Standard_B4as_v2vsStandard_B4s_v2

Standard_B4as_v2 is 10% cheaper than Standard_B4s_v2 on demand in East US, saving $11.68 a month.

At a glanceStandard_B4as_v2Standard_B4s_v2
On-demand$0.15/hr10% less$0.166/hr
Lowest rate$0.0572/hr9% less3-yr reserved, no upfront$0.0632/hr3-yr reserved, no upfront
Size4 vCPUs, 16 GiB4 vCPUs, 16 GiB
ProcessorAMD EPYC 7763v (Milan)Intel Xeon Platinum 8473C (Sapphire Rapids), Intel Xeon Platinum 8370C (Ice Lake), Intel Xeon Platinum 8573C (Emerald Rapids)
Architecturex86_64x86_64

Prices in East US

“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.

OptionStandard_B4as_v2Standard_B4s_v2Standard_B4s_v2 vs Standard_B4as_v2
On-demandPay by the hour$0.15$0.166▲ 11%
SpotCan be interrupted10% off$0.13510% off$0.1494▲ 11%
1-yr reservedNo upfront41% off$0.088741% off$0.0982▲ 11%
3-yr reservedNo upfront62% off$0.057262% off$0.0632▲ 10%
1-yr savings planHourly commitment33% off$0.100533% off$0.1112▲ 11%
3-yr savings planHourly commitment55% off$0.067555% off$0.0747▲ 11%

Key differences

The biggest lead each one has.

Where Standard_B4as_v2 leads
On-demand price$0.15 vs $0.166 per hour
10% cheaper
Where Standard_B4s_v2 leads

No clear lead on the measures we compare.

Specs

3 of 20 specs differ. Those are in bold.

Compute1 of 5 differStandard_B4as_v2Standard_B4s_v2
vCPUs44
Physical cores22
Threads per core22
Architecturex86_64x86_64
ProcessorAMD EPYC 7763v (Milan)Intel Xeon Platinum 8473C (Sapphire Rapids), Intel Xeon Platinum 8370C (Ice Lake), Intel Xeon Platinum 8573C (Emerald Rapids)
MemoryAll 1 matchStandard_B4as_v2Standard_B4s_v2
Memory (GiB)1616
NetworkingAll 3 matchStandard_B4as_v2Standard_B4s_v2
Network6,250 Mbps6,250 Mbps
Accelerated networkingYesYes
Max network interfaces33
StorageAll 5 matchStandard_B4as_v2Standard_B4s_v2
Max data disks88
Premium SSDYesYes
Max disk IOPS (uncached)6,4006,400
Max disk throughput (uncached)145 MB/s145 MB/s
Ephemeral OS diskNoNo
Instance details1 of 4 differStandard_B4as_v2Standard_B4s_v2
FamilyBasv2Bsv2
CategoryGeneral purposeGeneral purpose
VM generationsV1, V2V1, V2
Encryption at hostYesYes
Other1 of 2 differStandard_B4as_v2Standard_B4s_v2
Seriesbasv2-seriesbsv2-series
Specs sourceAzure Resource SKUs APIAzure Resource SKUs API

On-demand prices by region

Cheapest for Standard_B4as_v2 first. Linux, USD per hour.

