IMOS vs UMC
ChipMOS Technologies Inc. and United Microelectronics Corporation, side by side — 10 fiscal years reported in TWD, drawn from SEC filings.
At a glance
Most recent reported year
| Metric | IMOS | UMC |
|---|---|---|
| Revenue | TWD 22.7B | TWD 232.3B |
| Net income | TWD 1.4B | TWD 48.8B |
| Gross margin | 13.0% | 32.6% |
| Net margin | 6.3% | 21.0% |
| Return on equity | — | 13.8% |
| Diluted EPS | — | TWD 3.94 |
| Dividend / share | TWD 2.20 | TWD 3.00 |
| Payout ratio | 90.9% | 77.1% |
| Free cash flow | TWD 859.4M | TWD 5.3B |
| Equity | — | TWD 365.5B |
| Net debt / equity | — | — |
| Current ratio | 2.71× | 2.45× |
| Revenue CAGR 5y | 2.2% | 9.4% |
| Profit CAGR 5y | −10.5% | 43.0% |
UMC bills 10.2× the revenue of IMOS, and keeps more of each dollar of revenue as profit (21.0% against 6.3%).
The stronger figure of the pair is set in bold. That is arithmetic, not a recommendation — this page does not pick a winner.
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Revenue by year
10 years side by side
| Fiscal year | IMOS | UMC |
|---|---|---|
| FY2024 | TWD 22.7B | TWD 232.3B |
| FY2023 | TWD 21.4B | TWD 222.5B |
| FY2022 | TWD 23.5B | TWD 278.7B |
| FY2021 | TWD 27.4B | TWD 213.0B |
| FY2020 | TWD 23.0B | TWD 176.8B |
| FY2019 | TWD 20.3B | TWD 148.2B |
| FY2018 | TWD 18.5B | TWD 151.3B |
| FY2017 | TWD 17.9B | TWD 149.3B |
| FY2016 | TWD 18.4B | TWD 147.9B |
| FY2015 | TWD 18.8B | TWD 144.8B |
Net income by year
Bottom line
| Fiscal year | IMOS | UMC |
|---|---|---|
| FY2024 | TWD 1.4B | TWD 48.8B |
| FY2023 | TWD 2.0B | TWD 59.7B |
| FY2022 | TWD 3.4B | TWD 89.5B |
| FY2021 | TWD 4.9B | TWD 51.2B |
| FY2020 | TWD 2.4B | TWD 22.9B |
| FY2019 | TWD 2.5B | TWD 8.2B |
| FY2018 | TWD 1.3B | TWD 7.7B |
| FY2017 | TWD 2.8B | TWD 9.7B |
| FY2016 | TWD 1.4B | TWD 8.6B |
| FY2015 | TWD 1.8B | TWD 13.3B |
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