21Vianet vs TeraWulf

Both are primarily Data Center Operators (Colo) companies. TeraWulf is larger by market cap ($6.8B vs $1.5B). 21Vianet reports higher tracked revenue ($544M vs $168M).

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Side-by-side

21VianetTeraWulf
Market cap$1.5B$6.8B
Revenue$544M (FY2019)$168M (FY2025)
Primary segmentData Center Operators (Colo)Data Center Operators (Colo)
Market positionnicheniche
CountryChinaUnited States
Tracked suppliers44
Tracked customers55
Chokepoint / criticality6/1006/100

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 TeraWulf compare

  • Size: TeraWulf is the larger company by market cap.
  • Revenue: 21Vianet reports higher tracked revenue.
  • Supply-chain criticality: Both companies have the same chokepoint score (6/100).
  • Footprint: 21Vianet (China) vs TeraWulf (United States).

Company hubs

21Vianet · TeraWulf · AI & Data Center segment

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

Frequently asked questions3
Is 21Vianet bigger than TeraWulf?
TeraWulf is larger by market cap ($6.8B vs $1.5B).
What's the difference between 21Vianet and TeraWulf?
21Vianet is a niche in Data Center Operators (Colo) based in China; TeraWulf is a niche in Data Center Operators (Colo) based in United States. Both operate in the AI & Data Center segment.
Who are 21Vianet's and TeraWulf's suppliers?
wafergraph tracks 4 suppliers for 21Vianet and 4 for TeraWulf.