Compare Azure Virtual Machines

Name	Standard_B4s_v2	Standard_FX4ms_v2
Details	Standard is recommended tier B – Economical burstable 4 – The number of vCPUs s – Premium Storage capable v2 – version	Standard is recommended tier FX – High single-core performance compute optimised VMs 4 – The number of vCPUs m – The most amount of memory in a particular size s – Premium Storage capable v2 – version
vCPUs	4	4
CPU Architecture	x64	x64
Memory (GiB)	16	84
Hyper-V Generations	V1,V2	V2
ACUs	0	0
GPUs	0	0
Max Network Interfaces	3	2
RDMA Enabled	no	no
Accelerated Net	yes	yes
OS Disk Size	1023 GiB	1023 GiB
Res Disk Size	0 GiB	0 GiB
Max Disks	8	12
Support Premium Disk	yes	yes
Combined IOPS is a sum of all attached disk's IOPs	19000	18000
Uncached Disk IOPS	6400	16000
Combined Write is a sum of all attached disk's write throughtput	238 MiB/Sec	238 MiB/Sec
Combined Read is a sum of all attached disk's read throughtput	238 MiB/Sec	238 MiB/Sec
Avg Price Diff	1.00x	2.75x

Regional Prices

Region	Standard_B4s_v2	Standard_FX4ms_v2
US / East US (eastus)	0.1660	0.4430
US / East US 2 (eastus2)	0.1660	0.4430
US / North Central US (northcentralus)	0.1660	n/a
US / West US 2 (westus2)	0.1660	0.4430
US / West US 3 (westus3)	n/a	0.4430