MetaCap

Lattice Semiconductor (LSCC) vs Rambus (RMBS)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.

Summary

Lattice Semiconductor (LSCC) has outperformed Rambus (RMBS) over the past year, gaining 82.1% versus a gain of 15.1%. Over five years, RMBS leads with a +402.2% price change compared with +98.2% for LSCC. Lattice Semiconductor is the larger company by market cap ($18.60 billion vs $12.09 billion), about 1.5 times the size, while Rambus is growing revenue faster (+27.1% vs +2.7%).

On valuation, Rambus trades at a lower forward P/E (30.0x vs 40.7x for Lattice Semiconductor). Rambus converts more of its revenue into profit, with a net margin of 32.6% versus 0.6%.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

LSCC+82.13%RMBS+15.12%
+123%+49%-24%
Oct 7, 20251 yearOct 7, 2026
LSCC+102.18%RMBS+400.13%
+643%+285%-72%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

LSCC versus RMBS key metrics
MetricLSCCRMBS
Share price$130.99$111.48
Market cap$18.60B$12.09B
1-day change-2.59%-2.29%
YTD return+78.02%+21.32%
1-year return+82.13%+15.12%
5-year return+98.20%+402.16%
P/E ratio (TTM)523.9651.14
Forward P/E40.7529.96
EPS (TTM)$0.25$2.18
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
Revenue (latest FY)$523.26M$707.63M
Revenue growth (YoY)+2.72%+27.13%
Net income (latest FY)$3.08M$230.46M
Gross margin68.21%79.59%
Operating margin2.15%36.77%
Net margin0.59%32.57%
52-week high$157.01$174.10
52-week low$60.50$77.89
Distance from 52-week high-16.57%-35.97%
Analyst consensusstrong_buystrong_buy
Avg. price target upside+25.36%+26.99%
Average volume1.73M2.43M
Shares outstanding142.03M108.46M
Employees1,174791
SectorTechnologyTechnology
IndustrySemiconductorsSemiconductors

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

  • LSCC has outperformed RMBS by 67.0 percentage points over the past year.
  • Lattice Semiconductor trades at a higher earnings multiple (524.0x vs 51.1x trailing P/E).
  • Rambus is more profitable, keeping 32.6 cents of every revenue dollar as net income versus 0.6 cents for Lattice Semiconductor.
  • Rambus grew revenue faster in its latest fiscal year (+27.13% vs +2.72%).

About Lattice Semiconductor

LSCC stock →

Lattice Semiconductor Corporation, together with its subsidiaries, develops and sells semiconductor, silicon-based and silicon-enabling, evaluation boards, and development hardware products in Asia, Europe, and the Americas. It offers field programmable gate arrays (FPGA), which are regular arrays of logic that can be custom-configured by the user through software.

Technology · Semiconductors · 1,174 employees

About Rambus

RMBS stock →

Rambus Inc. manufactures and sells semiconductor products in the United States, South Korea, Singapore, and internationally.

Technology · Semiconductors · 791 employees

LSCC vs RMBS FAQ

Which is bigger, Lattice Semiconductor or Rambus?

Lattice Semiconductor (LSCC) is larger, with a market capitalization of $18.60B compared with $12.09B for Rambus (RMBS).

Which stock has performed better over the past year, LSCC or RMBS?

LSCC returned +82.13% over the past 12 months, compared with +15.12% for RMBS (price return, excluding dividends). Past performance does not predict future results.

Which has the lower P/E ratio, LSCC or RMBS?

RMBS has the lower trailing P/E at 51.1, versus 524.0 for LSCC. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.

Are Lattice Semiconductor and Rambus in the same industry?

Yes. Both are classified in the Semiconductors industry within the Technology sector.

More comparisons