Monolithic Powervs.Micron
MPWR vs MU · both in Chips & accelerators, part of the AI & digital infrastructure value chain: Designs and builds the processors, accelerators and memory that train and run AI.
Micron is about 17× larger than Monolithic Power by market cap; Micron trades at the lower P/E (14.2 vs 87.1); year to date, Micron leads (+281.2% vs +57.3%).
Side by side
| MPWR | MU | |
|---|---|---|
| Market cap | $70.1B | $1.2T |
| Price | $1,369.80 | $1,035.84 |
| Today | −3.9% | −4.8% |
| Return YTD | +57.3% | +281.2% |
| Return 1Y | +50.8% | +485.9% |
| Since July 2, 2026 | +6.3% | +6.2% |
| P/E | 87.1 | 14.2 |
| P/S | 21.4 | 9.0 |
| P/B | 18.0 | 8.7 |
Data as of 2026-10-08 · updates daily after U.S. close
Since July 2, 2026: the change in the closing price from the first session with a close for both companies. Sectivia records these closes itself, starting June 26, 2026.
The two companies
Monolithic PowerMPWR
Everything here is power delivery: the chips and modules that feed processors in AI server racks, with cars and industrial equipment taking the same parts.
Full MPWR profile →MicronMU
America's only large memory manufacturer, third in HBM, selling DRAM and NAND broadly into data centres.
Full MU profile →More MPWR & MU comparisons
Other head-to-heads in the Chips & accelerators segment.