KLAvs.Synopsys
KLAC vs SNPS · both in Semiconductor equipment & IP, part of the AI & digital infrastructure value chain: The machines and chip IP advanced semiconductor manufacturing cannot do without.
KLA is about 2.7× larger than Synopsys by market cap; KLA trades at the lower P/E (52.8 vs 88.6); year to date, KLA leads (+61.9% vs +6.0%).
Side by side
| KLAC | SNPS | |
|---|---|---|
| Market cap | $255B | $95.4B |
| Price | $195.57 | $509.99 |
| Today | −0.6% | +2.5% |
| Return YTD | +61.9% | +6.0% |
| Return 1Y | +85.1% | +1.7% |
| Since June 26, 2026 | −21.3% | +12.2% |
| P/E | 52.8 | 88.6 |
| P/S | 18.8 | 10.1 |
| P/B | 40.2 | 3.1 |
Data as of 2026-10-09 · 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
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 →SynopsysSNPS
Chips are designed and verified in Synopsys' EDA software, and much of the reusable silicon IP inside them is licensed from Synopsys too. With Cadence it forms a duopoly.
Full SNPS profile →More KLAC & SNPS comparisons
Other head-to-heads in the Semiconductor equipment & IP segment.