Standard_E4a_v4vsStandard_E4as_v4

Standard_E4a_v4 and Standard_E4as_v4 cost the same on demand in East US, $0.252 per hour.

At a glanceStandard_E4a_v4Standard_E4as_v4
On-demand$0.252/hr$0.252/hr
Lowest rate$0.053/hrSpot, can be interrupted$0.053/hrSpot, can be interrupted
Size4 vCPUs, 32 GiB4 vCPUs, 32 GiB
ProcessorAMD EPYC 7452 (Rome), AMD EPYC 7763v (Milan)AMD EPYC 7452 (Rome), AMD EPYC 7763v (Milan)
Architecturex86_64x86_64

Prices in East US

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

OptionStandard_E4a_v4Standard_E4as_v4Standard_E4as_v4 vs Standard_E4a_v4
On-demandPay by the hour$0.252$0.252Same
SpotCan be interrupted79% off$0.05379% off$0.053Same
1-yr reservedNo upfront41% off$0.148241% off$0.1482Same
3-yr reservedNo upfront62% off$0.094762% off$0.0947Same
1-yr savings planHourly commitment32% off$0.170432% off$0.1704Same
3-yr savings planHourly commitment53% off$0.119353% off$0.1193Same

Key differences

The biggest lead each one has.

Where Standard_E4a_v4 leads
Temp disk100 GiB vs 64 GiB
56% higher
Where Standard_E4as_v4 leads

No clear lead on the measures we compare.

Specs

5 of 22 specs differ. Those are in bold.

ComputeAll 5 matchStandard_E4a_v4Standard_E4as_v4
vCPUs44
Physical cores22
Threads per core22
Architecturex86_64x86_64
ProcessorAMD EPYC 7452 (Rome), AMD EPYC 7763v (Milan)AMD EPYC 7452 (Rome), AMD EPYC 7763v (Milan)
MemoryAll 1 matchStandard_E4a_v4Standard_E4as_v4
Memory (GiB)3232
NetworkingAll 3 matchStandard_E4a_v4Standard_E4as_v4
Network4,000 Mbps4,000 Mbps
Accelerated networkingYesYes
Max network interfaces22
Storage3 of 7 differStandard_E4a_v4Standard_E4as_v4
Storage8 x 32 GiB temp SSD64 GiB temp SSD
Temp disk100 GiB64 GiB
Max data disks88
Premium SSDNoYes
Max disk IOPS (uncached)6,4006,400
Max disk throughput (uncached)96 MB/s96 MB/s
Ephemeral OS diskYesYes
Instance details1 of 4 differStandard_E4a_v4Standard_E4as_v4
FamilyEav4Easv4
CategoryMemory optimizedMemory optimized
VM generationsV1, V2V1, V2
Encryption at hostYesYes
Other1 of 2 differStandard_E4a_v4Standard_E4as_v4
Serieseav4-serieseasv4-series
Specs sourceAzure Resource SKUs APIAzure Resource SKUs API

On-demand prices by region

Cheapest for Standard_E4a_v4 first. Linux, USD per hour.

RegionStandard_E4a_v4Standard_E4as_v4Difference
Central Indiacentralindia$0.158$0.158Same
Jio India Centraljioindiacentral$0.158$0.158Same
Jio India Westjioindiawest$0.158$0.158Same
Taiwan Northtaiwannorth$0.246$0.246Same
East USUsed in summaryeastus$0.252$0.252Same
East US 2eastus2$0.252$0.252Same
North Central USnorthcentralus$0.252$0.252Same
US Gov Virginiausgovvirginia$0.252$0.252Same
West US 2westus2$0.252$0.252Same
West US 3westus3$0.252$0.252Same
India South Centralindiasouthcentral$0.26$0.26Same
Spain Centralspaincentral$0.266$0.266Same
Sweden Centralswedencentral$0.268$0.268Same
Indonesia Centralindonesiacentral$0.272$0.272Same
Malaysia Westmalaysiawest$0.274$0.274Same
Canada Centralcanadacentral$0.276$0.276Same
Canada Eastcanadaeast$0.276$0.276Same
Mexico Centralmexicocentral$0.277$0.277Same
West USwestus$0.28$0.28Same
North Europenortheurope$0.282$0.282Same
Central UScentralus$0.285$0.285Same
Korea Southkoreasouth$0.288$0.288Same
France Centralfrancecentral$0.296$0.296Same
Israel Centralisraelcentral$0.296$0.296Same
Italy Northitalynorth$0.296$0.296Same
UK Southuksouth$0.296$0.296Same
Australia Centralaustraliacentral$0.302$0.302Same
Australia Central 2australiacentral2$0.302$0.302Same
Australia Eastaustraliaeast$0.302$0.302Same
South Central USsouthcentralus$0.302$0.302Same
US Gov Arizonausgovarizona$0.302$0.302Same
West Central USwestcentralus$0.302$0.302Same
Germany West Centralgermanywestcentral$0.304$0.304Same
Japan Eastjapaneast$0.304$0.304Same
Japan Westjapanwest$0.304$0.304Same
Korea Centralkoreacentral$0.304$0.304Same
Poland Centralpolandcentral$0.304$0.304Same
Southeast Asiasoutheastasia$0.304$0.304Same
West Europewesteurope$0.304$0.304Same
UK Westukwest$0.305$0.305Same
Qatar Centralqatarcentral$0.31$0.31Same
UAE Northuaenorth$0.31$0.31Same
US Gov Texasusgovtexas$0.315$0.315Same
New Zealand Northnewzealandnorth$0.317$0.317Same
Taiwan North Westtaiwannorthwest$0.32$0.32Same
West Indiawestindia$0.323$0.323Same
Australia Southeastaustraliasoutheast$0.328$0.328Same
East Asiaeastasia$0.334$0.334Same
South Africa Northsouthafricanorth$0.336$0.336Same
Sweden Southswedensouth$0.348$0.348Same
South Indiasouthindia$0.355$0.355Same
Norway Eastnorwayeast$0.36$0.36Same
Switzerland Northswitzerlandnorth$0.36$0.36Same
France Southfrancesouth$0.385$0.385Same
Germany Northgermanynorth$0.395$0.395Same
Brazil Southbrazilsouth$0.402$0.402Same
UAE Centraluaecentral$0.403$0.403Same
South Africa Westsouthafricawest$0.437$0.437Same
Norway Westnorwaywest$0.468$0.468Same
Switzerland Westswitzerlandwest$0.468$0.468Same
Brazil Southeastbrazilsoutheast$0.523$0.523Same

Keep exploring

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

Standard_E4a_v4Memory optimized, Eav4 family
Standard_E4a_v4 prices and specsEvery size in the Eav4 family

Compare Standard_E4a_v4 with

Standard_D4a_v4Standard_E4_v4
Standard_E4as_v4Memory optimized, Easv4 family
Standard_E4as_v4 prices and specsEvery size in the Easv4 family

Compare Standard_E4as_v4 with

Standard_D4as_v4Standard_E4s_v4Standard_E4as_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.

Connect Azure account

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