r8i-flex.16xlarge vs r5dn.16xlarge

Instance Typer8i-flex.16xlarger5dn.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
i – Intel processor
flex – Flex instance
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
5 – Generation
d – Instance store volume
n – Network and EBS optimized
16xlarge – Size
vCPUs6464
Memory512 GiB512 GiB
CPU Architecturex86_64x86_64
ProcessorIntel Xeon Scalable (Granite Rapids)Intel Xeon Platinum 8259 (Cascade Lake)
Clock Speed3.9 GHz3.1 GHz
Threads Per Core22
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr8i-flex.12xlarge, r8i-flex.16xlarge, r8i-flex.2xlarge, r8i-flex.4xlarge, r8i-flex.8xlarge, r8i-flex.large, r8i-flex.xlarger5dn.12xlarge, r5dn.16xlarge, r5dn.24xlarge, r5dn.2xlarge, r5dn.4xlarge, r5dn.8xlarge, r5dn.large, r5dn.metal, r5dn.xlarge
Generationsr5dn.16xlarge, r6idn.16xlarge, r8idn.16xlarge
Variantsr8a.16xlarge, r8g.16xlarge, r8gb.16xlarge, r8gd.16xlarge, r8gn.16xlarge, r8i.16xlarge, r8ib.16xlarge, r8id.16xlarge, r8idb.16xlarge, r8idn.16xlarge, r8in.16xlarger5.16xlarge, r5a.16xlarge, r5ad.16xlarge, r5b.16xlarge, r5d.16xlarge, r5n.16xlarge
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS only4 x 600 NVMe SSD
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 20000 MBps10000 MBps
Optimized Baseline Bandwidth10000 Mbps13600 Mbps
Optimized Baseline Throughput1250 Mbps1700 Mbps
Optimized Baseline Performance40000 IOPS60000 IOPS
Optimized Max Performance80000 IOPS60000 IOPS
Optimized Max Bandwidth20000 Mbps13600 Mbps
Optimized Max Throughput2500 Mbps1700 Mbps
Networking
Networking PerformanceUp to 30000 Megabit75 Gigabit
Enhanced Networkingyesno
Max Interfaces1615
Max Cards11
IPv4 Addresses per Interface6450
IPv6 Addresses per Interface6450
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportyesyes
ENA SRD Supportnono
Avg Price Diff1.00x1.25x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r8i-flex.16xlarge
r5dn.16xlarge
HiddenHidden (hidden-1)4.33025.6640
HiddenHidden (hidden-10)4.96036.4960
HiddenHidden (hidden-11)4.96036.5280
HiddenHidden (hidden-12)4.96037.0720
HiddenHidden (hidden-13)5.0611n/a
HiddenHidden (hidden-14)5.0611n/a
HiddenHidden (hidden-15)5.0611n/a
HiddenHidden (hidden-16)5.0944n/a
HiddenHidden (hidden-17)5.0944n/a
HiddenHidden (hidden-18)5.0944n/a
HiddenHidden (hidden-19)5.0944n/a
HiddenHidden (hidden-2)4.35715.9520
HiddenHidden (hidden-20)5.1984n/a
HiddenHidden (hidden-21)5.3139n/a
HiddenHidden (hidden-22)5.6038n/a
HiddenHidden (hidden-23)5.6307n/a
HiddenHidden (hidden-24)6.7366n/a
HiddenHidden (hidden-3)4.35716.2720
HiddenHidden (hidden-4)4.49126.2720
HiddenHidden (hidden-5)4.62536.3680
HiddenHidden (hidden-6)4.62536.3680
HiddenHidden (hidden-7)4.69226.4000
HiddenHidden (hidden-8)4.72586.4320
HiddenHidden (hidden-9)4.72586.4320
USUS East (Ohio) (us-east-2)4.22305.3440
USUS East (Virginia) (us-east-1)4.22305.3440
USUS West (Oregon) (us-west-2)4.22305.3440
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