r4.16xlarge vs r8i.16xlarge

Instance Typer4.16xlarger8i.16xlarge
Instance FamilyMemory optimizedMemory optimized
DetailsObsolete. Not recommended for use
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
4 – Generation
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
16xlarge – Size
vCPUs6464
Memory488 GiB512 GiB
CPU Architecturex86_64x86_64
ProcessorIntel Xeon E5-2686 v4 (Broadwell)Intel Xeon Scalable (Granite Rapids)
Clock Speed2.3 GHz3.9 GHz
Threads Per Core22
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr4.16xlarge, r4.2xlarge, r4.4xlarge, r4.8xlarge, r4.large, r4.xlarger8i.12xlarge, r8i.16xlarge, r8i.24xlarge, r8i.2xlarge, r8i.32xlarge, r8i.48xlarge, r8i.4xlarge, r8i.8xlarge, r8i.96xlarge, r8i.large, r8i.metal-48xl, r8i.metal-96xl, r8i.xlarge
Generationsr4.16xlarge, r5.16xlarge, r6i.16xlarge, r7i.16xlarge, r8i.16xlarger6i.16xlarge, r7i.16xlarge, r8i.16xlarge
Variantsr8a.16xlarge, r8g.16xlarge, r8gb.16xlarge, r8gd.16xlarge, r8gn.16xlarge, r8i-flex.16xlarge, r8ib.16xlarge, r8id.16xlarge, r8idb.16xlarge, r8idn.16xlarge, r8in.16xlarge
RDSdb.r4.16xlargedb.r8i.16xlarge
DocumentDBdb.r4.16xlarge
OpenSearchr4.16xlarge.search
ElastiCachecache.r4.16xlarge
Free Tiernono
Burstablenono
Hibernationnono
EC2 Compute Units201
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMeunsupportedrequired
Dedicated Throughput12000 MBps20000 MBps
Optimized Baseline Bandwidth14000 Mbps20000 Mbps
Optimized Baseline Throughput1750 Mbps2500 Mbps
Optimized Baseline Performance75000 IOPS80000 IOPS
Optimized Max Performance75000 IOPS80000 IOPS
Optimized Max Bandwidth14000 Mbps20000 Mbps
Optimized Max Throughput1750 Mbps2500 Mbps
Networking
Networking Performance20 Gigabit30000 Megabit
Enhanced Networkingyesyes
Max Interfaces1516
Max Cards11
IPv4 Addresses per Interface5064
IPv6 Addresses per Interface5064
IPv6 Supportyesyes
ENA Supportsupportedrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnoyes
Avg Price Diff1.00x1.02x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r4.16xlarge
r8i.16xlarge
HiddenHidden (hidden-1)4.38404.5581
HiddenHidden (hidden-10)5.12005.2214
HiddenHidden (hidden-11)5.12005.2214
HiddenHidden (hidden-12)5.12005.2214
HiddenHidden (hidden-13)5.12165.3274
HiddenHidden (hidden-14)8.96005.3274
HiddenHidden (hidden-15)n/a5.3274
HiddenHidden (hidden-16)n/a5.3626
HiddenHidden (hidden-17)n/a5.3626
HiddenHidden (hidden-18)n/a5.3626
HiddenHidden (hidden-19)n/a5.3626
HiddenHidden (hidden-2)4.67204.5866
HiddenHidden (hidden-20)n/a5.4720
HiddenHidden (hidden-21)n/a5.5936
HiddenHidden (hidden-22)n/a5.8989
HiddenHidden (hidden-23)n/a5.9270
HiddenHidden (hidden-24)n/a7.0912
HiddenHidden (hidden-3)4.74244.5866
HiddenHidden (hidden-4)4.74244.7277
HiddenHidden (hidden-5)4.99204.8688
HiddenHidden (hidden-6)4.99204.8688
HiddenHidden (hidden-7)5.10724.9392
HiddenHidden (hidden-8)5.10724.9744
HiddenHidden (hidden-9)5.12004.9744
USUS East (Ohio) (us-east-2)4.25604.4454
USUS East (Virginia) (us-east-1)4.25604.4454
USUS West (Oregon) (us-west-2)4.25604.4454
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