r6i.16xlarge vs r8i-flex.16xlarge

Instance Typer6i.16xlarger8i-flex.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
6 – Generation
i – Intel 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
i – Intel processor
flex – Flex instance
16xlarge – Size
vCPUs6464
Memory512 GiB512 GiB
CPU Architecturex86_64x86_64
ProcessorIntel Xeon 8375C (Ice Lake)Intel Xeon Scalable (Granite Rapids)
Clock Speed3.5 GHz3.9 GHz
Threads Per Core22
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr6i.12xlarge, r6i.16xlarge, r6i.24xlarge, r6i.2xlarge, r6i.32xlarge, r6i.4xlarge, r6i.8xlarge, r6i.large, r6i.metal, r6i.xlarger8i-flex.12xlarge, r8i-flex.16xlarge, r8i-flex.2xlarge, r8i-flex.4xlarge, r8i-flex.8xlarge, r8i-flex.large, r8i-flex.xlarge
Generationsr6i.16xlarge, r7i.16xlarge, r8i.16xlarge
Variantsr6a.16xlarge, r6g.16xlarge, r6gd.16xlarge, r6id.16xlarge, r6idn.16xlarge, r6in.16xlarger8a.16xlarge, r8g.16xlarge, r8gb.16xlarge, r8gd.16xlarge, r8gn.16xlarge, r8i.16xlarge, r8ib.16xlarge, r8id.16xlarge, r8idb.16xlarge, r8idn.16xlarge, r8in.16xlarge
SageMakerml.r6i.16xlarge
RDSdb.r6i.16xlarge
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput20000 MBpsup to 20000 MBps
Optimized Baseline Bandwidth20000 Mbps10000 Mbps
Optimized Baseline Throughput2500 Mbps1250 Mbps
Optimized Baseline Performance80000 IOPS40000 IOPS
Optimized Max Performance80000 IOPS80000 IOPS
Optimized Max Bandwidth20000 Mbps20000 Mbps
Optimized Max Throughput2500 Mbps2500 Mbps
Networking
Networking Performance25000 MegabitUp to 30000 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 Supportyesno
Avg Price Diff1.00x1.05x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r6i.16xlarge
r8i-flex.16xlarge
HiddenHidden (hidden-1)4.13444.3302
HiddenHidden (hidden-10)4.48004.9603
HiddenHidden (hidden-11)4.51204.9603
HiddenHidden (hidden-12)4.73604.9603
HiddenHidden (hidden-13)4.73605.0611
HiddenHidden (hidden-14)4.73605.0611
HiddenHidden (hidden-15)4.73765.0611
HiddenHidden (hidden-16)4.83205.0944
HiddenHidden (hidden-17)4.83205.0944
HiddenHidden (hidden-18)4.83205.0944
HiddenHidden (hidden-19)4.86405.0944
HiddenHidden (hidden-2)4.13444.3571
HiddenHidden (hidden-20)4.86405.1984
HiddenHidden (hidden-21)4.86405.3139
HiddenHidden (hidden-22)4.86405.6038
HiddenHidden (hidden-23)4.86405.6307
HiddenHidden (hidden-24)4.96326.7366
HiddenHidden (hidden-25)4.9632n/a
HiddenHidden (hidden-26)5.0736n/a
HiddenHidden (hidden-27)5.3440n/a
HiddenHidden (hidden-28)5.3504n/a
HiddenHidden (hidden-29)5.3760n/a
HiddenHidden (hidden-3)4.16004.3571
HiddenHidden (hidden-30)6.4320n/a
HiddenHidden (hidden-4)4.16004.4912
HiddenHidden (hidden-5)4.23364.6253
HiddenHidden (hidden-6)4.28804.6253
HiddenHidden (hidden-7)4.37764.6922
HiddenHidden (hidden-8)4.41604.7258
HiddenHidden (hidden-9)4.41604.7258
USUS East (Ohio) (us-east-2)4.03204.2230
USUS East (Virginia) (us-east-1)4.03204.2230
USUS West (Oregon) (us-west-2)4.03204.2230
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