Monolithic Powervs.ON Semiconductor
MPWR vs ON · 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.
Monolithic Power is about 1.8× larger than ON Semiconductor by market cap; ON Semiconductor trades at the lower P/E (65.6 vs 97.6); year to date, ON Semiconductor leads (+77.2% vs +49.2%).
Side by side
| MPWR | ON | |
|---|---|---|
| Market cap | $66.5B | $37.6B |
| Price | $1,352.74 | $95.96 |
| Today | −1.6% | −2.0% |
| Return YTD | +49.2% | +77.2% |
| Return 1Y | +82.7% | +61.2% |
| P/E | 97.6 | 65.6 |
| P/S | 22.5 | 6.2 |
| P/B | 18.1 | 5.2 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
Monolithic PowerMPWR
Analog power-management chips that control power delivery in AI servers, data centers, cars and industry — a critical part of modern AI racks.
Full MPWR profile →ON SemiconductorON
Power and sensor semiconductors for EVs, renewable energy and industrial automation.
Full ON profile →More comparisons in Chips & accelerators
See where MPWR and ON sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →