Monolithic Powervs.Seagate
MPWR vs STX · 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.
Seagate is about 3.0× larger than Monolithic Power by market cap; Seagate trades at the lower P/E (65.6 vs 86.8); year to date, Seagate leads (+188.6% vs +41.8%).
Side by side
| MPWR | STX | |
|---|---|---|
| Market cap | $69.8B | $209B |
| Price | $1,304.15 | $821.67 |
| Today | +1.5% | +3.4% |
| Return YTD | +41.8% | +188.6% |
| Return 1Y | +52.3% | +399.1% |
| P/E | 86.8 | 65.6 |
| P/S | 21.3 | 17.1 |
| P/B | 17.9 | 96.4 |
Data as of 2026-08-26 · updates daily after U.S. close
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 →SeagateSTX
No one ships more hard drives. The HAMR-based Mozaic platform lifts capacity per drive sharply as cloud and AI data pile up.
Full STX profile →More MPWR & STX comparisons
Other head-to-heads in the Chips & accelerators segment.
See where MPWR and STX sit in the full AI & digital infrastructure map: every segment from suppliers to end markets.Open the AI value chain →