Ambarella, Inc. (AMBA) vs Digi International Inc. (DGII)

A side-by-side comparison of Ambarella, Inc. and Digi International Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 5, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total return — AMBA vs DGII

growth of $100 · dividends reinvested · last 10y
AMBA -2.3% (-0.2%/yr)DGII +542.2% (+20.4%/yr)DGII compounded faster over this window
Log scale — wide-divergence pair
101001kStart $10020182020202220242026$98$642
AMBA DGII

AMBA vs DGII: by the numbers

  • •AMBA is the larger company ($3.00B vs $2.80B market cap).
  • •DGII is profitable (9.63% net margin) while AMBA runs a net loss (-13.48%).
  • •DGII grew revenue faster over the past five years (10.83% vs 9.31% CAGR).

Metrics side by side

Valuation

MetricAMBADGII
P/E ratioN/A58.90
Forward P/E85.1123.69
PEG ratioN/A1.90
P/S ratio7.185.53
P/B ratio4.844.08
EV / EBITDAN/A21.47
FCF yield0.30%4.83%

Profitability

MetricAMBADGII
Gross margin58.29%63.82%
Operating margin-14.32%13.94%
Net margin-13.48%9.63%
ROE-9.08%7.11%
ROIC-9.32%6.57%

Growth (annualized)

MetricAMBADGII
Revenue CAGR (5Y)9.31%10.83%
EPS CAGR (5Y)N/A30.56%
FCF CAGR (5Y)17.54%19.46%
Total return CAGR (5Y)-14.63%28.72%

Frequently asked

Which has grown faster, AMBA or DGII?
Over the past five years, DGII grew revenue faster — AMBA at a 9.31% CAGR versus DGII at 10.83%.
Is AMBA or DGII more profitable?
DGII runs the higher net margin — AMBA at -13.48% versus DGII at 9.63%.
How have AMBA and DGII total returns compared?
Over the past 10 years, AMBA delivered -0.61% and DGII delivered 20.39% annualized total return. Past performance doesn't predict future results.

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 October 5, 2026.