robotaxi ride-hailing platform, which will utilize the Cybercab and other vehicles in its lineup to offer driverless rides in Austin, Texas.
Tesla said earlier this year that it was in talks with the City of Austin to launch its first Robotaxi rides, and it planned to launch the platform in June.
This has been a widely discussed timeline in the community, with some confident in the company’s ability to offer it based on the progress of the Full Self-Driving suite.
However, others are skeptical of it based on Tesla’s history of meeting timelines, especially regarding its rollout of FSD.
Nevertheless, Tesla was asked when it would be able to offer Robotaxi rides and where, and it clearly is not backing down from that June date:
In Austin, 🔜
— Tesla (@Tesla) April 18, 2025
It is getting to a point where Tesla is showing incredible confidence regarding the rollout of the Robotaxi in June. We have not seen this kind of reiteration regarding the rollout of something regarding autonomy from Tesla at any point in the past.
CEO Elon Musk has even been increasingly confident that Tesla will meet its target. Earlier this week, he said the vehicles will be able to roll off production lines and drive themselves straight to a customer’s house:
Elon Musk continues to push optimistic goal for Tesla Full Self-Driving
There could be some discussion of an acceptable grace period, as the timeline for the Robotaxi rollout could still be considered a success, even if it were a month or two late. However, if it were pushed back further into 2025 or even 2026, skepticism regarding these timelines would continue to persist.
As of right now, it seems Tesla is extremely confident it will meet its goal.
Elon Musk
Tesla Semi fleet from Frito-Lay gets more charging at Bakersfield factory

Among the several companies that have had the opportunity to add Tesla Semi all-electric Class 8 trucks to their fleets earlier than others, the most notable is arguably Frito-Lay, which has utilized the vehicle for a couple of years now.
However, as their fleet is making more local runs and there are undoubtedly plans to expand to more Semi units, the company has recognized it needs additional Megachargers to give juice to their trucks.
As a result, Frit-Lay decided to build more chargers at their Bakersfield, California facility, according to new permits filed by Tesla:
🚨 Frito-Lay is building an 8-stall Megacharger array at its factory in Bakersfield, California https://t.co/qARfJjogXF pic.twitter.com/gvorIVxsoc
— TESLARATI (@Teslarati) April 18, 2025
There are already chargers at the company’s Modesto, California, factory, but Bakersfield is roughly three hours south of Modesto.
Interestingly, Tesla is calling the chargers “Semi Chargers” in the filing, potentially hinting that it is no longer referring to them as “Megachargers,” as they have been in the past. This is a relatively minor detail, but it is worth taking note of.
In 2022, Frito-Lay began installing these chargers in preparation for the Semi to become one of the company’s main logistics tools for deliveries in California and surrounding states.
Frito-Lay is not the only company that has chosen to utilize the Tesla Semi for these early “pilot” runs. PepsiCo has also been a company that has used the Semi very publicly over the past two years.
Additionally, the Tesla Semi participated in the Run on Less EV trucking study back in late 2023, where it managed to complete a 1,000-mile run in a single day:
Tesla Semi logs 1,000-mile day in Run on Less EV trucking study
Tesla is planning to ramp production of the Semi late this year. On the Q4 2024 Earnings Call, VP of Vehicle Engineering Lars Moravy said the company would be focusing on the first builds of the Semi’s high-volume design late this year before ramping production in the early portion of 2026:
“We just closed out the Semi factory roof and walls last week in Reno, a schedule which is great with the weather. In Reno, you never know what’s going to happen. But we’re prepping for mechanical installation of all the equipment in the coming months. The first builds of the high-volume Semi design will come late this year in 2025 and begin ramping early in 2026.”
Tesla will build these units at a new Semi production facility located in Reno near its Gigafactory. The company is getting closer to finishing construction, as a drone video from this morning showed the facility is coming along at a good pace:
🚨Tesla Semi factory progress update: pic.twitter.com/dlzIjKwfT3
— TESLARATI (@Teslarati) April 18, 2025
News
Tesla Cybercab no longer using chase vehicles in Giga Texas
Elon Musk expects Tesla to produce about 2 million Cybercab units per year.

The Tesla Cybercab is the company’s first vehicle that is designed solely for autonomous driving. And while the spacious two-seater is expected to start volume production in 2026, the vehicle’s development seems to be moving at a steady pace.
This was hinted at in recent images taken by a longtime Tesla watcher at the Giga Texas complex.
Tesla Cybercab Production
The Cybercab will likely be Tesla’s highest volume vehicle, with CEO Elon Musk stating during the company’s Q1 2025 All-Hands meeting that the robotaxi’s production line will resemble a high-speed consumer electronics line. Part of this is due to Tesla’s unboxed process, which should make the Cybercab easy to produce.
Elon Musk expects Tesla to produce about 2 million Cybercabs per year. And while the vehicle is expected to see volume production at Giga Texas next year, the CEO noted that the vehicle will be manufactured in more than one facility when it is fully ramped.
No More Chase Cars
While the Cybercab is not yet being produced, Tesla is evidently busy testing the vehicle’s fully autonomous driving system. This could be hinted at by the Cybercabs that have been spotted around the Giga Texas complex over the past months. Following last year’s We, Robot event, drone operators such as longtime Tesla watcher Joe Tegtmeyer have spotted Cybercabs being tested around the Giga Texas complex.
At the time, videos from Giga Texas showed that the driverless Cybercabs were always accompanied by a manually driven Model 3 validation chase car. This was understandable considering that the Giga Texas complex features pedestrians, other cars, and construction areas. As per the drone operator in a recent post on social media platform X, however, Tesla seems to have stopped using chase cars for its Cybercab tests a few weeks ago.
Aggressive Tints
The reasons behind this alleged update are up for speculation, though it would not be surprising if the Cybercab’s autonomous driving system could now safely navigate the Gigafactory Texas complex on its own. Interestingly enough, the Cybercabs that were recently photographed by the drone operator featured very aggressive tint, making it almost impossible to make out the interior of the robotaxi.
This is quite interesting as other Cybercabs that have been spotted around Giga Texas were only equipped with semi-dark tints. One such vehicle that was spotted in February was even speculated to be fitted with an apparent steering wheel.
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