Navitas vs. onsemi: Which Stock Looks Stronger in the AI Power Infrastructure Race?
Navitas vs. onsemi: Which Stock Looks Stronger in the AI Power Infrastructure Race?
Navitas Semiconductor and onsemi are becoming important names in the fast-growing AI power infrastructure market. As artificial intelligence data centers demand more electricity, higher efficiency, and better thermal performance, investors are looking beyond GPUs and focusing on power chips.
AI Data Centers Are Creating a New Power Challenge
AI servers use massive amounts of power. That power must move from the grid to server racks, GPUs, processors, and cooling systems with as little waste as possible. This is why advanced power semiconductors such as gallium nitride and silicon carbide are gaining attention.
onsemi says AI data centers need higher rack power density and more efficient power conversion, especially as the industry moves toward 800V high-voltage DC systems. Its portfolio includes EliteSiC, GaN, MOSFETs, smart fuses, and point-of-load power products for next-generation AI server architectures.
Navitas Semiconductor: A Smaller, High-Growth AI Power Bet
Navitas is a pure-play power semiconductor company focused on GaN and SiC technologies. The company has positioned itself as a specialist in high-efficiency power chips for AI data centers, EVs, solar, industrial systems, and fast chargers.
The company has highlighted an 8.5kW AI data center power supply using GaNFast and GeneSiC technologies. Navitas says this design can reach 98% efficiency and is aimed at AI and hyperscale data center power needs.
Navitas also believes GaN and SiC can support a major increase in server rack power capacity for AI data centers. In its 2025 financial update, the company estimated a $2.6 billion market opportunity by 2030 for AI data center and related energy infrastructure applications.
onsemi: A Larger, More Established Power Semiconductor Player
onsemi is a much larger and more diversified chip company. It already serves automotive, industrial, cloud, computing, and energy markets. This gives onsemi a stronger revenue base and a broader customer network than Navitas.
The company has also been moving deeper into AI infrastructure. onsemi announced a collaboration with NVIDIA to accelerate the transition to 800VDC power solutions for next-generation AI data centers. The goal is to improve efficiency and power density for large-scale AI systems.
Reuters has reported that onsemi is using silicon carbide chips to improve AI data center power efficiency, as electricity losses and cooling costs are major challenges for cloud operators.
Stock Comparison: Growth vs. Stability
As of the latest market data, Navitas traded around $24.29 with a market value near $5.59 billion, while onsemi traded around $107.69 with a market value near $42.38 billion. Navitas had negative earnings per share, while onsemi remained profitable.
This makes the comparison clear. Navitas offers higher upside but also higher risk. It is smaller, more focused, and more sensitive to AI infrastructure news. If its GaN and SiC products gain large-scale adoption, the stock could benefit strongly.
onsemi offers more balance. It has an established business, larger revenue base, and broader product portfolio. Its AI power business may grow steadily, but the stock may not move as dramatically as Navitas because onsemi is already a mature company.
Which Stock Wins the AI Power Infrastructure Race?
For aggressive investors, Navitas may be the more exciting AI power infrastructure stock. Its focus on GaN and SiC power solutions gives it strong exposure to a fast-growing niche. However, the company still needs to prove it can turn innovation into consistent revenue and profit.
For more conservative investors, onsemi looks stronger. It combines AI data center exposure with financial scale, existing customers, and a proven semiconductor business. Its collaboration with NVIDIA and broad power portfolio make it a serious contender in the 800V AI infrastructure shift.
Final Takeaway
The AI boom is no longer just about processors and memory chips. Power delivery is becoming a critical part of the AI infrastructure race. Navitas may offer greater upside, but onsemi appears to be the safer and more established choice.
Overall, onsemi looks like the stronger stock for stability, while Navitas looks like the bolder growth bet. Investors should watch revenue growth, AI data center design wins, profitability, and partnerships before deciding which stock fits their risk level.
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