Ciena vs Cisco Systems

Both are primarily Networking & Systems companies. Cisco Systems is larger by market cap ($442.4B vs $55.5B). Cisco Systems reports higher tracked revenue ($63.3B vs $4.8B).

Shared segment: AI & Data Center.

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Side-by-side

CienaCisco Systems
Market cap$55.5B$442.4B
Revenue$4.8B (FY2025)$63.3B (FY2026)
Primary segmentNetworking & SystemsNetworking & Systems
Market positionmajormajor
CountryUnited StatesUnited States
Tracked suppliers422
Tracked customers31
Chokepoint / criticality68/1007/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-04. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Ciena and Cisco Systems compare

  • Size: Cisco Systems is the larger company by market cap.
  • Revenue: Cisco Systems reports higher tracked revenue.
  • Supply-chain criticality: Ciena has the higher chokepoint score (68/100 vs 7/100).
  • Footprint: Ciena (United States) vs Cisco Systems (United States).

Company hubs

Ciena · Cisco Systems · AI & Data Center segment

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Cite as: wafergraph, “Ciena vs Cisco Systems”, https://wafergraph.com/compare/ciena-vs-cisco (data as of 2026-10-04).

Frequently asked questions3
Is Ciena bigger than Cisco Systems?
Cisco Systems is larger by market cap ($442.4B vs $55.5B).
What's the difference between Ciena and Cisco Systems?
Ciena is a major in Networking & Systems based in United States; Cisco Systems is a major in Networking & Systems based in United States. Both operate in the AI & Data Center segment.
Who are Ciena's and Cisco Systems's suppliers?
wafergraph tracks 4 suppliers for Ciena and 22 for Cisco Systems; Cisco Systems's include Lumentum Holdings, InnoLight Technology, Fabrinet.