r8i-flex.16xlarge vs i4i.16xlarge

Instance Typer8i-flex.16xlargei4i.16xlarge
Instance FamilyMemory optimizedStorage 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
NoSQL databases (like Cassandra, MongoDB, Redis), in-memory databases (such as Aerospike), scalable transactional databases, data warehousing, Elasticsearch, and analytics tasks.

i – IOPS / storage optimized
4 – Generation
i – Intel processor
16xlarge – Size
vCPUs6464
Memory512 GiB512 GiB
CPU Architecturex86_64x86_64
ProcessorIntel Xeon Scalable (Granite Rapids)Intel Xeon 8375C (Ice Lake)
Clock Speed3.9 GHz3.5 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.xlargei4i.12xlarge, i4i.16xlarge, i4i.24xlarge, i4i.2xlarge, i4i.32xlarge, i4i.4xlarge, i4i.8xlarge, i4i.large, i4i.metal, i4i.xlarge
Generationsi4i.16xlarge, i7i.16xlarge
Variantsr8a.16xlarge, r8g.16xlarge, r8gb.16xlarge, r8gd.16xlarge, r8gn.16xlarge, r8i.16xlarge, r8ib.16xlarge, r8id.16xlarge, r8idb.16xlarge, r8idn.16xlarge, r8in.16xlargei4g.16xlarge
OpenSearchi4i.16xlarge.search
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS only4 x 3750 NVMe SSD
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 20000 MBps20000 MBps
Optimized Baseline Bandwidth10000 Mbps20000 Mbps
Optimized Baseline Throughput1250 Mbps2500 Mbps
Optimized Baseline Performance40000 IOPS80000 IOPS
Optimized Max Performance80000 IOPS80000 IOPS
Optimized Max Bandwidth20000 Mbps20000 Mbps
Optimized Max Throughput2500 Mbps2500 Mbps
Networking
Networking PerformanceUp to 30000 Megabit35000 Megabit
Enhanced Networkingyesyes
Max Interfaces1615
Max Cards11
IPv4 Addresses per Interface6450
IPv6 Addresses per Interface6450
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportyesyes
ENA SRD Supportnoyes
Avg Price Diff1.00x1.30x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r8i-flex.16xlarge
i4i.16xlarge
HiddenHidden (hidden-1)4.33025.7380
HiddenHidden (hidden-10)4.96036.0540
HiddenHidden (hidden-11)4.96036.2300
HiddenHidden (hidden-12)4.96036.2300
HiddenHidden (hidden-13)5.06116.3570
HiddenHidden (hidden-14)5.06116.3710
HiddenHidden (hidden-15)5.06116.3710
HiddenHidden (hidden-16)5.09446.3710
HiddenHidden (hidden-17)5.09446.4420
HiddenHidden (hidden-18)5.09446.4420
HiddenHidden (hidden-19)5.09446.4420
HiddenHidden (hidden-2)4.35715.7660
HiddenHidden (hidden-20)5.19846.5470
HiddenHidden (hidden-21)5.31396.5820
HiddenHidden (hidden-22)5.60386.5820
HiddenHidden (hidden-23)5.63076.5820
HiddenHidden (hidden-24)6.73666.5820
HiddenHidden (hidden-25)n/a6.6180
HiddenHidden (hidden-26)n/a6.6180
HiddenHidden (hidden-27)n/a6.6530
HiddenHidden (hidden-28)n/a6.6530
HiddenHidden (hidden-29)n/a6.9120
HiddenHidden (hidden-3)4.35715.7970
HiddenHidden (hidden-30)n/a7.2020
HiddenHidden (hidden-31)n/a7.2160
HiddenHidden (hidden-32)n/a7.2510
HiddenHidden (hidden-33)n/a8.7650
HiddenHidden (hidden-4)4.49125.9240
HiddenHidden (hidden-5)4.62535.9240
HiddenHidden (hidden-6)4.62536.0540
HiddenHidden (hidden-7)4.69226.0540
HiddenHidden (hidden-8)4.72586.0540
HiddenHidden (hidden-9)4.72586.0540
USUS East (Ohio) (us-east-2)4.22305.4910
USUS East (Virginia) (us-east-1)4.22305.4910
USUS West (Oregon) (us-west-2)4.22305.4910
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