SanDisk vs Silicon Motion

SanDisk's primary segment is NAND; Silicon Motion's is Storage Controllers. SanDisk is larger by market cap ($188.6B vs $6.9B). SanDisk reports higher tracked revenue ($20.2B vs $886M).

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Side-by-side

SanDiskSilicon Motion
Market cap$188.6B$6.9B
Revenue$20.2B (FY2026)$886M (FY2025)
Primary segmentNANDStorage Controllers
Market positionmajorleader
CountryUnited StatesTaiwan
Tracked suppliers27
Tracked customers68
Chokepoint / criticality68/10081/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-28. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How SanDisk and Silicon Motion compare

  • Size: SanDisk is the larger company by market cap.
  • Revenue: SanDisk reports higher tracked revenue.
  • Supply-chain criticality: Silicon Motion has the higher chokepoint score (81/100 vs 68/100).
  • Footprint: SanDisk (United States) vs Silicon Motion (Taiwan).

Company hubs

SanDisk · Silicon Motion · Memory segment

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Cite as: wafergraph, “SanDisk vs Silicon Motion”, https://wafergraph.com/compare/sandisk-vs-silicon_motion (data as of 2026-10-28).

Frequently asked questions3
Is SanDisk bigger than Silicon Motion?
SanDisk is larger by market cap ($188.6B vs $6.9B).
What's the difference between SanDisk and Silicon Motion?
SanDisk is a major in NAND based in United States; Silicon Motion is a leader in Storage Controllers based in Taiwan. Both operate in the Memory segment.
Who are SanDisk's and Silicon Motion's suppliers?
wafergraph tracks 2 suppliers for SanDisk and 7 for Silicon Motion — SanDisk's include Kioxia Holdings, Adeia Inc.; Silicon Motion's include PDF Solutions, TSMC, SMIC.