r8i-flex.16xlarge vs r6idn.16xlarge

Instance Typer8i-flex.16xlarger6idn.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
6 – Generation
i – Intel processor
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 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.xlarger6idn.12xlarge, r6idn.16xlarge, r6idn.24xlarge, r6idn.2xlarge, r6idn.32xlarge, r6idn.4xlarge, r6idn.8xlarge, r6idn.large, r6idn.metal, r6idn.xlarge
Generationsr6idn.16xlarge, r8idn.16xlarge
Variantsr8a.16xlarge, r8g.16xlarge, r8gb.16xlarge, r8gd.16xlarge, r8gn.16xlarge, r8i.16xlarge, r8ib.16xlarge, r8id.16xlarge, r8idb.16xlarge, r8idn.16xlarge, r8in.16xlarger6a.16xlarge, r6g.16xlarge, r6gd.16xlarge, r6i.16xlarge, r6id.16xlarge, r6in.16xlarge
RDSdb.r6idn.16xlarge
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS only2 x 1900 NVMe SSD
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 20000 MBps50000 MBps
Optimized Baseline Bandwidth10000 Mbps50000 Mbps
Optimized Baseline Throughput1250 Mbps6250 Mbps
Optimized Baseline Performance40000 IOPS200000 IOPS
Optimized Max Performance80000 IOPS200000 IOPS
Optimized Max Bandwidth20000 Mbps50000 Mbps
Optimized Max Throughput2500 Mbps6250 Mbps
Networking
Networking PerformanceUp to 30000 Megabit100000 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 Diff1.00x1.43x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r8i-flex.16xlarge
r6idn.16xlarge
HiddenHidden (hidden-1)4.33026.6269
HiddenHidden (hidden-10)4.9603n/a
HiddenHidden (hidden-11)4.9603n/a
HiddenHidden (hidden-12)4.9603n/a
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)4.35716.8778
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)4.35716.9638
HiddenHidden (hidden-4)4.49127.3382
HiddenHidden (hidden-5)4.62537.4506
HiddenHidden (hidden-6)4.62537.4880
HiddenHidden (hidden-7)4.69227.5254
HiddenHidden (hidden-8)4.72587.6003
HiddenHidden (hidden-9)4.72587.6378
USUS East (Ohio) (us-east-2)4.22306.2525
USUS East (Virginia) (us-east-1)4.22306.2525
USUS West (Oregon) (us-west-2)4.22306.2525
Activate subscription to see all regions and unlock all features

Related Comparisons

Other instances worth weighing against these.