Applied Materialsvs.KLA
AMAT vs KLAC · both in Semiconductor equipment & IP, part of the AI & digital infrastructure value chain: The machines and chip IP advanced semiconductor manufacturing cannot do without.
Applied Materials is about 1.6× larger than KLA by market cap; Applied Materials trades at the lower P/E (44.6 vs 52.9); year to date, Applied Materials leads (+102.6% vs +62.0%).
Side by side
| AMAT | KLAC | |
|---|---|---|
| Market cap | $413B | $256B |
| Price | $509.57 | $196.72 |
| Today | −2.1% | −0.1% |
| Return YTD | +102.6% | +62.0% |
| Return 1Y | +146.1% | +81.5% |
| Since June 26, 2026 | −18.7% | −20.9% |
| P/E | 44.6 | 52.9 |
| P/S | 13.4 | 18.8 |
| P/B | 16.1 | 40.3 |
Data as of 2026-10-08 · updates daily after U.S. close
Since June 26, 2026: the change in the closing price, from the daily closes Sectivia records itself since that date.
The two companies
Applied MaterialsAMAT
Applied Materials covers more steps of chipmaking than any other equipment vendor: deposition, etch, implantation, inspection, and the packaging tools that stack AI chips.
Full AMAT profile →KLAKLAC
Finding a defect a few nanometres across is its own industry, and KLA dominates it. Its inspection systems and yield software show a fab what is going wrong.
Full KLAC profile →More AMAT & KLAC comparisons
Other head-to-heads in the Semiconductor equipment & IP segment.