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a1.medium vs x8g.medium

Instance Typea1.mediumx8g.medium
Instance FamilyGeneral purposeMemory 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
medium – Size
In-memory databases (like SAP HANA), big data engines (such as Apache Spark, Presto), high-performance computing (HPC), and memory-heavy enterprise apps.

x – Extreme RAM / memory intensive
8 – Generation
g – AWS Graviton processor
medium – Size
vCPUs11
Memory2 GiB16 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.xlargex8g.12xlarge, x8g.16xlarge, x8g.24xlarge, x8g.2xlarge, x8g.48xlarge, x8g.4xlarge, x8g.8xlarge, x8g.large, x8g.medium, x8g.metal-24xl, x8g.metal-48xl, x8g.xlarge
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 3500 MBpsup to 10240 MBps
Optimized Baseline Bandwidth300 Mbps315 Mbps
Optimized Baseline Throughput37.5 Mbps39.375 Mbps
Optimized Baseline Performance2500 IOPS2500 IOPS
Optimized Max Performance20000 IOPS40000 IOPS
Optimized Max Bandwidth3500 Mbps10000 Mbps
Optimized Max Throughput437.5 Mbps1250 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 12.5 Gigabit
Enhanced Networkingyesyes
Max Interfaces22
Max Cards11
IPv4 Addresses per Interface44
IPv6 Addresses per Interface44
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x3.88x

Regional Prices

Geography
Region
a1.medium
x8g.medium
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.0255n/a
HiddenHidden (hidden-1)0.02550.1112
HiddenHidden (hidden-2)0.02880.1172
HiddenHidden (hidden-3)0.02910.1366
HiddenHidden (hidden-4)0.0294n/a
HiddenHidden (hidden-5)0.0321n/a
HiddenHidden (hidden-6)0.0333n/a
USUS East (Ohio) (us-east-2)0.02550.0977
USUS East (Virginia) (us-east-1)0.02550.0977
USUS West (Oregon) (us-west-2)n/a0.0977
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