r5a.16xlarge vs r8a.16xlarge

Instance Typer5a.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
5 – Generation
a – AMD 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 Architecturex86_64x86_64
ProcessorAMD EPYC 7571AMD EPYC 9R45 Processor
Clock Speed2.5 GHz4.5 GHz
Threads Per Core21
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr5a.12xlarge, r5a.16xlarge, r5a.24xlarge, r5a.2xlarge, r5a.4xlarge, r5a.8xlarge, r5a.large, r5a.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
Generationsr5a.16xlarge, r6a.16xlarge, r7a.16xlarge, r8a.16xlarger5a.16xlarge, r6a.16xlarge, r7a.16xlarge, r8a.16xlarge
Variantsr5.16xlarge, r5ad.16xlarge, r5b.16xlarge, r5d.16xlarge, r5dn.16xlarge, r5n.16xlarger8g.16xlarge, r8gb.16xlarge, r8gd.16xlarge, r8gn.16xlarge, r8i-flex.16xlarge, r8i.16xlarge, r8ib.16xlarge, r8id.16xlarge, r8idb.16xlarge, r8idn.16xlarge, r8in.16xlarge
RDSdb.r8a.16xlarge
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput7000 MBps20000 MBps
Optimized Baseline Bandwidth9500 Mbps20000 Mbps
Optimized Baseline Throughput1187.5 Mbps2500 Mbps
Optimized Baseline Performance40000 IOPS80000 IOPS
Optimized Max Performance40000 IOPS80000 IOPS
Optimized Max Bandwidth9500 Mbps20000 Mbps
Optimized Max Throughput1187.5 Mbps2500 Mbps
Networking
Networking Performance12 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 Supportnoyes
ENA SRD Supportnoyes
Avg Price Diff1.00x1.35x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r5a.16xlarge
r8a.16xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)2.2880n/a
HiddenHidden (hidden-1)3.61605.5990
HiddenHidden (hidden-10)4.3520n/a
HiddenHidden (hidden-11)4.3520n/a
HiddenHidden (hidden-12)4.3520n/a
HiddenHidden (hidden-13)4.3840n/a
HiddenHidden (hidden-14)4.3840n/a
HiddenHidden (hidden-15)5.7920n/a
HiddenHidden (hidden-2)3.96805.7206
HiddenHidden (hidden-3)4.03205.7206
HiddenHidden (hidden-4)4.06406.1670
HiddenHidden (hidden-5)4.25606.1670
HiddenHidden (hidden-6)4.2560n/a
HiddenHidden (hidden-7)4.2560n/a
HiddenHidden (hidden-8)4.3520n/a
HiddenHidden (hidden-9)4.3520n/a
USUS East (Ohio) (us-east-2)3.61605.1123
USUS East (Virginia) (us-east-1)3.61605.1123
USUS West (Oregon) (us-west-2)n/a5.1123
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