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a1.4xlarge vs i8g.4xlarge

Instance Typea1.4xlargei8g.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.

i – IOPS / storage optimized
8 – Generation
g – AWS Graviton processor
4xlarge – Size
vCPUs1616
Memory32 GiB128 GiB
CPU Architecturearm64arm64
ProcessorAWS Graviton ProcessorAWS Graviton4 Processor
Clock Speed2.3 GHz2.8 GHz
Threads Per Core11
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesa1.2xlarge, a1.4xlarge, a1.large, a1.medium, a1.metal, a1.xlargei8g.12xlarge, i8g.16xlarge, i8g.24xlarge, i8g.2xlarge, i8g.48xlarge, i8g.4xlarge, i8g.8xlarge, i8g.large, i8g.metal-24xl, i8g.metal-48xl, i8g.xlarge
Generationsi4g.4xlarge, i8g.4xlarge
OpenSearchi8g.4xlarge.search
Free Tiernono
Burstablenono
Hibernationnoyes
Instance StorageEBS only1 x 3750GB
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput3500 MBpsup to 10240 MBps
Optimized Baseline Bandwidth3500 Mbps5000 Mbps
Optimized Baseline Throughput437.5 Mbps625 Mbps
Optimized Baseline Performance20000 IOPS20000 IOPS
Optimized Max Performance20000 IOPS40000 IOPS
Optimized Max Bandwidth3500 Mbps10000 Mbps
Optimized Max Throughput437.5 Mbps1250 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 25 Gigabit
Enhanced Networkingyesno
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 Diff1.00x3.48x

Regional Prices

Geography
Region
a1.4xlarge
i8g.4xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.4080n/a
HiddenHidden (hidden-1)0.40801.4352
HiddenHidden (hidden-10)n/a1.6368
HiddenHidden (hidden-11)n/a1.6456
HiddenHidden (hidden-12)n/a1.6456
HiddenHidden (hidden-13)n/a2.1920
HiddenHidden (hidden-2)0.46081.5128
HiddenHidden (hidden-3)0.46561.5128
HiddenHidden (hidden-4)0.47041.5128
HiddenHidden (hidden-5)0.51361.5576
HiddenHidden (hidden-6)0.53281.5928
HiddenHidden (hidden-7)n/a1.6104
HiddenHidden (hidden-8)n/a1.6104
HiddenHidden (hidden-9)n/a1.6128
USUS East (Ohio) (us-east-2)0.40801.3728
USUS East (Virginia) (us-east-1)0.40801.3728
USUS West (Oregon) (us-west-2)n/a1.3728
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