CarMax, Inc. (KMX) vs Silicon Motion Technology Corporation (SIMO)
SIMO leads on 9 of 14 compared metrics.
A side-by-side comparison of CarMax, Inc. and Silicon Motion Technology Corporation across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 25, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).
KMX
CarMax, Inc.
$58.29Consumer CyclicalDelayed quote: Jul 24, 2026, 4:00 PM EDT
SIMO
Silicon Motion Technology Corporation
$270.90TechnologyAt close: Jul 24, 2026, 4:00 PM ET
Total return — KMX vs SIMO
growth of $100 · dividends reinvested · last 21yKMX +345.5%SIMO +3536.4%SIMO compounded faster
Log scale — wide-divergence pair
KMX SIMO
KMX vs SIMO: by the numbers
- •SIMO is the larger company ($9.09B vs $8.27B market cap).
- •SIMO trades at the lower earnings multiple (21.10 vs 36.20 P/E).
- •SIMO converts more revenue to profit (16.02% vs 0.84% net margin).
- •SIMO grew revenue faster over the past five years (12.49% vs 2.39% CAGR).
- •SIMO pays a dividend (0.74% yield) while KMX does not currently pay one.
Which is better, KMX or SIMO?
Metric tally: KMX 5 · SIMO 9It depends on what you're optimizing for:
ValueSIMO(lower P/E)
GrowthSIMO(faster 5Y revenue CAGR)
QualitySIMO(higher ROIC)
Metrics side by side
Valuation
| Metric | KMX | SIMO |
|---|---|---|
| P/E ratio | 36.20 | 21.10● |
| Forward P/E | 21.64● | 30.51 |
| P/S ratio | 0.31● | 2.57 |
| P/B ratio | 1.35● | 2.74 |
| PEG ratio | — | 0.17 |
| EV / EBITDA | — | 16.83 |
| FCF yield | 12.00%● | 0.28% |
Profitability
| Metric | KMX | SIMO |
|---|---|---|
| Gross margin | 10.24% | 48.09%● |
| Operating margin | -1.85% | 12.77%● |
| Net margin | 0.84% | 16.02%● |
| ROE | 3.64% | 18.76%● |
| ROIC | -1.10% | 9.22%● |
Dividends
| Metric | KMX | SIMO |
|---|---|---|
| Dividend yield | — | 0.74% |
| Payout ratio | — | 13.70% |
Growth (annualized)
| Metric | KMX | SIMO |
|---|---|---|
| Revenue CAGR (5Y) | 2.39% | 12.49%● |
| EPS CAGR (5Y) | -18.18% | 44.85%● |
| FCF CAGR (5Y) | 13.85%● | -42.15% |
| Total return CAGR (5Y) | -15.44% | 37.15%● |
Frequently asked
- Which is better, KMX or SIMO?
- It depends on your goal. value: SIMO (lower P/E); growth: SIMO (faster 5Y revenue CAGR); quality: SIMO (higher ROIC). Across all compared metrics, SIMO leads 9 to 5.
- Is KMX or SIMO cheaper?
- On trailing earnings, SIMO is cheaper: KMX trades at a 36.20 P/E and SIMO at 21.10.
- Which has grown faster, KMX or SIMO?
- Over the past five years, SIMO grew revenue faster — KMX at a 2.39% CAGR versus SIMO at 12.49%.
- Does KMX or SIMO pay a bigger dividend?
- SIMO pays a dividend (0.74% yield) while KMX does not currently pay one.
- Is KMX or SIMO more profitable?
- SIMO runs the higher net margin — KMX at 0.84% versus SIMO at 16.02%.
- Which has been the better investment, KMX or SIMO?
- Over the past 10-year, SIMO delivered the higher annualized total return — KMX at 0.06% versus SIMO at 20.85%. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
CarMax P/E ratioSilicon Motion Technology P/E ratioCarMax dividend yieldSilicon Motion Technology dividend yieldCarMax ROESilicon Motion Technology ROECarMax operating marginSilicon Motion Technology operating marginCarMax revenue growthSilicon Motion Technology revenue growthCarMax free cash flowSilicon Motion Technology free cash flow
CarMax & Silicon Motion Technology 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 July 25, 2026.