Diodes (DIOD) vs Silicon Laboratories (SLAB)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
Diodes (DIOD) has outperformed Silicon Laboratories (SLAB) over the past year, gaining 97.2% versus a gain of 68.5%. Over five years, SLAB leads with a +51.3% price change compared with +15.0% for DIOD. Silicon Laboratories is the larger company by market cap ($7.41 billion vs $4.64 billion), about 1.6 times the size.
On valuation, Diodes trades at a lower forward P/E (17.3x vs 50.9x for Silicon Laboratories). Diodes converts more of its revenue into profit, with a net margin of 4.5% versus -8.3%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | DIOD | SLAB |
|---|---|---|
| Share price | $100.65 | $221.95 |
| Market cap | $4.64B | $7.41B |
| 1-day change | -6.58% | -0.30% |
| YTD return | +103.99% | +69.81% |
| 1-year return | +97.24% | +68.54% |
| 5-year return | +14.98% | +51.30% |
| P/E ratio (TTM) | 53.82 | — |
| Forward P/E | 17.26 | 50.89 |
| EPS (TTM) | $1.87 | $-1.17 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| Revenue (latest FY) | $1.48B | $784.76M |
| Revenue growth (YoY) | +13.04% | +34.29% |
| Net income (latest FY) | $66.14M | $-64.91M |
| Gross margin | 31.20% | 58.23% |
| Operating margin | 2.39% | -8.99% |
| Net margin | 4.46% | -8.27% |
| 52-week high | $125.99 | $223.50 |
| 52-week low | $42.28 | $115.51 |
| Distance from 52-week high | -20.11% | -0.70% |
| Analyst consensus | strong_buy | hold |
| Avg. price target upside | +52.34% | +0.41% |
| Average volume | 569.80K | 286.33K |
| Shares outstanding | 46.05M | 33.37M |
| Employees | 7,989 | 1,930 |
| Sector | Technology | Technology |
| Industry | Semiconductors | Semiconductors |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- DIOD has outperformed SLAB by 28.7 percentage points over the past year.
- Diodes is more profitable, keeping 4.5 cents of every revenue dollar as net income versus -8.3 cents for Silicon Laboratories.
- Silicon Laboratories grew revenue faster in its latest fiscal year (+34.29% vs +13.04%).
About Diodes
DIOD stock →Diodes Incorporated, together with its subsidiaries, provides semiconductor products in Asia, the Americas, and Europe. The company offers MOSFET and SiC MOSFET discrete semiconductor products; data line protection, power line protection, thyrister, USB Type-C protection, and transient voltage suppressor protection devices; Schottky diodes, small signal switching diodes, Zener diodes, and SiC diodes; and bridges, super barrier rectifiers, Schottky rectifiers, Schottky bridge rectifiers, and fast and ultra-fast rectifiers.
Technology · Semiconductors · 7,989 employees
About Silicon Laboratories
SLAB stock →Silicon Laboratories Inc., a fabless semiconductor company, provides mixed-signal analog intensive products in the United States, China, Taiwan, and internationally. Its products are used in various electronic products in a range of applications for the industrial Internet of Things (IoT), including connected home and security, industrial automation and control, smart metering and agriculture, smart street lighting, renewable energy, electric vehicle supply equipment, industrial wearables and equipment, commercial building automation, consumer electronics, asset tracking, and medical instrumentation; and commercial IoT applications, including smart buildings and lighting, access controls, asset tracking, electronic shelf labels, theft protection, power tools, and enterprise access points.
Technology · Semiconductors · 1,930 employees
DIOD vs SLAB FAQ
Which is bigger, Diodes or Silicon Laboratories?
Silicon Laboratories (SLAB) is larger, with a market capitalization of $7.41B compared with $4.64B for Diodes (DIOD).
Which stock has performed better over the past year, DIOD or SLAB?
DIOD returned +97.24% over the past 12 months, compared with +68.54% for SLAB (price return, excluding dividends). Past performance does not predict future results.
Are Diodes and Silicon Laboratories in the same industry?
Yes. Both are classified in the Semiconductors industry within the Technology sector.