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a1.large vs im4gn.large

Instance Typea1.largeim4gn.large
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
large – Size
NoSQL databases (like Cassandra, MongoDB, Redis), in-memory databases (such as Aerospike), scalable transactional databases, data warehousing, Elasticsearch, and analytics tasks.

im – IOPS / storage optimized with a one to four ratio of vCPU to memory
4 – Generation
g – AWS Graviton processor
n – Network and EBS optimized
large – Size
vCPUs22
Memory4 GiB8 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.xlargeim4gn.16xlarge, im4gn.2xlarge, im4gn.4xlarge, im4gn.8xlarge, im4gn.large, im4gn.xlarge
OpenSearchim4gn.large.search
Free Tiernono
Burstablenono
Hibernationnoyes
Instance StorageEBS only1 x 937 SSD
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 3500 MBpsup to 9500 MBps
Optimized Baseline Bandwidth525 Mbps1250 Mbps
Optimized Baseline Throughput65.625 Mbps156.25 Mbps
Optimized Baseline Performance4000 IOPS5000 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 Networkingyesyes
Max Interfaces33
Max Cards11
IPv4 Addresses per Interface1010
IPv6 Addresses per Interface1010
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x3.60x

Regional Prices

Geography
Region
a1.large
im4gn.large
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.0510n/a
HiddenHidden (hidden-1)0.05100.2006
HiddenHidden (hidden-10)n/a0.2180
HiddenHidden (hidden-11)n/a0.2180
HiddenHidden (hidden-2)0.05760.2006
HiddenHidden (hidden-3)0.05820.2006
HiddenHidden (hidden-4)0.05880.2065
HiddenHidden (hidden-5)0.06420.2110
HiddenHidden (hidden-6)0.06660.2111
HiddenHidden (hidden-7)n/a0.2111
HiddenHidden (hidden-8)n/a0.2134
HiddenHidden (hidden-9)n/a0.2169
USUS East (Ohio) (us-east-2)0.05100.1819
USUS East (Virginia) (us-east-1)0.05100.1819
USUS West (Oregon) (us-west-2)n/a0.1819
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