r5b.xlarge vs x8i.xlarge

Instance Typer5b.xlargex8i.xlarge
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
b – EBS optimized
xlarge – Size
In-memory databases (like SAP HANA), big data engines (such as Apache Spark, Presto), high-performance computing (HPC), and memory-heavy enterprise apps.

x – Extreme RAM / memory intensive
8 – Generation
i – Intel processor
xlarge – Size
vCPUs44
Memory32 GiB64 GiB
CPU Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8259 (Cascade Lake)Intel Xeon Scalable (Granite Rapids)
Clock Speed3.1 GHz3.9 GHz
Threads Per Core22
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr5b.12xlarge, r5b.16xlarge, r5b.24xlarge, r5b.2xlarge, r5b.4xlarge, r5b.8xlarge, r5b.large, r5b.metal, r5b.xlargex8i.12xlarge, x8i.16xlarge, x8i.24xlarge, x8i.2xlarge, x8i.32xlarge, x8i.48xlarge, x8i.4xlarge, x8i.64xlarge, x8i.8xlarge, x8i.96xlarge, x8i.large, x8i.metal-48xl, x8i.metal-96xl, x8i.xlarge
Generationsr5b.xlarge, r8ib.xlarge
Variantsr5.xlarge, r5a.xlarge, r5ad.xlarge, r5d.xlarge, r5dn.xlarge, r5n.xlargex8aedz.xlarge, x8g.xlarge
RDSdb.r5b.xlarge, db.r5b.xlarge.tpc2.mem2x, db.r5b.xlarge.tpc2.mem4x
Free Tiernono
Burstablenono
Hibernationnoyes
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 10240 MBpsup to 10000 MBps
Optimized Baseline Bandwidth2500 Mbps1250 Mbps
Optimized Baseline Throughput312.5 Mbps156.25 Mbps
Optimized Baseline Performance10833 IOPS6000 IOPS
Optimized Max Performance43333 IOPS40000 IOPS
Optimized Max Bandwidth10000 Mbps10000 Mbps
Optimized Max Throughput1250 Mbps1250 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 12500 Megabit
Enhanced Networkingyesyes
Max Interfaces44
Max Cards11
IPv4 Addresses per Interface1530
IPv6 Addresses per Interface1530
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x1.62x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r5b.xlarge
x8i.xlarge
HiddenHidden (hidden-1)0.31590.4516
HiddenHidden (hidden-10)0.36200.6346
HiddenHidden (hidden-11)0.47400.6346
HiddenHidden (hidden-12)n/a0.6346
HiddenHidden (hidden-13)n/a0.6346
HiddenHidden (hidden-14)n/a0.8535
HiddenHidden (hidden-2)0.32600.4991
HiddenHidden (hidden-3)0.33400.5252
HiddenHidden (hidden-4)0.35000.5252
HiddenHidden (hidden-5)0.35000.5252
HiddenHidden (hidden-6)0.35600.5513
HiddenHidden (hidden-7)0.35600.5514
HiddenHidden (hidden-8)0.35600.5712
HiddenHidden (hidden-9)0.36200.6127
USUS East (Ohio) (us-east-2)0.29800.4377
USUS East (Virginia) (us-east-1)0.29800.4377
USUS West (Oregon) (us-west-2)0.29800.4377
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