a1.4xlarge vs r6in.4xlarge

Instance Typea1.4xlarger6in.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
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
6 – Generation
i – Intel processor
n – Network and EBS optimized
4xlarge – Size
vCPUs1616
Memory32 GiB128 GiB
CPU Architecturearm64x86_64
ProcessorAWS Graviton ProcessorIntel Xeon 8375C (Ice Lake)
Clock Speed2.3 GHz3.5 GHz
Threads Per Core12
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesa1.2xlarge, a1.4xlarge, a1.large, a1.medium, a1.metal, a1.xlarger6in.12xlarge, r6in.16xlarge, r6in.24xlarge, r6in.2xlarge, r6in.32xlarge, r6in.4xlarge, r6in.8xlarge, r6in.large, r6in.metal, r6in.xlarge
Generationsr6in.4xlarge, r8in.4xlarge
Variantsr6a.4xlarge, r6g.4xlarge, r6gd.4xlarge, r6i.4xlarge, r6id.4xlarge, r6idn.4xlarge
RDSdb.r6in.4xlarge
Free Tiernono
Burstablenono
Hibernationnoyes
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput3500 MBpsup to 25000 MBps
Optimized Baseline Bandwidth3500 Mbps12500 Mbps
Optimized Baseline Throughput437.5 Mbps1562.5 Mbps
Optimized Baseline Performance20000 IOPS50000 IOPS
Optimized Max Performance20000 IOPS100000 IOPS
Optimized Max Bandwidth3500 Mbps25000 Mbps
Optimized Max Throughput437.5 Mbps3125 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 50000 Megabit
Enhanced Networkingyesyes
Max Interfaces88
Max Cards11
IPv4 Addresses per Interface3030
IPv6 Addresses per Interface3030
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x3.46x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
a1.4xlarge
r6in.4xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.4080n/a
HiddenHidden (hidden-1)0.40801.4882
HiddenHidden (hidden-2)0.46081.5257
HiddenHidden (hidden-3)0.46561.5631
HiddenHidden (hidden-4)0.47041.6380
HiddenHidden (hidden-5)0.51361.6661
HiddenHidden (hidden-6)0.53281.6661
HiddenHidden (hidden-7)n/a1.6754
HiddenHidden (hidden-8)n/a1.6942
HiddenHidden (hidden-9)n/a1.6942
USUS East (Ohio) (us-east-2)0.40801.3946
USUS East (Virginia) (us-east-1)0.40801.3946
USUS West (Oregon) (us-west-2)n/a1.3946
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