a1.4xlarge vs x8i.4xlarge

Instance Typea1.4xlargex8i.4xlarge
Instance FamilyGeneral purposeMemory optimized
DetailsObsolete. Not recommended for use
Web servers, containerized microservices, caching fleets, distributed data stores, and dev environments.

aARM AWS Graviton Processor
1 – Generation
4xlarge – 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
4xlarge – Size
vCPUs1616
Memory32 GiB256 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
Variantsx8g.4xlarge
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput3500 MBpsup to 10000 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 15000 Megabit
Enhanced Networkingyesyes
Max Interfaces88
Max Cards11
IPv4 Addresses per Interface3050
IPv6 Addresses per Interface3050
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x4.28x

Regional Prices

Geography
Region
a1.4xlarge
x8i.4xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.4080n/a
HiddenHidden (hidden-1)0.40801.9965
HiddenHidden (hidden-2)0.46082.4510
HiddenHidden (hidden-3)0.4656n/a
HiddenHidden (hidden-4)0.4704n/a
HiddenHidden (hidden-5)0.5136n/a
HiddenHidden (hidden-6)0.5328n/a
USUS East (Ohio) (us-east-2)0.40801.7506
USUS East (Virginia) (us-east-1)0.40801.7506
USUS West (Oregon) (us-west-2)n/a1.7506
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