Aehr Test Systems (AEHR) vs Bel Fuse Inc. (BELFB)
A side-by-side comparison of Aehr Test Systems and Bel Fuse Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.
AEHR
Aehr Test Systems
$99.13TechnologyDelayed quote: Oct 6, 2026, 12:30 PM EDT
BELFB
Bel Fuse Inc.
$259.53TechnologyDelayed quote: Oct 6, 2026, 12:30 PM EDT
Total return — AEHR vs BELFB
growth of $100 · dividends reinvested · last 10yAEHR +3451.0% (+42.9%/yr)BELFB +1150.0% (+28.7%/yr)AEHR compounded faster over this window
AEHR BELFB
AEHR vs BELFB: by the numbers
- •AEHR is the larger company ($3.23B vs $3.14B market cap).
- •BELFB is profitable (8.12% net margin) while AEHR runs a net loss (-14.00%).
- •AEHR grew revenue faster over the past five years (30.24% vs 8.72% CAGR).
- •BELFB pays a dividend (0.11% yield), while AEHR has no payments in the available dividend history.
Metrics side by side
Valuation
| Metric | AEHR | BELFB |
|---|---|---|
| P/E ratio | N/A | 64.88 |
| Forward P/E | 130.78 | 26.40 |
| PEG ratio | N/A | 1.68 |
| P/S ratio | 63.51 | 4.22 |
| P/B ratio | 14.73 | 3.46 |
| EV / EBITDA | N/A | 19.24 |
| FCF yield | N/A | 2.33% |
Profitability
| Metric | AEHR | BELFB |
|---|---|---|
| Gross margin | 34.67% | 39.52% |
| Operating margin | -27.80% | 16.44% |
| Net margin | -14.00% | 8.12% |
| ROE | -3.25% | 6.64% |
| ROIC | -6.17% | 9.24% |
Dividends
| Metric | AEHR | BELFB |
|---|---|---|
| Dividend yield | N/A | 0.11% |
| Payout ratio | N/A | 7.00% |
Growth (annualized)
| Metric | AEHR | BELFB |
|---|---|---|
| Revenue CAGR (5Y) | 30.24% | 8.72% |
| EPS CAGR (5Y) | N/A | 38.52% |
| FCF CAGR (5Y) | N/A | 26.79% |
| Total return CAGR (5Y) | 50.07% | 84.87% |
Frequently asked
- Which has grown faster, AEHR or BELFB?
- Over the past five years, AEHR grew revenue faster — AEHR at a 30.24% CAGR versus BELFB at 8.72%.
- Does AEHR or BELFB pay a bigger dividend?
- BELFB pays a dividend (0.11% yield), while AEHR has no payments in the available dividend history.
- Is AEHR or BELFB more profitable?
- BELFB runs the higher net margin — AEHR at -14.00% versus BELFB at 8.12%.
- How have AEHR and BELFB total returns compared?
- Over the past 10 years, AEHR delivered 42.91% and BELFB delivered 27.75% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Bel Fuse P/E ratioBel Fuse dividend yieldAehr Test Systems ROEBel Fuse ROEAehr Test Systems operating marginBel Fuse operating marginAehr Test Systems revenue growthBel Fuse revenue growthAehr Test Systems free cash flowBel Fuse free cash flow
Aehr Test Systems & Bel Fuse appear in these rankings
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 6, 2026.