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a1.4xlarge vs is4gen.4xlarge

Instance Typea1.4xlargeis4gen.4xlarge
Instance FamilyGeneral purposeStorage optimized
DetailsObsolete. Not recommended for use
Web servers, containerized microservices, caching fleets, distributed data stores, and dev environments.

a – ARM AWS Graviton Processor
1 – Generation
4xlarge – Size
NoSQL databases (like Cassandra, MongoDB, Redis), in-memory databases (such as Aerospike), scalable transactional databases, data warehousing, Elasticsearch, and analytics tasks.

is – IOPS / storage optimized with a one to six ratio of vCPU to memory
4 – Generation
g – AWS Graviton processor
e – Extra storage or memory
n – Network and EBS optimized
4xlarge – Size
vCPUs1616
Memory32 GiB96 GiB
CPU Architecturearm64arm64
ProcessorAWS Graviton ProcessorAWS Graviton2 Processor
Clock Speed2.3 GHz2.5 GHz
Threads Per Core11
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesa1.2xlarge, a1.4xlarge, a1.large, a1.medium, a1.metal, a1.xlargeis4gen.2xlarge, is4gen.4xlarge, is4gen.8xlarge, is4gen.large, is4gen.medium, is4gen.xlarge
Free Tiernono
Burstablenono
Hibernationnoyes
Instance StorageEBS only2 x 7500 SSD
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput3500 MBps9500 MBps
Optimized Baseline Bandwidth3500 Mbps10000 Mbps
Optimized Baseline Throughput437.5 Mbps1250 Mbps
Optimized Baseline Performance20000 IOPS40000 IOPS
Optimized Max Performance20000 IOPS40000 IOPS
Optimized Max Bandwidth3500 Mbps10000 Mbps
Optimized Max Throughput437.5 Mbps1250 Mbps
Networking
Networking PerformanceUp to 10 Gigabit25 Gigabit
Enhanced Networkingyesyes
Max Interfaces88
Max Cards11
IPv4 Addresses per Interface3030
IPv6 Addresses per Interface3030
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x5.70x

Regional Prices

Geography
Region
a1.4xlarge
is4gen.4xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.4080n/a
HiddenHidden (hidden-1)0.40802.5500
HiddenHidden (hidden-2)0.46082.5500
HiddenHidden (hidden-3)0.46562.6200
HiddenHidden (hidden-4)0.47042.6826
HiddenHidden (hidden-5)0.51362.6826
HiddenHidden (hidden-6)0.53282.7132
HiddenHidden (hidden-7)n/a2.7540
HiddenHidden (hidden-8)n/a2.7642
HiddenHidden (hidden-9)n/a2.7642
USUS East (Ohio) (us-east-2)0.40802.3052
USUS East (Virginia) (us-east-1)0.40802.3052
USUS West (Oregon) (us-west-2)n/a2.3052
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