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r5ad.8xlarge vs r5b.8xlarge

Instance Typer5ad.8xlarger5b.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
5 – Generation
a – AMD processor
d – Instance store volume
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
5 – Generation
b – EBS optimized
8xlarge – Size
vCPUs3232
Memory256 GiB256 GiB
CPU Architecturex86_64x86_64
ProcessorAMD EPYC 7571Intel Xeon Platinum 8259 (Cascade Lake)
Clock Speed2.5 GHz3.1 GHz
Threads Per Core22
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr5ad.12xlarge, r5ad.16xlarge, r5ad.24xlarge, r5ad.2xlarge, r5ad.4xlarge, r5ad.8xlarge, r5ad.large, r5ad.xlarger5b.12xlarge, r5b.16xlarge, r5b.24xlarge, r5b.2xlarge, r5b.4xlarge, r5b.8xlarge, r5b.large, r5b.metal, r5b.xlarge
Variantsr5.8xlarge, r5a.8xlarge, r5b.8xlarge, r5d.8xlarge, r5dn.8xlarge, r5n.8xlarger5.8xlarge, r5a.8xlarge, r5ad.8xlarge, r5d.8xlarge, r5dn.8xlarge, r5n.8xlarge
RDSdb.r5b.8xlarge, db.r5b.8xlarge.tpc2.mem3x
Free Tiernono
Burstablenono
Hibernationnono
Instance Storage2 x 600 NVMe SSDEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput3500 MBps5120 MBps
Optimized Baseline Bandwidth4750 Mbps20000 Mbps
Optimized Baseline Throughput593.75 Mbps2500 Mbps
Optimized Baseline Performance20000 IOPS86667 IOPS
Optimized Max Performance20000 IOPS86667 IOPS
Optimized Max Bandwidth4750 Mbps20000 Mbps
Optimized Max Throughput593.75 Mbps2500 Mbps
Networking
Networking PerformanceUp to 10 Gigabit10 Gigabit
Enhanced Networkingyesyes
Max Interfaces88
Max Cards11
IPv4 Addresses per Interface3030
IPv6 Addresses per Interface3030
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnono
ENA SRD Supportnono
Avg Price Diff1.00x1.16x

Regional Prices

Geography
Region
r5ad.8xlarge
r5b.8xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)1.3290n/a
HiddenHidden (hidden-1)2.09602.5270
HiddenHidden (hidden-10)2.54402.8960
HiddenHidden (hidden-11)2.54403.7920
HiddenHidden (hidden-12)2.5440n/a
HiddenHidden (hidden-13)3.3280n/a
HiddenHidden (hidden-2)2.30402.6080
HiddenHidden (hidden-3)2.33602.6720
HiddenHidden (hidden-4)2.36802.8000
HiddenHidden (hidden-5)2.44802.8000
HiddenHidden (hidden-6)2.46402.8480
HiddenHidden (hidden-7)2.52802.8480
HiddenHidden (hidden-8)2.52802.8480
HiddenHidden (hidden-9)2.52802.8960
USUS East (Ohio) (us-east-2)2.09602.3840
USUS East (Virginia) (us-east-1)2.09602.3840
USUS West (Oregon) (us-west-2)n/a2.3840
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