ARM vs MU
Arm Holdings plc and Micron Technology, both Technology
Micron Technology is the larger company at $1.3T against $469B. On trailing earnings MU is the cheaper of the two at a P/E of 21.5 against 296.5, a gap that is only a bargain if the two are growing at similar rates. Over the past year MU returned +776% against +86% for ARM. Ryufin's sector-relative Smart Score puts MU ahead, 9/10 against 5/10.
| Figure | ARM | MU |
|---|---|---|
| Last close | $252 | $952 |
| Market cap | $469B | $1.3T |
| Trailing P/Elower is cheaper for the same earnings, not automatically better | 296.5 | 21.5 |
| 1-year return | +86% | +776% |
| 5-year return | n/a | +1158% |
| Ryufin Smart Scoresector-relative, 1–10 | 5/10 | 9/10 |
Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.
Arm Holdings plc
Revenue of $1.5B in Q4 2026, net income $313M.
Micron Technology
Revenue of $41B in Q3 2026, net income $28B. Its largest reported line is CMBU, 33% of the disclosed total.
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