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'FX' family general purpose VM size series

Applies to: ✔️ Linux VMs ✔️ Windows VMs ✔️ Flexible scale sets ✔️ Uniform scale sets

The 'FX' family of VM size series are one of Azure's specialized compute-optimized VM instances, designed primarily workloads that require significant CPU capabilities. These VMs use the latest Intel Ice Lake processors and are optimized for compute-intensive tasks such as financial modeling, scientific simulations, and heavy calculations. With a high frequency and a large cache per core, FX-series VMs provide exceptional computational power, making them ideal for scenarios demanding extensive processing resources and rapid execution of complex operations.

Workloads and use cases

Electronic Design Automation (EDA): FX-series VMs are well-suited for EDA workloads, which require high CPU clock speeds and high memory-to-CPU ratios. These workloads benefit from the high single-core performance and large memory capacity of FX-series VMs.

Batch Processing: FX-series VMs are excellent for high-throughput batch processing jobs, such as those involving large-scale data analysis and transformation, where rapid processing is critical.

Data Analytics: FX-series VMs are suitable for intensive data analytics applications, especially those that require quick iteration and processing of large data sets.

Series in family

FX-series

The FX-series runs on the Intel® Xeon® Gold 6246R (Cascade Lake) processors. It features an all-core-turbo frequency of 4.0 GHz, 21 GB RAM per vCPU, up to 1 TB total RAM, and local temporary storage. The FX-series will benefit workloads that require a high CPU clock speed and high memory to CPU ratio, workloads with high per-core licensing costs, and applications requiring a high single-core performance. A typical use case for FX-series is the Electronic Design Automation (EDA) workload. FX-series VMs feature Intel® Turbo Boost Technology 2.0, Intel® Hyper-Threading Technology, and Intel® Advanced Vector Extensions 512 (Intel® AVX-512).

View the full FX-series page.

Part Quantity
Count Units
Specs
SKU ID, Performance Units, etc.
Processor 4 - 48 vCPUs Intel Xeon Gold 6246R (Cascade Lake) [x86-64]
Memory 84 - 1008 GiB
Local Storage 1 Disk 168 - 2016 GiB
40000 - 400000 IOPS (RR)
343 - 3871 MBps (RR)
Remote Storage 8 - 32 Disks 6700 - 80000 IOPS
104 - 1258 MBps
Network 2 - 8 NICs 4000 - 32000 Mbps
Accelerators None

Previous-generation FX family series

For older sizes, see previous generation sizes.

Other size information

List of all available sizes: Sizes

Pricing Calculator: Pricing Calculator

Information on Disk Types: Disk Types

Next steps

Learn more about how Azure compute units (ACU) can help you compare compute performance across Azure SKUs.

Check out Azure Dedicated Hosts for physical servers able to host one or more virtual machines assigned to one Azure subscription.

Learn how to Monitor Azure virtual machines.