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a1.xlarge vs d3en.xlarge

Instance Typea1.xlarged3en.xlarge
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
xlarge – Size
Massively Parallel Processing (MPP) data warehousing, MapReduce/Hadoop computing, distributed/file network systems, and log/data-processing applications.

d – Disk / storage optimized
3 – Generation
e – Extra storage or memory
n – Network and EBS optimized
xlarge – Size
vCPUs44
Memory8 GiB16 GiB
CPU Architecturearm64x86_64
ProcessorAWS Graviton ProcessorIntel Xeon Platinum 8259 (Cascade Lake)
Clock Speed2.3 GHz3.1 GHz
Threads Per Core12
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesa1.2xlarge, a1.4xlarge, a1.large, a1.medium, a1.metal, a1.xlarged3en.12xlarge, d3en.2xlarge, d3en.4xlarge, d3en.6xlarge, d3en.8xlarge, d3en.xlarge
Variantsd3.xlarge
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS only2 x 14000 HDD
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 3500 MBpsup to 2800 MBps
Optimized Baseline Bandwidth800 Mbps850 Mbps
Optimized Baseline Throughput100 Mbps106.25 Mbps
Optimized Baseline Performance6000 IOPS5000 IOPS
Optimized Max Performance20000 IOPS15000 IOPS
Optimized Max Bandwidth3500 Mbps2800 Mbps
Optimized Max Throughput437.5 Mbps350 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 25 Gigabit
Enhanced Networkingyesyes
Max Interfaces44
Max Cards11
IPv4 Addresses per Interface153
IPv6 Addresses per Interface153
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x5.66x

Regional Prices

Geography
Region
a1.xlarge
d3en.xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.1020n/a
EuropeEurope (Ireland) (eu-west-1)n/a0.6410
HiddenHidden (hidden-1)0.10200.6590
HiddenHidden (hidden-2)0.11520.6590
HiddenHidden (hidden-3)0.11640.6590
HiddenHidden (hidden-4)0.11760.6930
HiddenHidden (hidden-5)0.12840.7620
HiddenHidden (hidden-6)0.1332n/a
USUS East (Ohio) (us-east-2)0.1020n/a
USUS East (Virginia) (us-east-1)0.10200.5260
USUS West (Oregon) (us-west-2)n/a0.5260
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