r6a.12xlarge vs r8i-flex.12xlarge

Instance Typer6a.12xlarger8i-flex.12xlarge
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
a – AMD processor
12xlarge – 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
12xlarge – Size
vCPUs4848
Memory384 GiB384 GiB
CPU Architecturex86_64x86_64
ProcessorAMD EPYC 7R13 ProcessorIntel Xeon Scalable (Granite Rapids)
Clock Speed3.6 GHz3.9 GHz
Threads Per Core22
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr6a.12xlarge, r6a.16xlarge, r6a.24xlarge, r6a.2xlarge, r6a.32xlarge, r6a.48xlarge, r6a.4xlarge, r6a.8xlarge, r6a.large, r6a.metal, r6a.xlarger8i-flex.12xlarge, r8i-flex.16xlarge, r8i-flex.2xlarge, r8i-flex.4xlarge, r8i-flex.8xlarge, r8i-flex.large, r8i-flex.xlarge
Generationsr5a.12xlarge, r6a.12xlarge, r7a.12xlarge, r8a.12xlarge
Variantsr6g.12xlarge, r6gd.12xlarge, r6i.12xlarge, r6id.12xlarge, r6idn.12xlarge, r6in.12xlarger8a.12xlarge, r8g.12xlarge, r8gb.12xlarge, r8gd.12xlarge, r8gn.12xlarge, r8i.12xlarge, r8ib.12xlarge, r8id.12xlarge, r8idb.12xlarge, r8idn.12xlarge, r8in.12xlarge
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput10000 MBpsup to 15000 MBps
Optimized Baseline Bandwidth15000 Mbps7500 Mbps
Optimized Baseline Throughput1875 Mbps937.5 Mbps
Optimized Baseline Performance60000 IOPS30000 IOPS
Optimized Max Performance60000 IOPS60000 IOPS
Optimized Max Bandwidth15000 Mbps15000 Mbps
Optimized Max Throughput1875 Mbps1875 Mbps
Networking
Networking Performance18750 MegabitUp to 22500 Megabit
Enhanced Networkingyesyes
Max Interfaces812
Max Cards11
IPv4 Addresses per Interface3050
IPv6 Addresses per Interface3050
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportyesyes
ENA SRD Supportyesno
Avg Price Diff1.00x1.29x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r6a.12xlarge
r8i-flex.12xlarge
Asia PacificAsia Pacific (Hyderabad) (ap-south-2)1.7160n/a
Asia PacificAsia Pacific (Mumbai) (ap-south-1)1.7160n/a
HiddenHidden (hidden-1)2.72163.2477
HiddenHidden (hidden-10)3.28323.7202
HiddenHidden (hidden-11)n/a3.7202
HiddenHidden (hidden-12)n/a3.7202
HiddenHidden (hidden-13)n/a3.7958
HiddenHidden (hidden-14)n/a3.7958
HiddenHidden (hidden-15)n/a3.7958
HiddenHidden (hidden-16)n/a3.8208
HiddenHidden (hidden-17)n/a3.8208
HiddenHidden (hidden-18)n/a3.8208
HiddenHidden (hidden-19)n/a3.8208
HiddenHidden (hidden-2)2.72163.2678
HiddenHidden (hidden-20)n/a3.8988
HiddenHidden (hidden-21)n/a3.9854
HiddenHidden (hidden-22)n/a4.2029
HiddenHidden (hidden-23)n/a4.2230
HiddenHidden (hidden-24)n/a5.0525
HiddenHidden (hidden-3)2.98083.2678
HiddenHidden (hidden-4)3.02403.3684
HiddenHidden (hidden-5)3.04563.4690
HiddenHidden (hidden-6)3.19683.4690
HiddenHidden (hidden-7)3.26163.5191
HiddenHidden (hidden-8)3.28323.5443
HiddenHidden (hidden-9)3.28323.5443
USUS East (Ohio) (us-east-2)n/a3.1673
USUS East (Virginia) (us-east-1)2.72163.1673
USUS West (Oregon) (us-west-2)n/a3.1673
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