a1.2xlarge vs r4.2xlarge

Instance Typea1.2xlarger4.2xlarge
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
2xlarge – Size
Obsolete. Not recommended for use
High-performance databases, data mining/analysis, in-memory databases, distributed large-scale caches, real-time processing apps for unstructured big data, Hadoop/Spark clusters, and other enterprise apps.

r – RAM / memory optimized
4 – Generation
2xlarge – Size
vCPUs88
Memory16 GiB61 GiB
CPU Architecturearm64x86_64
ProcessorAWS Graviton ProcessorIntel Xeon E5-2686 v4 (Broadwell)
Clock Speed2.3 GHz2.3 GHz
Threads Per Core12
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesa1.2xlarge, a1.4xlarge, a1.large, a1.medium, a1.metal, a1.xlarger4.16xlarge, r4.2xlarge, r4.4xlarge, r4.8xlarge, r4.large, r4.xlarge
Generationsr3.2xlarge, r4.2xlarge, r5.2xlarge, r6i.2xlarge, r7i.2xlarge, r8i.2xlarge
RDSdb.r4.2xlarge
DocumentDBdb.r4.2xlarge
OpenSearchr4.2xlarge.search
ElastiCachecache.r4.2xlarge
Free Tiernono
Burstablenono
Hibernationnoyes
EC2 Compute Units31
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredunsupported
Dedicated Throughputup to 3500 MBps1600 MBps
Optimized Baseline Bandwidth1750 Mbps1700 Mbps
Optimized Baseline Throughput218.75 Mbps212.5 Mbps
Optimized Baseline Performance10000 IOPS12000 IOPS
Optimized Max Performance20000 IOPS12000 IOPS
Optimized Max Bandwidth3500 Mbps1700 Mbps
Optimized Max Throughput437.5 Mbps212.5 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 10 Gigabit
Enhanced Networkingyesyes
Max Interfaces44
Max Cards11
IPv4 Addresses per Interface1515
IPv6 Addresses per Interface1515
IPv6 Supportyesyes
ENA Supportrequiredsupported
EFA Supportnono
Encryption in Transit Supportnono
ENA SRD Supportnono
Avg Price Diff1.00x2.80x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
a1.2xlarge
r4.2xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.2040n/a
HiddenHidden (hidden-1)0.20400.5480
HiddenHidden (hidden-10)n/a0.6400
HiddenHidden (hidden-11)n/a0.6400
HiddenHidden (hidden-12)n/a0.6400
HiddenHidden (hidden-13)n/a0.6402
HiddenHidden (hidden-14)n/a1.1200
HiddenHidden (hidden-2)0.23040.5840
HiddenHidden (hidden-3)0.23280.5928
HiddenHidden (hidden-4)0.23520.5928
HiddenHidden (hidden-5)0.25680.6240
HiddenHidden (hidden-6)0.26640.6240
HiddenHidden (hidden-7)n/a0.6384
HiddenHidden (hidden-8)n/a0.6384
HiddenHidden (hidden-9)n/a0.6400
USUS East (Ohio) (us-east-2)0.20400.5320
USUS East (Virginia) (us-east-1)0.20400.5320
USUS West (Oregon) (us-west-2)n/a0.5320
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