Arm vs. Marvell Technology: Which AI Chip Stock Is a Better Buy in 2026?

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.