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Copy file name to clipboardExpand all lines: articles/cosmos-db/mongodb/cosmos-db-vs-mongodb-atlas.md
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| MongoDB wire protocol | Yes | Yes |
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| Compatible with MongoDB tools and drivers | Yes | Yes |
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| Global Distribution | Yes, [globally distributed](../distribute-data-globally.md) with automatic and fast data replication across any number of Azure regions | Yes, globally distributed with manual and scheduled data replication across any number of cloud providers or regions |
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| SLA covers cloud platform | Yes | "Services, hardware, or software provided by a third party, such as cloud platform services on which MongoDB Atlas runs are not covered" |
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| SLA covers cloud platform | Yes |No. "Services, hardware, or software provided by a third party, such as cloud platform services on which MongoDB Atlas runs are not covered" |
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| 99.999% availability SLA |[Yes](../high-availability.md)| No |
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| Instantaneous Scaling | Yes, [database instantaneously scales](../provision-throughput-autoscale.md) with zero performance impact on your applications | No, requires 1+ hours to vertically scale up and 24+ hours to vertically scale down. Performance impact during scale up may be noticeable |
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| True active-active clusters | Yes, with [multi-primary writes](./how-to-configure-multi-region-write.md). Data for the same shard can be written to multiple regions | No |
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| Vector Search for AI applications | Yes, with [Azure Cosmos DB for MongoDB vCore Vector Search](./vcore/vector-search.md)| Yes |
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| Vector Search in Free Tier | Yes, with [Azure Cosmos DB for MongoDB vCore Vector Search](./vcore/vector-search.md)| No |
| Free tier |[1,000 request units (RUs) and 25 GB storage forever](../try-free.md). Prevents you from exceeding limits if you want | Yes, with 512 MB storage |
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| Free tier |[1,000 request units (RUs) and 25 GB storage forever](../try-free.md). Prevents you from exceeding limits if you want. Azure Cosmos DB for MognoDB vCore offers Free Tier with 32GB storage forever.| Yes, with 512 MB storage |
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| Live migration | Yes | Yes |
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| Azure Integrations | Native [first-party integrations](./integrations-overview.md) with Azure services such as Azure Functions, Azure Logic Apps, Azure Stream Analytics, and Power BI and more | Limited number of third party integrations |
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| Choice of instance configuration | Yes, with [Azure Cosmos DB for MongoDB vCore](./vcore/introduction.md)| Yes |
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Azure Cosmos DB for MongoDB vCore provides developers with a fully managed MongoDB-compatible database service for building modern applications with a familiar architecture. With Cosmos DB for MongoDB vCore, developers can enjoy the benefits of native Azure integrations, low total cost of ownership (TCO), and the familiar vCore architecture when migrating existing applications or building new ones.
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## Build AI-Driven Applications with a Single Database Solution
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Azure Cosmos DB for MongoDB vCore empowers generative AI applications with an integrated **Vector Search** feature. This enables efficient indexing and querying of data by characteristics for advanced use cases such as generative AI, without the complexity of external integrations. Unlike MongoDB Atlas and similar platforms, Azure Cosmos DB for MongoDB vCore keeps all data within the database for vector searches, ensuring simplicity and security. Even our free tier offers this capability, making sophisticated AI features accessible without additional cost.
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## Effortless integration with the Azure platform
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Azure Cosmos DB for MongoDB vCore provides a comprehensive and integrated solution for resource management, making it easy for developers to seamlessly manage their resources using familiar Azure tools. The service features deep integration into various Azure products, such as Azure Monitor and Azure CLI. This deep integration ensures that developers have everything they need to work efficiently and effectively.
