Is ONTO or SMCI cheaper?

On trailing earnings, SMCI is cheaper: ONTO trades at a 164.23 P/E and SMCI at 14.89.

Which has grown faster, ONTO or SMCI?

Over the past five years, SMCI grew revenue faster — ONTO at a 11.93% CAGR versus SMCI at 58.36%.

Is ONTO or SMCI more profitable?

ONTO runs the higher net margin — ONTO at 10.33% versus SMCI at 3.70%.

Which has been the better investment, ONTO or SMCI?

Over the past 10-year, ONTO delivered the higher annualized total return — ONTO at 33.06% versus SMCI at 27.71%. Past performance doesn't predict future results.

Onto Innovation Inc. (ONTO) vs Super Micro Computer, Inc. (SMCI)

SMCI leads on 11 of 14 compared metrics.

A side-by-side comparison of Onto Innovation Inc. and Super Micro Computer, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 30, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Super Micro Computer, Inc.

$18.21B

$28.15Technology

Total return — ONTO vs SMCI

growth of $100 · last 19y

ONTO +4761.0%SMCI +3113.5%ONTO compounded faster

ONTO SMCI

ONTO vs SMCI: by the numbers

•SMCI is the larger company ($18.21B vs $17.48B market cap).
•SMCI trades at the lower earnings multiple (14.89 vs 164.23 P/E).
•ONTO converts more revenue to profit (10.33% vs 3.70% net margin).
•SMCI grew revenue faster over the past five years (58.36% vs 11.93% CAGR).

Which is better, ONTO or SMCI?

Metric tally: ONTO 3 · SMCI 11

It depends on what you're optimizing for:

ValueSMCI(lower P/E)

GrowthSMCI(faster 5Y revenue CAGR)

QualitySMCI(higher ROIC)

Metrics side by side

Valuation

Metric	ONTO	SMCI
P/E ratio	164.23	14.89●
Forward P/E	—	10.84
P/S ratio	17.05	0.56●
P/B ratio	8.24	2.50●
PEG ratio	4.77	0.25●
EV / EBITDA	91.92	15.31●
FCF yield	1.36%	—

Profitability

Metric	ONTO	SMCI
Gross margin	48.80%●	8.39%
Operating margin	10.53%●	4.48%
Net margin	10.33%●	3.70%
ROE	4.99%	16.47%●
ROIC	5.18%	9.26%●

Growth (annualized)

Metric	ONTO	SMCI
Revenue CAGR (5Y)	11.93%	58.36%●
EPS CAGR (5Y)	34.40%	59.78%●
FCF CAGR (5Y)	11.03%	84.64%●
Total return CAGR (5Y)	36.77%	51.40%●

Frequently asked

Which is better, ONTO or SMCI?: It depends on your goal. value: SMCI (lower P/E); growth: SMCI (faster 5Y revenue CAGR); quality: SMCI (higher ROIC). Across all compared metrics, SMCI leads 11 to 3.
Is ONTO or SMCI cheaper?: On trailing earnings, SMCI is cheaper: ONTO trades at a 164.23 P/E and SMCI at 14.89.
Which has grown faster, ONTO or SMCI?: Over the past five years, SMCI grew revenue faster — ONTO at a 11.93% CAGR versus SMCI at 58.36%.
Is ONTO or SMCI more profitable?: ONTO runs the higher net margin — ONTO at 10.33% versus SMCI at 3.70%.
Which has been the better investment, ONTO or SMCI?: Over the past 10-year, ONTO delivered the higher annualized total return — ONTO at 33.06% versus SMCI at 27.71%. Past performance doesn't predict future results.

Go deeper

Full ONTO analysis Full SMCI analysis Interactive comparison tool

Dig into the metrics

Onto Innovation P/E ratio Super Micro Computer P/E ratio Onto Innovation dividend yield Super Micro Computer dividend yield Onto Innovation ROE Super Micro Computer ROE Onto Innovation operating margin Super Micro Computer operating margin Onto Innovation revenue growth Super Micro Computer revenue growth Onto Innovation free cash flow Super Micro Computer free cash flow

Onto Innovation & Super Micro Computer appear in these rankings

Fastest Revenue Growth Stocks Best 10-Year Total Return Stocks Lowest P/E Ratio Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified June 30, 2026.