A Major Connectivity Upgrade
Tesla is upgrading its next-gen vehicles with a powerful new communication backbone. According to industry reports, Samsung will supply 5G modem chips for Tesla vehicles beginning this year. The first wave of modems will power Tesla’s upcoming Robotaxi fleet in Texas, with wider rollout planned for other models like the Model 3 and Model Y.
This marks a key shift in Tesla’s supply chain. Until now, the company relied almost entirely on Qualcomm for in-car connectivity. Now, Samsung steps in as a critical second supplier—just as Tesla gears up for massive fleet deployment and full autonomy.
Why 5G Modems Matter for Tesla
These 5G chips will do more than deliver faster streaming or navigation—they’ll act as the digital lifeline for Tesla vehicles. Real-time cloud updates, fleet coordination, mapping, diagnostics, and over-the-air (OTA) software updates all rely on strong, uninterrupted connectivity.
In autonomous vehicles especially, this connection is essential. Tesla’s Robotaxis will constantly interact with Tesla servers to sync maps, report diagnostics, and share real-time road data—allowing the system to improve continuously.
A Strategic Shift in Tesla’s Supply Chain
By choosing Samsung as a 5G modem supplier, Tesla is expanding its supplier network at a crucial time. As demand for connected and autonomous vehicles rises, reliability, volume capacity, and long-term partnerships become more important than ever.
Bringing in a second major chip supplier also reduces Tesla’s dependency on a single source, giving the company more flexibility as it scales globally. For Samsung, this partnership marks a major step into the high-stakes world of automotive tech—one where performance and endurance matter just as much as speed.
Built for the Long Haul
Unlike mobile phones, vehicles face tougher demands. Tesla’s modems must perform flawlessly across extreme temperatures, handle nonstop vibration, and remain operational for over a decade.
To meet these challenges, Samsung’s System LSI division developed a custom automotive-grade modem. The chip is currently in final testing before moving into volume production in early 2026.
What’s Next
After its debut in Robotaxis, the same Samsung modem platform will likely make its way into Tesla’s broader lineup. The move diversifies Tesla’s tech supply chain and strengthens its push toward fully connected, autonomous mobility.

