Arm vs. Marvell Technology: Which AI Chip Stock Is a Better Buy in 2026?
2026-09-28 21:17
•Mike Schwenk •The Motley Fool
••••• •••••• Axe Cap view
Marvell or Arm: Which AI Chip Stock Suits 2026?
Marvell offers faster growth and cheaper valuation versus Arm’s dominance but at higher execution risks.
Arm dominates smartphone chips with over 99% market share and is pushing into data centers. It’s a solid company but trades at a sky-high forward price-to-earnings ratio of 123.7x, meaning investors are paying a steep premium for future growth. SoftBank holds over 86% of Arm’s shares, limiting outside influence, and with valuations this stretched, there’s limited upside from here. Marvell, on the other hand, is growing revenue much faster at 37% year on year. It trades cheaper at 58x forward P/E and benefits from a strategic tie-up with Google, though its reliance on a handful of customers adds risk. For South African investors, these valuations look rich when adjusted for the weaker rand. Marvell’s growth story is more appealing if you can stomach its customer concentration and execution risks. If global tech wanes or Google pulls back, Marvell could suffer sharp setbacks. this is just our opinion and not financial advice
I’d lean towards selective exposure to growth via Marvell through international ETFs or ADRs while avoiding Arm for now due to its stretched valuation and SoftBank’s control.
- USD/ZAR
- Marvell Technology
- Sustained global tech selloff
- Customer concentration risk at Marvell
6/10
The article compares Arm Holdings and Marvell Technology as AI chip stocks. Arm dominates smartphone processors with 99%+ market share and is expanding into data centers, but trades at a steep 123.7x forward P/E valuation with SoftBank controlling 86.4% of shares. Marvell grows faster (37% revenue growth) and trades at cheaper multiples (58x forward P/E), but faces customer concentration risk with its top 10 customers representing 82% of revenue. The author recommends Marvell as the better buy for growth-focused investors despite higher execution risks.
Our take is based on reporting first published by The Motley Fool.