AMKR vs KLAC: Amkor Technology and KLA compared
The short version
From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.
- KLA is the larger company, worth $24.3B, about 2.1 times Amkor Technology.
- Amkor Technology grew revenue faster over the last year (+27.5% vs +15.2%).
- On earnings, KLA is the cheaper stock (5.3x vs 26.6x).
- Amkor Technology's price assumes faster free cash flow growth: about 19% a year, against -10% for KLA (reverse DCF).
Side by side
The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.
| Measure | AMKR | KLAC |
|---|---|---|
| Market cap | $11.5B | $24.3B |
| Share price | $49.12 | $195.57 |
| Revenue (last fiscal year) | $6.7B | $13.6B |
| Free cash flow (last fiscal year) | $191M | $3.8B |
| Revenue growth, last year | +27.5% | +15.2% |
| Revenue growth per year, last 5 fiscal years | +2.2% | +10.2% |
| Operating margin | 7.6% | — |
| Net margin | 6.2% | 35.6% |
| Return on equity | 9.6% | 76.1% |
| P/E (trailing) | 26.6x | 5.26x |
| Price / free cash flow | 60.1x | 6.48x |
| EV / EBITDA | 10.2x | 6.39x |
| FCF growth the price implies | 19.5% | -10.3% |
| Dividend yield | 0.70% | 4.0% |
| Debt / equity | 0.82x | 1.83x |
| Fundamental grade | C | A |
| Superinvestors holding it | 3 | 7 |
| Insider purchases, last 12 months | 4 | 6 |
Results from SEC filings
Revenue and free cash flow by fiscal year, from each company's 10-K filings.
Amkor Technology
| Year | Revenue | Free cash flow | Op. margin |
|---|---|---|---|
| 2021 | $6.1B | $342M | 12.4% |
| 2022 | $7.1B | $190M | 12.7% |
| 2023 | $6.5B | $521M | 7.2% |
| 2024 | $6.3B | $345M | 6.9% |
| 2025 | $6.7B | $191M | 7.0% |
KLA
| Year | Revenue | Free cash flow | Op. margin |
|---|---|---|---|
| 2022 | $9.2B | $3.0B | — |
| 2023 | $10.5B | $3.3B | — |
| 2024 | $9.8B | $3.0B | — |
| 2025 | $12.2B | $3.7B | — |
| 2026 | $13.6B | $3.8B | — |
Where the revenue comes from
Amkor Technology · by products, 2025
Advanced Products$5.6B83%
Mainstream Products$1.2B17%
KLA · by segments, 2026
Semiconductor Process Control$12.2B90%
PCB and Component Inspection$750M6%
Specialty Semiconductor Process$584M4%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open AMKR in InvestinglyQuestions
Which is bigger, Amkor Technology or KLA?
KLA (KLAC), at $24.3B against $11.5B.
Is AMKR or KLAC cheaper?
By trailing P/E, KLA (5.26x) is cheaper than Amkor Technology (26.6x). A lower multiple can also mean the market expects less growth.
Which grows faster, AMKR or KLAC?
Amkor Technology: revenue grew +27.5% over the last year, against +15.2%.
Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.