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a1.xlarge vs x8i.xlarge

Instance Typea1.xlargex8i.xlarge
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
xlarge – 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
i – Intel processor
xlarge – Size
vCPUs44
Memory8 GiB64 GiB
CPU Architecturearm64x86_64
ProcessorAWS Graviton ProcessorIntel Xeon Scalable (Granite Rapids)
Clock Speed2.3 GHz3.9 GHz
Threads Per Core12
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesa1.2xlarge, a1.4xlarge, a1.large, a1.medium, a1.metal, a1.xlargex8i.12xlarge, x8i.16xlarge, x8i.24xlarge, x8i.2xlarge, x8i.32xlarge, x8i.48xlarge, x8i.4xlarge, x8i.64xlarge, x8i.8xlarge, x8i.96xlarge, x8i.large, x8i.metal-48xl, x8i.metal-96xl, x8i.xlarge
Variantsx8aedz.xlarge, x8g.xlarge
Free Tiernono
Burstablenono
Hibernationnoyes
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 3500 MBpsup to 10000 MBps
Optimized Baseline Bandwidth800 Mbps1250 Mbps
Optimized Baseline Throughput100 Mbps156.25 Mbps
Optimized Baseline Performance6000 IOPS6000 IOPS
Optimized Max Performance20000 IOPS40000 IOPS
Optimized Max Bandwidth3500 Mbps10000 Mbps
Optimized Max Throughput437.5 Mbps1250 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 12500 Megabit
Enhanced Networkingyesyes
Max Interfaces44
Max Cards11
IPv4 Addresses per Interface1530
IPv6 Addresses per Interface1530
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x4.28x

Regional Prices

Geography
Region
a1.xlarge
x8i.xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.1020n/a
HiddenHidden (hidden-1)0.10200.4991
HiddenHidden (hidden-2)0.11520.6127
HiddenHidden (hidden-3)0.1164n/a
HiddenHidden (hidden-4)0.1176n/a
HiddenHidden (hidden-5)0.1284n/a
HiddenHidden (hidden-6)0.1332n/a
USUS East (Ohio) (us-east-2)0.10200.4377
USUS East (Virginia) (us-east-1)0.10200.4377
USUS West (Oregon) (us-west-2)n/a0.4377
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