c5ad.4xlarge vs r8i.4xlarge

Instance Typec5ad.4xlarger8i.4xlarge
Instance FamilyCompute optimizedMemory optimized
DetailsHigh-performance web servers, scientific modeling, batch processing, distributed analytics, HPC, machine/deep learning inference, ad serving, scalable multiplayer gaming, and video encoding.

c – Compute optimized
5 – Generation
a – AMD processor
d – Instance store volume
4xlarge – 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
4xlarge – Size
vCPUs1616
Memory32 GiB128 GiB
CPU Architecturex86_64x86_64
ProcessorAMD EPYC 7R32Intel Xeon Scalable (Granite Rapids)
Clock Speed3.3 GHz3.9 GHz
Threads Per Core22
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesc5ad.12xlarge, c5ad.16xlarge, c5ad.24xlarge, c5ad.2xlarge, c5ad.4xlarge, c5ad.8xlarge, c5ad.large, c5ad.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
Generationsr6i.4xlarge, r7i.4xlarge, r8i.4xlarge
Variantsc5.4xlarge, c5a.4xlarge, c5d.4xlarge, c5n.4xlarger8a.4xlarge, r8g.4xlarge, r8gb.4xlarge, r8gd.4xlarge, r8gn.4xlarge, r8i-flex.4xlarge, r8ib.4xlarge, r8id.4xlarge, r8idb.4xlarge, r8idn.4xlarge, r8in.4xlarge
RDSdb.r8i.4xlarge
Free Tiernono
Burstablenono
Hibernationnoyes
Instance Storage2 x 300 NVMe SSDEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 3170 MBpsup to 10000 MBps
Optimized Baseline Bandwidth1580 Mbps5000 Mbps
Optimized Baseline Throughput197.5 Mbps625 Mbps
Optimized Baseline Performance6600 IOPS20000 IOPS
Optimized Max Performance13300 IOPS40000 IOPS
Optimized Max Bandwidth3170 Mbps10000 Mbps
Optimized Max Throughput396.25 Mbps1250 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 15000 Megabit
Enhanced Networkingyesyes
Max Interfaces88
Max Cards11
IPv4 Addresses per Interface3050
IPv6 Addresses per Interface3050
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportyesyes
ENA SRD Supportnono
Avg Price Diff1.00x1.57x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
c5ad.4xlarge
r8i.4xlarge
HiddenHidden (hidden-1)0.78401.1395
HiddenHidden (hidden-10)n/a1.3054
HiddenHidden (hidden-11)n/a1.3054
HiddenHidden (hidden-12)n/a1.3054
HiddenHidden (hidden-13)n/a1.3058
HiddenHidden (hidden-14)n/a1.3318
HiddenHidden (hidden-15)n/a1.3318
HiddenHidden (hidden-16)n/a1.3318
HiddenHidden (hidden-17)n/a1.3406
HiddenHidden (hidden-18)n/a1.3406
HiddenHidden (hidden-19)n/a1.3406
HiddenHidden (hidden-2)0.80001.1466
HiddenHidden (hidden-20)n/a1.3406
HiddenHidden (hidden-21)n/a1.3680
HiddenHidden (hidden-22)n/a1.3984
HiddenHidden (hidden-23)n/a1.4747
HiddenHidden (hidden-24)n/a1.4818
HiddenHidden (hidden-25)n/a1.7728
HiddenHidden (hidden-3)0.80801.1466
HiddenHidden (hidden-4)0.82401.1819
HiddenHidden (hidden-5)0.86401.2172
HiddenHidden (hidden-6)0.90401.2172
HiddenHidden (hidden-7)0.93601.2348
HiddenHidden (hidden-8)1.07201.2436
HiddenHidden (hidden-9)n/a1.2436
USUS East (Ohio) (us-east-2)0.68801.1114
USUS East (Virginia) (us-east-1)0.68801.1114
USUS West (Oregon) (us-west-2)0.68801.1114
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