r6i.8xlarge vs r8a.8xlarge

Instance Typer6i.8xlarger8a.8xlarge
Instance FamilyMemory optimizedMemory 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
6 – Generation
i – Intel processor
8xlarge – 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
8 – Generation
a – AMD processor
8xlarge – Size
vCPUs3232
Memory256 GiB256 GiB
CPU Architecturex86_64x86_64
ProcessorIntel Xeon 8375C (Ice Lake)AMD EPYC 9R45 Processor
Clock Speed3.5 GHz4.5 GHz
Threads Per Core21
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr6i.12xlarge, r6i.16xlarge, r6i.24xlarge, r6i.2xlarge, r6i.32xlarge, r6i.4xlarge, r6i.8xlarge, r6i.large, r6i.metal, r6i.xlarger8a.12xlarge, r8a.16xlarge, r8a.24xlarge, r8a.2xlarge, r8a.48xlarge, r8a.4xlarge, r8a.8xlarge, r8a.large, r8a.medium, r8a.metal-24xl, r8a.metal-48xl, r8a.xlarge
Generationsr6i.8xlarge, r7i.8xlarge, r8i.8xlarger5a.8xlarge, r6a.8xlarge, r7a.8xlarge, r8a.8xlarge
Variantsr6a.8xlarge, r6g.8xlarge, r6gd.8xlarge, r6id.8xlarge, r6idn.8xlarge, r6in.8xlarger8g.8xlarge, r8gb.8xlarge, r8gd.8xlarge, r8gn.8xlarge, r8i-flex.8xlarge, r8i.8xlarge, r8ib.8xlarge, r8id.8xlarge, r8idb.8xlarge, r8idn.8xlarge, r8in.8xlarge
SageMakerml.r6i.8xlarge
RDSdb.r6i.8xlarge, db.r6i.8xlarge.tpc2.mem3x, db.r6i.8xlarge.tpc2.mem4xdb.r8a.8xlarge
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput10000 MBps10000 MBps
Optimized Baseline Bandwidth10000 Mbps10000 Mbps
Optimized Baseline Throughput1250 Mbps1250 Mbps
Optimized Baseline Performance40000 IOPS40000 IOPS
Optimized Max Performance40000 IOPS40000 IOPS
Optimized Max Bandwidth10000 Mbps10000 Mbps
Optimized Max Throughput1250 Mbps1250 Mbps
Networking
Networking Performance12500 Megabit15000 Megabit
Enhanced Networkingyesyes
Max Interfaces810
Max Cards11
IPv4 Addresses per Interface3040
IPv6 Addresses per Interface3040
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportyesyes
ENA SRD Supportyesno
Avg Price Diff1.00x1.19x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r6i.8xlarge
r8a.8xlarge
HiddenHidden (hidden-1)2.06722.7995
HiddenHidden (hidden-10)2.2400n/a
HiddenHidden (hidden-11)2.2560n/a
HiddenHidden (hidden-12)2.3680n/a
HiddenHidden (hidden-13)2.3680n/a
HiddenHidden (hidden-14)2.3680n/a
HiddenHidden (hidden-15)2.3688n/a
HiddenHidden (hidden-16)2.4160n/a
HiddenHidden (hidden-17)2.4160n/a
HiddenHidden (hidden-18)2.4160n/a
HiddenHidden (hidden-19)2.4320n/a
HiddenHidden (hidden-2)2.06722.8603
HiddenHidden (hidden-20)2.4320n/a
HiddenHidden (hidden-21)2.4320n/a
HiddenHidden (hidden-22)2.4320n/a
HiddenHidden (hidden-23)2.4320n/a
HiddenHidden (hidden-24)2.4816n/a
HiddenHidden (hidden-25)2.4816n/a
HiddenHidden (hidden-26)2.5368n/a
HiddenHidden (hidden-27)2.6720n/a
HiddenHidden (hidden-28)2.6752n/a
HiddenHidden (hidden-29)2.6880n/a
HiddenHidden (hidden-3)2.08002.8603
HiddenHidden (hidden-30)3.2160n/a
HiddenHidden (hidden-4)2.08003.0835
HiddenHidden (hidden-5)2.11683.0835
HiddenHidden (hidden-6)2.1440n/a
HiddenHidden (hidden-7)2.1888n/a
HiddenHidden (hidden-8)2.2080n/a
HiddenHidden (hidden-9)2.2080n/a
USUS East (Ohio) (us-east-2)2.01602.5562
USUS East (Virginia) (us-east-1)2.01602.5562
USUS West (Oregon) (us-west-2)2.01602.5562
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