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Power Integrations vs Ambarella: POWI and AMBA compared
Power Integrations is the larger company: $125M of revenue in its latest quarter (Q3 2026) against $108M for Ambarella (Q2 FY27). Ambarella is growing faster (+13% against +6% a year earlier). Power Integrations is more profitable, with an operating margin of 15.2% against -7.5%.
Where the money goes: POWI and AMBA
Power Integrations (POWI) · Q3 2026
Power Integrations, Q3 2026: revenue $125M (+6% year over year), operating margin 15.2%, net earnings $18.3M, operating cash flow $42.6M. The chart follows the revenue to costs, profit and cash.
Ambarella (AMBA) · Q2 FY27
Ambarella, Q2 FY27: revenue $108M (+13% year over year), operating margin -7.5%, net loss $6.7M, operating cash flow −$260K. The chart follows the revenue to costs, profit and cash.
| Power Integrations (POWI) | Ambarella (AMBA) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q2 FY27 |
| Revenue | $125M | $108M |
| Revenue growth, Y/Y | +6% | +13% |
| Gross margin | 55.6% | — |
| Operating margin | 15.2% | -7.5% |
| Net earnings | $18.3M | −$6.7M |
| Net margin | 14.6% | -6.2% |
| Operating cash flow | $42.6M | −$260K |
| Free cash flow | $36.5M | — |
| Market value | $2.7B | — |
| P/E | 106.6× | — |
| Analysts’ mean target | $60.67 | — |
Questions
Which is bigger, Power Integrations or Ambarella?
Power Integrations is the larger company: $125M of revenue in its latest quarter (Q3 2026) against $108M for Ambarella (Q2 FY27).
Is Power Integrations or Ambarella growing faster?
Ambarella is growing faster (+13% against +6% a year earlier).
Which is more profitable, Power Integrations or Ambarella?
Power Integrations is more profitable, with an operating margin of 15.2% against -7.5%.
More: Power Integrations earnings · how Power Integrations makes money · Ambarella earnings · how Ambarella makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 5, 2026; 10-Q filed Sep 4, 2026). Fiscal quarters can end on different dates. Not investment advice.