Arista Networks vs Microsoft Azure
Side-by-side comparison of AI visibility scores, market position, and capabilities
Santa Clara cloud networking (NYSE: ANET) at $7.0B FY2024 revenue (+20%); AI networking +50%, 400G/800G GPU cluster switches for Microsoft/Meta/Google competing with Cisco and NVIDIA InfiniBand for AI data center fabric.
About
Arista Networks, Inc. is a Santa Clara, California-based cloud networking company — publicly traded on the New York Stock Exchange (NYSE: ANET) as an S&P 500 Information Technology component with a market capitalization of approximately $120 billion — designing and selling programmable Ethernet switches, routers, and network management software for cloud data centers, artificial intelligence compute clusters, and enterprise campus networks through approximately 4,400 employees worldwide. In fiscal year 2024, Arista reported revenue of $7.0 billion (+20% year-over-year), with AI networking revenue growing more than 50% as hyperscale customers (Microsoft, Meta, Google) deployed Arista's 400G and 800G Ethernet switches as the network fabric interconnecting tens of thousands of NVIDIA H100 and H200 GPUs in AI training clusters. CEO Jayshree Ullal has led Arista since 2008, executing the strategy of building the world's most advanced Ethernet switching operating system (EOS, Extensible Operating System) and using EOS's programmability and reliability advantages to win the hyperscale cloud data center market from Cisco — a share gain that created Arista's growth from a startup to a $7B+ revenue company in a decade. Arista's EOS software runs across the entire product family (campus, data center, AI cluster switches) with a single code base and management plane, enabling network operators to write Python scripts and custom automation for every switch in the network from one operating system.
Azure grew 33% YoY in Q2 FY2025, with AI services contributing 13 points of growth — the fastest-growing major cloud platform driven by OpenAI partnership.
About
Microsoft Azure is Microsoft's cloud computing platform — the #2 global cloud infrastructure provider (approximately 22-23% market share) — offering over 200 cloud services including virtual machines, Azure Kubernetes Service, Azure SQL Database, Cosmos DB, Azure AI and Cognitive Services, Azure OpenAI Service, and the deep integration with Microsoft 365, Dynamics 365, GitHub, and the broader Microsoft software ecosystem. Listed on NASDAQ (NASDAQ: MSFT), Azure is part of Microsoft's Intelligent Cloud segment which generated $105+ billion in fiscal year 2024 revenue, with Azure representing the largest and fastest-growing component.
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