Standard_E20a_v4vsStandard_E20as_v4

Standard_E20a_v4 and Standard_E20as_v4 cost the same on demand in East US, $1.26 per hour.

At a glanceStandard_E20a_v4Standard_E20as_v4
On-demand$1.26/hr$1.26/hr
Lowest rate$0.2652/hrSpot, can be interrupted$0.2652/hrSpot, can be interrupted
Size20 vCPUs, 160 GiB20 vCPUs, 160 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_E20a_v4Standard_E20as_v4Standard_E20as_v4 vs Standard_E20a_v4
On-demandPay by the hour$1.26$1.26Same
SpotCan be interrupted79% off$0.265279% off$0.2652Same
1-yr reservedNo upfront41% off$0.740941% off$0.7409Same
3-yr reservedNo upfront62% off$0.473762% off$0.4737Same
1-yr savings planHourly commitment32% off$0.85232% off$0.852Same
3-yr savings planHourly commitment53% off$0.596453% off$0.5964Same

Key differences

The biggest lead each one has.

Where Standard_E20a_v4 leads
Temp disk500 GiB vs 320 GiB
56% higher
Where Standard_E20as_v4 leads

No clear lead on the measures we compare.

Specs

5 of 22 specs differ. Those are in bold.

ComputeAll 5 matchStandard_E20a_v4Standard_E20as_v4
vCPUs2020
Physical cores1010
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_E20a_v4Standard_E20as_v4
Memory (GiB)160160
NetworkingAll 3 matchStandard_E20a_v4Standard_E20as_v4
Network12,000 Mbps12,000 Mbps
Accelerated networkingYesYes
Max network interfaces88
Storage3 of 7 differStandard_E20a_v4Standard_E20as_v4
Storage32 x 160 GiB temp SSD320 GiB temp SSD
Temp disk500 GiB320 GiB
Max data disks3232
Premium SSDNoYes
Max disk IOPS (uncached)32,00032,000
Max disk throughput (uncached)480 MB/s480 MB/s
Ephemeral OS diskYesYes
Instance details1 of 4 differStandard_E20a_v4Standard_E20as_v4
FamilyEav4Easv4
CategoryMemory optimizedMemory optimized
VM generationsV1, V2V1, V2
Encryption at hostYesYes
Other1 of 2 differStandard_E20a_v4Standard_E20as_v4
Serieseav4-serieseasv4-series
Specs sourceAzure Resource SKUs APIAzure Resource SKUs API

On-demand prices by region

Cheapest for Standard_E20a_v4 first. Linux, USD per hour.

RegionStandard_E20a_v4Standard_E20as_v4Difference
Central Indiacentralindia$0.794$0.794Same
Jio India Centraljioindiacentral$0.794$0.794Same
Jio India Westjioindiawest$0.794$0.794Same
Taiwan Northtaiwannorth$1.231$1.231Same
East USUsed in summaryeastus$1.26$1.26Same
East US 2eastus2$1.26$1.26Same
North Central USnorthcentralus$1.26$1.26Same
US Gov Virginiausgovvirginia$1.26$1.26Same
West US 2westus2$1.26$1.26Same
West US 3westus3$1.26$1.26Same
India South Centralindiasouthcentral$1.30$1.30Same
Spain Centralspaincentral$1.33$1.33Same
Sweden Centralswedencentral$1.34$1.34Same
Indonesia Centralindonesiacentral$1.36$1.36Same
Malaysia Westmalaysiawest$1.368$1.368Same
Canada Centralcanadacentral$1.38$1.38Same
Canada Eastcanadaeast$1.38$1.38Same
Mexico Centralmexicocentral$1.386$1.386Same
West USwestus$1.40$1.40Same
North Europenortheurope$1.41$1.41Same
Central UScentralus$1.424$1.424Same
Korea Southkoreasouth$1.44$1.44Same
France Centralfrancecentral$1.48$1.48Same
Israel Centralisraelcentral$1.48$1.48Same
Italy Northitalynorth$1.48$1.48Same
UK Southuksouth$1.48$1.48Same
Australia Centralaustraliacentral$1.51$1.51Same
Australia Central 2australiacentral2$1.51$1.51Same
Australia Eastaustraliaeast$1.51$1.51Same
US Gov Arizonausgovarizona$1.51$1.51Same
South Central USsouthcentralus$1.512$1.512Same
West Central USwestcentralus$1.512$1.512Same
Germany West Centralgermanywestcentral$1.52$1.52Same
Japan Eastjapaneast$1.52$1.52Same
Japan Westjapanwest$1.52$1.52Same
Korea Centralkoreacentral$1.52$1.52Same
Poland Centralpolandcentral$1.52$1.52Same
Southeast Asiasoutheastasia$1.52$1.52Same
West Europewesteurope$1.52$1.52Same
UK Westukwest$1.525$1.525Same
Qatar Centralqatarcentral$1.551$1.551Same
UAE Northuaenorth$1.551$1.551Same
US Gov Texasusgovtexas$1.575$1.575Same
New Zealand Northnewzealandnorth$1.586$1.586Same
Taiwan North Westtaiwannorthwest$1.601$1.601Same
West Indiawestindia$1.613$1.613Same
Australia Southeastaustraliasoutheast$1.638$1.638Same
East Asiaeastasia$1.67$1.67Same
South Africa Northsouthafricanorth$1.68$1.68Same
Sweden Southswedensouth$1.742$1.742Same
South Indiasouthindia$1.777$1.777Same
Norway Eastnorwayeast$1.802$1.802Same
Switzerland Northswitzerlandnorth$1.802$1.802Same
France Southfrancesouth$1.924$1.924Same
Germany Northgermanynorth$1.976$1.976Same
Brazil Southbrazilsouth$2.01$2.01Same
UAE Centraluaecentral$2.016$2.016Same
South Africa Westsouthafricawest$2.184$2.184Same
Norway Westnorwaywest$2.342$2.342Same
Switzerland Westswitzerlandwest$2.342$2.342Same
Brazil Southeastbrazilsoutheast$2.613$2.613Same

Keep exploring

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

Standard_E20a_v4Memory optimized, Eav4 family
Standard_E20a_v4 prices and specsEvery size in the Eav4 family

Compare Standard_E20a_v4 with

Standard_E20_v4
Standard_E20as_v4Memory optimized, Easv4 family
Standard_E20as_v4 prices and specsEvery size in the Easv4 family

Compare Standard_E20as_v4 with

Standard_E20s_v4Standard_E20as_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.