a1.large vs r5a.large

Instance Typea1.larger5a.large
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
large – Size
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
5 – Generation
a – AMD processor
large – Size
vCPUs22
Memory4 GiB16 GiB
CPU Architecturearm64x86_64
ProcessorAWS Graviton ProcessorAMD EPYC 7571
Clock Speed2.3 GHz2.5 GHz
Threads Per Core12
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesa1.2xlarge, a1.4xlarge, a1.large, a1.medium, a1.metal, a1.xlarger5a.12xlarge, r5a.16xlarge, r5a.24xlarge, r5a.2xlarge, r5a.4xlarge, r5a.8xlarge, r5a.large, r5a.xlarge
Generationsr5a.large, r6a.large, r7a.large, r8a.large
Variantsr5.large, r5ad.large, r5b.large, r5d.large, r5dn.large, r5n.large
Free Tiernono
Burstablenono
Hibernationnoyes
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 3500 MBpsup to 2120 MBps
Optimized Baseline Bandwidth525 Mbps650 Mbps
Optimized Baseline Throughput65.625 Mbps81.25 Mbps
Optimized Baseline Performance4000 IOPS3600 IOPS
Optimized Max Performance20000 IOPS16000 IOPS
Optimized Max Bandwidth3500 Mbps2880 Mbps
Optimized Max Throughput437.5 Mbps360 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 10 Gigabit
Enhanced Networkingyesyes
Max Interfaces33
Max Cards11
IPv4 Addresses per Interface1010
IPv6 Addresses per Interface1010
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnono
ENA SRD Supportnono
Avg Price Diff1.00x2.28x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
a1.large
r5a.large
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.05100.0720
HiddenHidden (hidden-1)0.05100.1130
HiddenHidden (hidden-10)n/a0.1360
HiddenHidden (hidden-11)n/a0.1360
HiddenHidden (hidden-12)n/a0.1360
HiddenHidden (hidden-13)n/a0.1370
HiddenHidden (hidden-14)n/a0.1370
HiddenHidden (hidden-15)n/a0.1810
HiddenHidden (hidden-2)0.05760.1240
HiddenHidden (hidden-3)0.05820.1260
HiddenHidden (hidden-4)0.05880.1270
HiddenHidden (hidden-5)0.06420.1330
HiddenHidden (hidden-6)0.06660.1330
HiddenHidden (hidden-7)n/a0.1330
HiddenHidden (hidden-8)n/a0.1360
HiddenHidden (hidden-9)n/a0.1360
USUS East (Ohio) (us-east-2)0.05100.1130
USUS East (Virginia) (us-east-1)0.05100.1130
Activate subscription to see all regions and unlock all features  

Related Comparisons

Other instances worth weighing against these.