ON Semiconductorvs.Western Digital
ON vs WDC · 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.
Western Digital is about 4.8× larger than ON Semiconductor by market cap; Western Digital trades at the lower P/E (27.7 vs 65.6); year to date, Western Digital leads (+238.2% vs +77.2%).
Side by side
| ON | WDC | |
|---|---|---|
| Market cap | $37.6B | $181B |
| Price | $95.96 | $582.59 |
| Today | −2.0% | +0.8% |
| Return YTD | +77.2% | +238.2% |
| Return 1Y | +61.2% | +795.5% |
| P/E | 65.6 | 27.7 |
| P/S | 6.2 | 15.3 |
| P/B | 5.2 | 18.7 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
ON SemiconductorON
Power and sensor semiconductors for EVs, renewable energy and industrial automation.
Full ON profile →Western DigitalWDC
Manufacturer of hard drives for data centers. AI is creating record demand for massive, low-cost storage of training data.
Full WDC profile →More comparisons in Chips & accelerators
See where ON and WDC sit in the full AI & digital infrastructure map — every segment from suppliers to end markets.Open the AI value chain →