Submer vs Microsoft Azure
Side-by-side comparison of AI visibility scores, market position, and capabilities
Submer is a Barcelona-based data center immersion cooling company founded in 2015; produces SmartPodX and MegaPodX liquid cooling systems for AI, HPC, and cloud workloads; raised $55M Series B in 2023;
About
Submer is a data center thermal management and immersion cooling company founded in 2015 and headquartered in Barcelona, Spain. The company manufactures single-phase and two-phase immersion cooling systems that submerge servers and computing hardware directly in a dielectric fluid — a thermally conductive, electrically non-conductive liquid — to remove heat far more efficiently than traditional air-cooling or conventional liquid cooling. Submer's flagship products include the SmartPodX (a single-phase immersion cooling system designed for high-density compute deployments) and the MegaPodX (a larger-scale system for hyperscale and colocation data center applications). The company also produces its own proprietary dielectric fluid, SubCool Fluid, engineered to optimize heat transfer performance while meeting environmental and regulatory standards.
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.
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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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