21Vianet vs NEXTDC

Both are primarily Data Center Operators (Colo) companies. NEXTDC is larger by market cap ($5.5B vs $1.5B). 21Vianet reports higher tracked revenue ($544M vs $345M).

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Side-by-side

21VianetNEXTDC
Market cap$1.5B$5.5B
Revenue$544M (FY2019)$345M (FY2026)
Primary segmentData Center Operators (Colo)Data Center Operators (Colo)
Market positionnichemajor
CountryChinaAustralia
Tracked suppliers44
Tracked customers55
Chokepoint / criticality6/1008/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How 21Vianet and NEXTDC compare

  • Size: NEXTDC is the larger company by market cap.
  • Revenue: 21Vianet reports higher tracked revenue.
  • Supply-chain criticality: NEXTDC has the higher chokepoint score (8/100 vs 6/100).
  • Footprint: 21Vianet (China) vs NEXTDC (Australia).

Company hubs

21Vianet · NEXTDC · AI & Data Center segment

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Cite as: wafergraph, “21Vianet vs NEXTDC”, https://wafergraph.com/compare/21vianet-vs-nextdc (data as of 2026-10-09).

Frequently asked questions3
Is 21Vianet bigger than NEXTDC?
NEXTDC is larger by market cap ($5.5B vs $1.5B).
What's the difference between 21Vianet and NEXTDC?
21Vianet is a niche in Data Center Operators (Colo) based in China; NEXTDC is a major in Data Center Operators (Colo) based in Australia. Both operate in the AI & Data Center segment.
Who are 21Vianet's and NEXTDC's suppliers?
wafergraph tracks 4 suppliers for 21Vianet and 4 for NEXTDC.