Standard_E64_v4vsStandard_E64a_v4

Standard_E64_v4 and Standard_E64a_v4 cost the same on demand in East US, $4.032 per hour.

At a glanceStandard_E64_v4Standard_E64a_v4
On-demand$4.032/hr$4.032/hr
Lowest rate$0.8487/hrSpot, can be interrupted$0.8487/hrSpot, can be interrupted
Size64 vCPUs, 504 GiB64 vCPUs, 512 GiB
ProcessorIntel Xeon 8473C (Sapphire Rapids), Intel Xeon Platinum 8370C (Ice Lake), Intel Xeon Platinum 8272CL (Cascade Lake), Intel Xeon Platinum 8573C (Emerald Rapids)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_E64_v4Standard_E64a_v4Standard_E64a_v4 vs Standard_E64_v4
On-demandPay by the hour$4.032$4.032Same
SpotCan be interrupted79% off$0.848779% off$0.8487Same
1-yr reservedNo upfront41% off$2.37141% off$2.371Same
3-yr reservedNo upfront62% off$1.51662% off$1.516Same
1-yr savings planHourly commitment32% off$2.72632% off$2.726Same
3-yr savings planHourly commitment53% off$1.90853% off$1.908Same

Key differences

The biggest lead each one has.

Where Standard_E64_v4 leads

No clear lead on the measures we compare.

Where Standard_E64a_v4 leads
Memory (GiB)512 vs 504
2% higher

Specs

10 of 23 specs differ. Those are in bold.

Compute2 of 6 differStandard_E64_v4Standard_E64a_v4
vCPUs6464
Physical cores3232
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon 8473C (Sapphire Rapids), Intel Xeon Platinum 8370C (Ice Lake), Intel Xeon Platinum 8272CL (Cascade Lake), Intel Xeon Platinum 8573C (Emerald Rapids)AMD EPYC 7452 (Rome), AMD EPYC 7763v (Milan)
ACU (compute units)195–
Memory1 of 1 differStandard_E64_v4Standard_E64a_v4
Memory (GiB)504512
Networking1 of 3 differStandard_E64_v4Standard_E64a_v4
Network30,000 Mbps32,000 Mbps
Accelerated networkingYesYes
Max network interfaces88
Storage3 of 7 differStandard_E64_v4Standard_E64a_v4
Storage–32 x 512 GiB temp SSD
Temp disk–1,600 GiB
Max data disks3232
Premium SSDNoNo
Max disk IOPS (uncached)80,00080,000
Max disk throughput (uncached)1,200 MB/s1,200 MB/s
Ephemeral OS diskNoYes
Instance details2 of 4 differStandard_E64_v4Standard_E64a_v4
FamilyEv4Eav4
CategoryMemory optimizedMemory optimized
VM generationsV1, V2V1, V2
Encryption at hostNoYes
Other1 of 2 differStandard_E64_v4Standard_E64a_v4
Seriesev4-serieseav4-series
Specs sourceAzure Resource SKUs APIAzure Resource SKUs API

On-demand prices by region

Cheapest for Standard_E64_v4 first. Linux, USD per hour.

RegionStandard_E64_v4Standard_E64a_v4Difference
East USUsed in summaryeastus$4.032$4.032Same
East US 2eastus2$4.032$4.032Same
North Central USnorthcentralus$4.032$4.032Same
West US 2westus2$4.032$4.032Same
West US 3westus3$4.032$4.032Same
Central Indiacentralindia$4.16$2.542▼ 39%
India South Centralindiasouthcentral$4.16$4.16Same
Jio India Centraljioindiacentral$4.16$2.542▼ 39%
Jio India Westjioindiawest$4.16$2.542▼ 39%
Sweden Centralswedencentral$4.288$4.288Same
Indonesia Centralindonesiacentral$4.378$4.352▼ 1%
Malaysia Westmalaysiawest$4.378$4.378Same
Taiwan Northtaiwannorth$4.378$3.94▼ 10%
Canada Centralcanadacentral$4.416$4.416Same
Canada Eastcanadaeast$4.416$4.416Same
Mexico Centralmexicocentral$4.435$4.435Same
West USwestus$4.48$4.48Same
North Europenortheurope$4.512$4.512Same
Spain Centralspaincentral$4.512$4.256▼ 6%
Central UScentralus$4.556$4.556Same
Korea Southkoreasouth$4.608$4.608Same
France Centralfrancecentral$4.736$4.736Same
Israel Centralisraelcentral$4.736$4.736Same
Italy Northitalynorth$4.736$4.736Same
UK Southuksouth$4.736$4.736Same
Australia Centralaustraliacentral$4.832$4.832Same
Australia Central 2australiacentral2$4.832$4.832Same
Australia Eastaustraliaeast$4.832$4.832Same
US Gov Arizonausgovarizona$4.832$4.832Same
US Gov Virginiausgovvirginia$4.832$4.032▼ 17%
South Central USsouthcentralus$4.838$4.838Same
West Central USwestcentralus$4.838$4.838Same
Germany West Centralgermanywestcentral$4.864$4.864Same
Japan Eastjapaneast$4.864$4.864Same
Korea Centralkoreacentral$4.864$4.864Same
Poland Centralpolandcentral$4.864$4.864Same
Southeast Asiasoutheastasia$4.864$4.864Same
West Europewesteurope$4.864$4.864Same
West Indiawestindia$4.864$5.161▲ 6%
UK Westukwest$4.879$4.879Same
Qatar Centralqatarcentral$4.963$4.963Same
UAE Northuaenorth$4.963$4.963Same
US Gov Texasusgovtexas$5.04$5.04Same
New Zealand Northnewzealandnorth$5.075$5.074Same
Australia Southeastaustraliasoutheast$5.242$5.242Same
South Indiasouthindia$5.334$5.685▲ 7%
East Asiaeastasia$5.344$5.344Same
Japan Westjapanwest$5.35$4.864▼ 9%
Norway Eastnorwayeast$5.35$5.766▲ 8%
Switzerland Northswitzerlandnorth$5.35$5.766▲ 8%
South Africa Northsouthafricanorth$5.376$5.376Same
Taiwan North Westtaiwannorthwest$5.691$5.122▼ 10%
France Southfrancesouth$6.129$6.157Same
UAE Centraluaecentral$6.29$6.451▲ 3%
Germany Northgermanynorth$6.324$6.323Same
Brazil Southbrazilsouth$6.432$6.432Same
South Africa Westsouthafricawest$6.774$6.989▲ 3%
Norway Westnorwaywest$6.956$7.495▲ 8%
Switzerland Westswitzerlandwest$7.066$7.495▲ 6%
Brazil Southeastbrazilsoutheast$8.362$8.362Same

Keep exploring

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

Standard_E64_v4Memory optimized, Ev4 family
Standard_E64_v4 prices and specsEvery size in the Ev4 family

Compare Standard_E64_v4 with

Standard_D64_v4Standard_E64d_v4Standard_E64ds_v4Standard_E64s_v4Standard_E64_v3Standard_E64_v5
Standard_E64a_v4Memory optimized, Eav4 family
Standard_E64a_v4 prices and specsEvery size in the Eav4 family

Compare Standard_E64a_v4 with

Standard_D64a_v4Standard_E64as_v4

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.