a1.4xlarge vs r3.4xlarge

Instance Typea1.4xlarger3.4xlarge
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
4xlarge – 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
3 – Generation
4xlarge – Size
vCPUs1616
Memory32 GiB122 GiB
CPU Architecturearm64x86_64
ProcessorAWS Graviton ProcessorIntel Xeon E5-2670 v2 (Ivy Bridge)
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.xlarger3.2xlarge, r3.4xlarge, r3.8xlarge, r3.large, r3.xlarge
Generationsr3.4xlarge, r4.4xlarge, r5.4xlarge, r6i.4xlarge, r7i.4xlarge, r8i.4xlarge
RDSdb.r3.4xlarge
OpenSearchr3.4xlarge.search
Free Tiernono
Burstablenono
Hibernationnoyes
EC2 Compute Units52
Instance StorageEBS only1 x 320 SSD
EBS (Elastic Block Store)
EBS Optimizeddefaultsupported
Encryptionsupportedsupported
NVMerequiredunsupported
Dedicated Throughput3500 MBps
Optimized Baseline Bandwidth3500 Mbps2000 Mbps
Optimized Baseline Throughput437.5 Mbps250 Mbps
Optimized Baseline Performance20000 IOPS16000 IOPS
Optimized Max Performance20000 IOPS16000 IOPS
Optimized Max Bandwidth3500 Mbps2000 Mbps
Optimized Max Throughput437.5 Mbps250 Mbps
Networking
Networking PerformanceUp to 10 GigabitHigh
Enhanced Networkingyesyes
Max Interfaces88
Max Cards11
IPv4 Addresses per Interface3030
IPv6 Addresses per Interface3030
IPv6 Supportyesyes
ENA Supportrequiredunsupported
EFA Supportnono
Encryption in Transit Supportnono
ENA SRD Supportnono
Avg Price Diff1.00x3.54x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
a1.4xlarge
r3.4xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.4080n/a
HiddenHidden (hidden-1)0.40801.4820
HiddenHidden (hidden-10)n/a2.7990
HiddenHidden (hidden-2)0.46081.4820
HiddenHidden (hidden-3)0.46561.5160
HiddenHidden (hidden-4)0.47041.5960
HiddenHidden (hidden-5)0.51361.5960
HiddenHidden (hidden-6)0.53281.5960
HiddenHidden (hidden-7)n/a1.5960
HiddenHidden (hidden-8)n/a1.5960
HiddenHidden (hidden-9)n/a1.6000
USUS East (Ohio) (us-east-2)0.40801.3280
USUS East (Virginia) (us-east-1)0.40801.3300
USUS West (Oregon) (us-west-2)n/a1.3300
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