RegionStandard_B4as_v2Standard_B4s_v2Difference
Central Indiacentralindia$0.0984$0.179▲ 82%
Jio India Centraljioindiacentral$0.0984$0.179▲ 82%
Jio India Westjioindiawest$0.0984$0.179▲ 82%
East USUsed in summaryeastus$0.15$0.166▲ 11%
East US 2eastus2$0.15$0.166▲ 11%
North Central USnorthcentralus$0.15$0.166▲ 11%
West US 2westus2$0.15$0.166▲ 11%
West US 3westus3$0.15$0.166▲ 11%
Sweden Centralswedencentral$0.156$0.173▲ 11%
North Europenortheurope$0.163$0.182▲ 12%
Canada Centralcanadacentral$0.167$0.186▲ 11%
Canada Eastcanadaeast$0.167$0.186▲ 11%
Central UScentralus$0.17$0.188▲ 11%
France Centralfrancecentral$0.17$0.189▲ 11%
UK Southuksouth$0.17$0.189▲ 11%
Indonesia Centralindonesiacentral$0.171$0.19▲ 11%
Israel Centralisraelcentral$0.172$0.192▲ 12%
Italy Northitalynorth$0.172$0.192▲ 12%
Qatar Centralqatarcentral$0.172$0.192▲ 12%
Germany West Centralgermanywestcentral$0.173$0.192▲ 11%
Korea Southkoreasouth$0.173$0.191▲ 10%
Poland Centralpolandcentral$0.173$0.192▲ 11%
West Europewesteurope$0.173$0.192▲ 11%
Taiwan Northtaiwannorth$0.176$0.196▲ 11%
US Gov Arizonausgovarizona$0.176$0.195▲ 11%
US Gov Virginiausgovvirginia$0.176$0.195▲ 11%
West USwestus$0.178$0.198▲ 11%
South Central USsouthcentralus$0.18$0.2▲ 11%
West Central USwestcentralus$0.18$0.2▲ 11%
UAE Northuaenorth$0.181$0.201▲ 11%
UK Westukwest$0.182$0.201▲ 10%
Korea Centralkoreacentral$0.187$0.208▲ 11%
US Gov Texasusgovtexas$0.188$0.208▲ 11%
Southeast Asiasoutheastasia$0.189$0.211▲ 12%
Australia Centralaustraliacentral$0.19$0.211▲ 11%
Australia Central 2australiacentral2$0.19$0.211▲ 11%
Australia Eastaustraliaeast$0.19$0.211▲ 11%
Norway Eastnorwayeast$0.19$0.211▲ 11%
Switzerland Northswitzerlandnorth$0.19$0.211▲ 11%
West Indiawestindia$0.193$0.213▲ 10%
South Africa Northsouthafricanorth$0.195$0.217▲ 11%
Australia Southeastaustraliasoutheast$0.196$0.216▲ 10%
Japan Eastjapaneast$0.196$0.218▲ 11%
Japan Westjapanwest$0.196$0.218▲ 11%
Spain Centralspaincentral$0.196$0.182▼ 7%
New Zealand Northnewzealandnorth$0.2$0.222▲ 11%
Sweden Southswedensouth$0.202$0.225▲ 11%
East Asiaeastasia$0.21$0.234▲ 11%
South Indiasouthindia$0.212$0.235▲ 11%
France Southfrancesouth$0.221$0.245▲ 11%
Germany Northgermanynorth$0.225$0.25▲ 11%
Taiwan North Westtaiwannorthwest$0.229$0.255▲ 11%
UAE Centraluaecentral$0.235$0.261▲ 11%
Brazil Southbrazilsouth$0.242$0.269▲ 11%
Norway Westnorwaywest$0.247$0.275▲ 11%
Switzerland Westswitzerlandwest$0.247$0.275▲ 11%
South Africa Westsouthafricawest$0.254$0.282▲ 11%
Brazil Southeastbrazilsoutheast$0.315$0.349▲ 11%

Keep exploring

Each type’s own page, and how it compares with others.

Standard_B4as_v2General purpose, Basv2 family
Standard_B4as_v2 prices and specsEvery size in the Basv2 family

Compare Standard_B4as_v2 with

Standard_B4ps_v2
Standard_B4s_v2General purpose, Bsv2 family
Standard_B4s_v2 prices and specsEvery size in the Bsv2 family

Compare Standard_B4s_v2 with

Standard_B4ps_v2

Pay the committed rate, with commitment protection

The best committed rate on these two is 62% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

Connect Azure account

Azure VM Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.