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r8g.16xlarge vs r8a.16xlarge

Instance Typer8g.16xlarger8a.16xlarge
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
8 – Generation
g – AWS Graviton processor
16xlarge – 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
16xlarge – Size
vCPUs6464
Memory512 GiB512 GiB
CPU Architecturearm64x86_64
ProcessorAWS Graviton4 ProcessorAMD EPYC 9R45 Processor
Clock Speed2.8 GHz4.5 GHz
Threads Per Core11
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr8g.12xlarge, r8g.16xlarge, r8g.24xlarge, r8g.2xlarge, r8g.48xlarge, r8g.4xlarge, r8g.8xlarge, r8g.large, r8g.medium, r8g.metal-24xl, r8g.metal-48xl, r8g.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
Generationsr6g.16xlarge, r7g.16xlarge, r8g.16xlarger5a.16xlarge, r6a.16xlarge, r7a.16xlarge, r8a.16xlarge
Variantsr8a.16xlarge, r8gb.16xlarge, r8gd.16xlarge, r8gn.16xlarge, r8i-flex.16xlarge, r8i.16xlarge, r8id.16xlarger8g.16xlarge, r8gb.16xlarge, r8gd.16xlarge, r8gn.16xlarge, r8i-flex.16xlarge, r8i.16xlarge, r8id.16xlarge
SageMakerml.r8g.16xlarge
RDSdb.r8g.16xlarge
DocumentDBdb.r8g.16xlarge
OpenSearchr8g.16xlarge.search
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput20000 MBps20000 MBps
Optimized Baseline Bandwidth20000 Mbps20000 Mbps
Optimized Baseline Throughput2500 Mbps2500 Mbps
Optimized Baseline Performance80000 IOPS80000 IOPS
Optimized Max Performance80000 IOPS80000 IOPS
Optimized Max Bandwidth20000 Mbps20000 Mbps
Optimized Max Throughput2500 Mbps2500 Mbps
Networking
Networking Performance30 Gigabit30000 Megabit
Enhanced Networkingyesyes
Max Interfaces1516
Max Cards11
IPv4 Addresses per Interface5064
IPv6 Addresses per Interface5064
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportyesyes
ENA SRD Supportyesyes
Avg Price Diff1.00x1.28x

Regional Prices

Geography
Region
r8g.16xlarge
r8a.16xlarge
Asia PacificAsia Pacific (Hyderabad) (ap-south-2)2.6426n/a
Asia PacificAsia Pacific (Mumbai) (ap-south-1)2.6426n/a
HiddenHidden (hidden-1)3.77025.7206
HiddenHidden (hidden-10)4.4282n/a
HiddenHidden (hidden-11)4.4282n/a
HiddenHidden (hidden-12)4.5179n/a
HiddenHidden (hidden-13)4.5184n/a
HiddenHidden (hidden-14)4.5184n/a
HiddenHidden (hidden-15)4.5184n/a
HiddenHidden (hidden-16)4.5478n/a
HiddenHidden (hidden-17)4.5478n/a
HiddenHidden (hidden-18)4.5478n/a
HiddenHidden (hidden-19)4.5478n/a
HiddenHidden (hidden-2)3.77025.7206
HiddenHidden (hidden-20)4.5478n/a
HiddenHidden (hidden-21)4.5478n/a
HiddenHidden (hidden-22)4.6406n/a
HiddenHidden (hidden-23)4.9984n/a
HiddenHidden (hidden-24)5.0029n/a
HiddenHidden (hidden-25)5.9994n/a
HiddenHidden (hidden-3)3.86566.1670
HiddenHidden (hidden-4)3.9584n/a
HiddenHidden (hidden-5)4.0093n/a
HiddenHidden (hidden-6)4.1293n/a
HiddenHidden (hidden-7)4.1888n/a
HiddenHidden (hidden-8)4.2170n/a
HiddenHidden (hidden-9)4.2189n/a
USUS East (Ohio) (us-east-2)n/a5.1123
USUS East (Virginia) (us-east-1)3.77025.1123
USUS West (Oregon) (us-west-2)n/a5.1123
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