Standard_D8a_v4vsStandard_D8as_v4

Standard_D8a_v4 and Standard_D8as_v4 cost the same on demand in East US, $0.384 per hour.

At a glanceStandard_D8a_v4Standard_D8as_v4
On-demand$0.384/hr$0.384/hr
Lowest rate$0.081/hrSpot, can be interrupted$0.081/hrSpot, can be interrupted
Size8 vCPUs, 32 GiB8 vCPUs, 32 GiB
ProcessorAMD EPYC 7452 (Rome), AMD EPYC 7763v (Milan)AMD EPYC 7452 (Rome), AMD EPYC 7763v (Genoa)
Architecturex86_64x86_64

Prices in East US

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

OptionStandard_D8a_v4Standard_D8as_v4Standard_D8as_v4 vs Standard_D8a_v4
On-demandPay by the hour$0.384$0.384Same
SpotCan be interrupted79% off$0.08179% off$0.081Same
1-yr reservedNo upfront41% off$0.225841% off$0.2258Same
3-yr reservedNo upfront62% off$0.144462% off$0.1444Same
1-yr savings planHourly commitment31% off$0.263331% off$0.2633Same
3-yr savings planHourly commitment54% off$0.176754% off$0.1767Same

Key differences

The biggest lead each one has.

Where Standard_D8a_v4 leads
Temp disk200 GiB vs 64 GiB
3.1× higher
Where Standard_D8as_v4 leads

No clear lead on the measures we compare.

Specs

6 of 22 specs differ. Those are in bold.

Compute1 of 5 differStandard_D8a_v4Standard_D8as_v4
vCPUs88
Physical cores44
Threads per core22
Architecturex86_64x86_64
ProcessorAMD EPYC 7452 (Rome), AMD EPYC 7763v (Milan)AMD EPYC 7452 (Rome), AMD EPYC 7763v (Genoa)
MemoryAll 1 matchStandard_D8a_v4Standard_D8as_v4
Memory (GiB)3232
NetworkingAll 3 matchStandard_D8a_v4Standard_D8as_v4
Network8,000 Mbps8,000 Mbps
Accelerated networkingYesYes
Max network interfaces44
Storage3 of 7 differStandard_D8a_v4Standard_D8as_v4
Storage200 GiB temp SSD16 x 64 GiB temp SSD
Temp disk200 GiB64 GiB
Max data disks1616
Premium SSDNoYes
Max disk IOPS (uncached)12,80012,800
Max disk throughput (uncached)192 MB/s192 MB/s
Ephemeral OS diskYesYes
Instance details1 of 4 differStandard_D8a_v4Standard_D8as_v4
FamilyDav4Dasv4
CategoryGeneral purposeGeneral purpose
VM generationsV1, V2V1, V2
Encryption at hostYesYes
Other1 of 2 differStandard_D8a_v4Standard_D8as_v4
Seriesdav4-seriesdasv4-series
Specs sourceAzure Resource SKUs APIAzure Resource SKUs API

On-demand prices by region

Cheapest for Standard_D8a_v4 first. Linux, USD per hour.

RegionStandard_D8a_v4Standard_D8as_v4Difference
Central Indiacentralindia$0.246$0.246Same
Jio India Centraljioindiacentral$0.246$0.246Same
Jio India Westjioindiawest$0.246$0.246Same
India South Centralindiasouthcentral$0.364$0.364Same
East USUsed in summaryeastus$0.384$0.384Same
East US 2eastus2$0.384$0.384Same
North Central USnorthcentralus$0.384$0.384Same
West US 2westus2$0.384$0.384Same
West US 3westus3$0.384$0.384Same
Taiwan Northtaiwannorth$0.402$0.402Same
Spain Centralspaincentral$0.404$0.404Same
Sweden Centralswedencentral$0.408$0.408Same
Germany West Centralgermanywestcentral$0.416$0.416Same
Poland Centralpolandcentral$0.416$0.416Same
Mexico Centralmexicocentral$0.422$0.422Same
Canada Centralcanadacentral$0.428$0.428Same
Canada Eastcanadaeast$0.428$0.428Same
North Europenortheurope$0.428$0.428Same
Indonesia Centralindonesiacentral$0.432$0.432Same
Malaysia Westmalaysiawest$0.432$0.432Same
Central UScentralus$0.434$0.434Same
Korea Southkoreasouth$0.443$0.443Same
UK Southuksouth$0.444$0.444Same
France Centralfrancecentral$0.448$0.448Same
Israel Centralisraelcentral$0.448$0.448Same
Italy Northitalynorth$0.448$0.448Same
West USwestus$0.448$0.448Same
New Zealand Northnewzealandnorth$0.454$0.454Same
West Europewesteurope$0.46$0.46Same
South Central USsouthcentralus$0.461$0.461Same
West Central USwestcentralus$0.461$0.461Same
UK Westukwest$0.465$0.465Same
Qatar Centralqatarcentral$0.471$0.471Same
UAE Northuaenorth$0.471$0.471Same
Korea Centralkoreacentral$0.472$0.472Same
Australia Centralaustraliacentral$0.48$0.48Same
Australia Central 2australiacentral2$0.48$0.48Same
Australia Eastaustraliaeast$0.48$0.48Same
Southeast Asiasoutheastasia$0.48$0.48Same
US Gov Texasusgovtexas$0.48$0.48Same
US Gov Arizonausgovarizona$0.484$0.484Same
US Gov Virginiausgovvirginia$0.484$0.484Same
West Indiawestindia$0.492$0.492Same
Japan Eastjapaneast$0.496$0.496Same
Japan Westjapanwest$0.496$0.496Same
Australia Southeastaustraliasoutheast$0.499$0.499Same
South Africa Northsouthafricanorth$0.508$0.508Same
Taiwan North Westtaiwannorthwest$0.522$0.522Same
East Asiaeastasia$0.528$0.528Same
Sweden Southswedensouth$0.53$0.53Same
Germany Northgermanynorth$0.541$0.541Same
South Indiasouthindia$0.541$0.541Same
Norway Eastnorwayeast$0.549$0.549Same
Switzerland Northswitzerlandnorth$0.549$0.549Same
France Southfrancesouth$0.582$0.582Same
Brazil Southbrazilsouth$0.612$0.612Same
UAE Centraluaecentral$0.614$0.614Same
South Africa Westsouthafricawest$0.66$0.66Same
Norway Westnorwaywest$0.714$0.714Same
Switzerland Westswitzerlandwest$0.714$0.714Same
Brazil Southeastbrazilsoutheast$0.796$0.796Same

Keep exploring

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

Standard_D8a_v4General purpose, Dav4 family
Standard_D8a_v4 prices and specsEvery size in the Dav4 family

Compare Standard_D8a_v4 with

Standard_D8_v4Standard_E8a_v4
Standard_D8as_v4General purpose, Dasv4 family
Standard_D8as_v4 prices and specsEvery size in the Dasv4 family

Compare Standard_D8as_v4 with

Standard_D8s_v4Standard_E8as_v4Standard_D8as_v5

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.

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