r5b.8xlarge vs r5dn.8xlarge

Instance Typer5b.8xlarger5dn.8xlarge
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
5 – Generation
b – EBS optimized
8xlarge – 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
5 – Generation
d – Instance store volume
n – Network and EBS optimized
8xlarge – Size
vCPUs3232
Memory256 GiB256 GiB
CPU Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8259 (Cascade Lake)Intel Xeon Platinum 8259 (Cascade Lake)
Clock Speed3.1 GHz3.1 GHz
Threads Per Core22
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesr5b.12xlarge, r5b.16xlarge, r5b.24xlarge, r5b.2xlarge, r5b.4xlarge, r5b.8xlarge, r5b.large, r5b.metal, r5b.xlarger5dn.12xlarge, r5dn.16xlarge, r5dn.24xlarge, r5dn.2xlarge, r5dn.4xlarge, r5dn.8xlarge, r5dn.large, r5dn.metal, r5dn.xlarge
Generationsr5b.8xlarge, r8ib.8xlarger5dn.8xlarge, r6idn.8xlarge, r8idn.8xlarge
Variantsr5.8xlarge, r5a.8xlarge, r5ad.8xlarge, r5d.8xlarge, r5dn.8xlarge, r5n.8xlarger5.8xlarge, r5a.8xlarge, r5ad.8xlarge, r5b.8xlarge, r5d.8xlarge, r5n.8xlarge
RDSdb.r5b.8xlarge, db.r5b.8xlarge.tpc2.mem3x
Free Tiernono
Burstablenono
Hibernationnono
Instance StorageEBS only2 x 600 NVMe SSD
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput5120 MBps5000 MBps
Optimized Baseline Bandwidth20000 Mbps6800 Mbps
Optimized Baseline Throughput2500 Mbps850 Mbps
Optimized Baseline Performance86667 IOPS30000 IOPS
Optimized Max Performance86667 IOPS30000 IOPS
Optimized Max Bandwidth20000 Mbps6800 Mbps
Optimized Max Throughput2500 Mbps850 Mbps
Networking
Networking Performance10 Gigabit25 Gigabit
Enhanced Networkingyesno
Max Interfaces88
Max Cards11
IPv4 Addresses per Interface3030
IPv6 Addresses per Interface3030
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x1.11x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
r5b.8xlarge
r5dn.8xlarge
HiddenHidden (hidden-1)2.52702.8320
HiddenHidden (hidden-10)2.89603.2480
HiddenHidden (hidden-11)3.79203.2640
HiddenHidden (hidden-12)n/a3.5360
HiddenHidden (hidden-2)2.60802.9760
HiddenHidden (hidden-3)2.67203.1360
HiddenHidden (hidden-4)2.80003.1360
HiddenHidden (hidden-5)2.80003.1840
HiddenHidden (hidden-6)2.84803.1840
HiddenHidden (hidden-7)2.84803.2000
HiddenHidden (hidden-8)2.84803.2160
HiddenHidden (hidden-9)2.89603.2160
USUS East (Ohio) (us-east-2)2.38402.6720
USUS East (Virginia) (us-east-1)2.38402.6720
USUS West (Oregon) (us-west-2)2.38402.6720
Activate subscription to see all regions and unlock all features  

Related Comparisons

Other instances worth weighing against these.