r8a.4xlarge vs i4i.4xlarge

Instance Typer8a.4xlargei4i.4xlarge
Instance FamilyMemory optimizedStorage optimized
DetailsHigh-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
8 – Generation
a – AMD processor
4xlarge – Size
NoSQL databases (like Cassandra, MongoDB, Redis), in-memory databases (such as Aerospike), scalable transactional databases, data warehousing, Elasticsearch, and analytics tasks.

i – IOPS / storage optimized
4 – Generation
i – Intel processor
4xlarge – Size
vCPUs1616
Memory128 GiB128 GiB
CPU Architecturex86_64x86_64
ProcessorAMD EPYC 9R45 ProcessorIntel Xeon 8375C (Ice Lake)
Clock Speed4.5 GHz3.5 GHz
Threads Per Core12
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr8a.12xlarge, r8a.16xlarge, r8a.24xlarge, r8a.2xlarge, r8a.48xlarge, r8a.4xlarge, r8a.8xlarge, r8a.large, r8a.medium, r8a.metal-24xl, r8a.metal-48xl, r8a.xlargei4i.12xlarge, i4i.16xlarge, i4i.24xlarge, i4i.2xlarge, i4i.32xlarge, i4i.4xlarge, i4i.8xlarge, i4i.large, i4i.metal, i4i.xlarge
Generationsr5a.4xlarge, r6a.4xlarge, r7a.4xlarge, r8a.4xlargei4i.4xlarge, i7i.4xlarge
Variantsr8g.4xlarge, r8gb.4xlarge, r8gd.4xlarge, r8gn.4xlarge, r8i-flex.4xlarge, r8i.4xlarge, r8ib.4xlarge, r8id.4xlarge, r8idb.4xlarge, r8idn.4xlarge, r8in.4xlargei4g.4xlarge
RDSdb.r8a.4xlarge
OpenSearchi4i.4xlarge.search
Free Tiernono
Burstablenono
Hibernationyesno
Instance StorageEBS only1 x 3750 NVMe SSD
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 10000 MBpsup to 10000 MBps
Optimized Baseline Bandwidth5000 Mbps5000 Mbps
Optimized Baseline Throughput625 Mbps625 Mbps
Optimized Baseline Performance20000 IOPS20000 IOPS
Optimized Max Performance40000 IOPS40000 IOPS
Optimized Max Bandwidth10000 Mbps10000 Mbps
Optimized Max Throughput1250 Mbps1250 Mbps
Networking
Networking PerformanceUp to 15000 MegabitUp to 25 Gigabit
Enhanced Networkingyesyes
Max Interfaces88
Max Cards11
IPv4 Addresses per Interface4030
IPv6 Addresses per Interface4030
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportyesyes
ENA SRD Supportnono
Avg Price Diff1.00x1.14x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r8a.4xlarge
i4i.4xlarge
HiddenHidden (hidden-1)1.38761.4340
HiddenHidden (hidden-10)n/a1.5140
HiddenHidden (hidden-11)n/a1.5580
HiddenHidden (hidden-12)n/a1.5580
HiddenHidden (hidden-13)n/a1.5890
HiddenHidden (hidden-14)n/a1.5930
HiddenHidden (hidden-15)n/a1.5930
HiddenHidden (hidden-16)n/a1.5930
HiddenHidden (hidden-17)n/a1.6100
HiddenHidden (hidden-18)n/a1.6100
HiddenHidden (hidden-19)n/a1.6100
HiddenHidden (hidden-2)1.39981.4410
HiddenHidden (hidden-20)n/a1.6370
HiddenHidden (hidden-21)n/a1.6460
HiddenHidden (hidden-22)n/a1.6460
HiddenHidden (hidden-23)n/a1.6460
HiddenHidden (hidden-24)n/a1.6460
HiddenHidden (hidden-25)n/a1.6540
HiddenHidden (hidden-26)n/a1.6540
HiddenHidden (hidden-27)n/a1.6630
HiddenHidden (hidden-28)n/a1.6630
HiddenHidden (hidden-29)n/a1.7280
HiddenHidden (hidden-3)1.43021.4490
HiddenHidden (hidden-30)n/a1.8000
HiddenHidden (hidden-31)n/a1.8040
HiddenHidden (hidden-32)n/a1.8130
HiddenHidden (hidden-33)n/a2.1910
HiddenHidden (hidden-4)1.43021.4810
HiddenHidden (hidden-5)1.54181.4810
HiddenHidden (hidden-6)1.54181.5140
HiddenHidden (hidden-7)n/a1.5140
HiddenHidden (hidden-8)n/a1.5140
HiddenHidden (hidden-9)n/a1.5140
USUS East (Ohio) (us-east-2)1.27811.3730
USUS East (Virginia) (us-east-1)1.27811.3730
USUS West (Oregon) (us-west-2)1.27811.3730
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