Arista Networks vs Ciena

Both are primarily Networking & Systems companies. Arista Networks is larger by market cap ($261.5B vs $55.5B). Arista Networks reports higher tracked revenue ($9.0B vs $4.8B).

Shared segment: AI & Data Center.

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Side-by-side

Arista NetworksCiena
Market cap$261.5B$55.5B
Revenue$9.0B (FY2025)$4.8B (FY2025)
Primary segmentNetworking & SystemsNetworking & Systems
Market positionleadermajor
CountryUnited StatesUnited States
Tracked suppliers234
Tracked customers33
Chokepoint / criticality9/10068/100

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 Arista Networks and Ciena compare

  • Size: Arista Networks is the larger company by market cap.
  • Revenue: Arista Networks reports higher tracked revenue.
  • Supply-chain criticality: Ciena has the higher chokepoint score (68/100 vs 9/100).
  • Footprint: Arista Networks (United States) vs Ciena (United States).

Company hubs

Arista Networks · Ciena · AI & Data Center segment

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Cite as: wafergraph, “Arista Networks vs Ciena”, https://wafergraph.com/compare/arista-vs-ciena (data as of 2026-10-04).

Frequently asked questions3
Is Arista Networks bigger than Ciena?
Arista Networks is larger by market cap ($261.5B vs $55.5B).
What's the difference between Arista Networks and Ciena?
Arista Networks is a leader in Networking & Systems based in United States; Ciena is a major in Networking & Systems based in United States. Both operate in the AI & Data Center segment.
Who are Arista Networks's and Ciena's suppliers?
wafergraph tracks 23 suppliers for Arista Networks and 4 for Ciena — Arista Networks's include Broadcom, Lumentum Holdings, InnoLight Technology.