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| Cluster tier | Base storage | RAM | vCPUs |
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| --- | --- | --- | --- |
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| M25 | 32 GB | 8 GB | 2 burstable |
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| M30 | 128 GB | 8 GB | 2 |
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| M40 | 128 GB | 16 GB | 4 |
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| M50 | 128 GB | 32 GB | 8 |
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| M60 | 128 GB | 64 GB | 16 |
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| M80 | 128 GB | 128 GB | 32 |
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| M200 | 128 GB | 256 GB | 64 |
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| M300 | 128 GB | 324 GB | 48 |
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| M400 | 128 GB | 432 GB | 64 |
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| M600 | 128 GB | 640 GB | 80 |
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Azure Cosmos DB for MongoDB vCore is organized into easy to understand cluster tiers based on vCPUs, RAM, and attached storage. These tiers make it easy to lift and shift your existing workloads or build new applications.
title: Azure Cosmos DB for MongoDB vCore is your multi-cloud solution
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description: Azure Cosmos DB for MongoDB vCore offers a flexible, multi-cloud database service, using the MongoDB wire protocol for seamless migration and integration across environments.
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author: gahl-levy
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ms.author: gahllevy
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ms.service: cosmos-db
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ms.subservice: mongodb-vcore
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ms.topic: overview
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ms.date: 02/12/2024
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---
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# Azure Cosmos DB for MongoDB vCore: Your Multi-Cloud Solution
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Azure Cosmos DB for MongoDB vCore represents a groundbreaking approach to database management, offering unparalleled flexibility and a multi-cloud capability that stands out in the modern cloud ecosystem. This document dives into the core aspects of Azure Cosmos DB for MongoDB vCore that make it an exceptional choice for organizations seeking a vendor-neutral and multi-cloud database service.
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### MongoDB Wire Protocol Compatibility
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Azure Cosmos DB for MongoDB has compatibility with the MongoDB wire protocol. This compatibility ensures that Azure Cosmos DB seamlessly integrates with MongoDB's ecosystem, including services hosted in other clouds and on-premises environments. It allows for a wide range of MongoDB tools and applications to communicate with Azure Cosmos DB without any modifications, ensuring a smooth and efficient migration or integration process.
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## Multi-Cloud and On-Premises Support
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The support for MongoDB wire protocol extends Azure Cosmos DB for MongoDB vCore's reach beyond Azure, making it an ideal solution for multi-cloud strategies. Organizations can use Azure Cosmos DB alongside other MongoDB services across different cloud providers or in on-premises data centers. This flexibility facilitates a hybrid cloud approach, allowing businesses to distribute their workloads across various environments based on their unique requirements and constraints.
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## Familiar Architecture and Easy Migration
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Azure Cosmos DB for MongoDB vCore is designed with a familiar architecture that reduces the learning curve and operational overhead for teams accustomed to MongoDB. This design philosophy makes it straightforward to "lift and shift" existing MongoDB databases to Azure Cosmos DB, or move them back to on-premises or another cloud provider if needed. The ease of migration and interoperability ensures that organizations are not locked into a single vendor, providing the freedom to choose the best environment for their needs.
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## Proven Experience and Fully Managed Service
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Since its general availability in 2017 with the Request Unit (RU) based service, Azure Cosmos DB for MongoDB has enabled users to run their MongoDB workloads on a native Azure service. This extensive experience underscores Microsoft's commitment to providing a robust, scalable, and fully managed MongoDB-compatible database solution. The Azure Cosmos DB team manages the database infrastructure, allowing users to focus on developing their applications without worrying about the underlying database management tasks.
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## Conclusion
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Azure Cosmos DB for MongoDB vCore stands out as a flexible, multi-cloud compatible database service that uses the MongoDB wire protocol for seamless integration and migration. Its vendor-neutral approach, coupled with support for multi-cloud and on-premises environments, ensures that organizations have the freedom and flexibility to run their applications wherever they choose. With almost a decade of experience in offering MongoDB-compatible services and the backing of a fully managed service by Microsoft Azure, Azure Cosmos DB for MongoDB vCore is the optimal choice for businesses looking to scale and innovate in the cloud.
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## Next steps
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- Get started by [creating a cluster.](quickstart-portal.md).
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- Review options for [migrating from MongoDB to Azure Cosmos DB for MongoDB vCore.](migration-options.md)
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