c6i.large vs r4.large

Instance Typec6i.larger4.large
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
6 – Generation
i – Intel processor
large – Size
Obsolete. 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
large – Size
vCPUs22
Memory4 GiB15.25 GiB
CPU Architecturex86_64x86_64
ProcessorIntel Xeon 8375C (Ice Lake)Intel Xeon E5-2686 v4 (Broadwell)
Clock Speed3.5 GHz2.3 GHz
Threads Per Core22
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesc6i.12xlarge, c6i.16xlarge, c6i.24xlarge, c6i.2xlarge, c6i.32xlarge, c6i.4xlarge, c6i.8xlarge, c6i.large, c6i.metal, c6i.xlarger4.16xlarge, r4.2xlarge, r4.4xlarge, r4.8xlarge, r4.large, r4.xlarge
Generationsc6i.large, c7i.large, c8i.larger3.large, r4.large, r5.large, r6i.large, r7i.large, r8i.large
Variantsc6a.large, c6g.large, c6gd.large, c6gn.large, c6id.large, c6in.large
SageMakerml.c6i.large
RDSdb.r4.large
DocumentDBdb.r4.large
OpenSearchr4.large.search
ElastiCachecache.r4.large
Free Tiernono
Burstablenono
Hibernationyesyes
EC2 Compute Units8
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredunsupported
Dedicated Throughputup to 10000 MBps400 MBps
Optimized Baseline Bandwidth650 Mbps425 Mbps
Optimized Baseline Throughput81.25 Mbps53.125 Mbps
Optimized Baseline Performance3600 IOPS3000 IOPS
Optimized Max Performance40000 IOPS3000 IOPS
Optimized Max Bandwidth10000 Mbps425 Mbps
Optimized Max Throughput1250 Mbps53.125 Mbps
Networking
Networking PerformanceUp to 12500 MegabitUp to 10 Gigabit
Enhanced Networkingyesyes
Max Interfaces33
Max Cards11
IPv4 Addresses per Interface1010
IPv6 Addresses per Interface1010
IPv6 Supportyesyes
ENA Supportrequiredsupported
EFA Supportnono
Encryption in Transit Supportyesno
ENA SRD Supportnono
Avg Price Diff1.00x1.61x

Regional Prices

Geography
Region
c6i.large
r4.large
Asia PacificAsia Pacific (Malaysia) (ap-southeast-5)0.0833n/a
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.0850n/a
Asia PacificAsia Pacific (Thailand) (ap-southeast-7)0.0833n/a
HiddenHidden (hidden-1)0.08500.1370
HiddenHidden (hidden-10)0.09580.1600
HiddenHidden (hidden-11)0.09600.1600
HiddenHidden (hidden-12)0.09630.1600
HiddenHidden (hidden-13)0.09700.1601
HiddenHidden (hidden-14)0.09800.2800
HiddenHidden (hidden-15)0.1010n/a
HiddenHidden (hidden-16)0.1010n/a
HiddenHidden (hidden-17)0.1010n/a
HiddenHidden (hidden-18)0.1020n/a
HiddenHidden (hidden-19)0.1020n/a
HiddenHidden (hidden-2)0.08500.1460
HiddenHidden (hidden-20)0.1056n/a
HiddenHidden (hidden-21)0.1060n/a
HiddenHidden (hidden-22)0.1070n/a
HiddenHidden (hidden-23)0.1070n/a
HiddenHidden (hidden-24)0.1080n/a
HiddenHidden (hidden-25)0.1110n/a
HiddenHidden (hidden-26)0.1140n/a
HiddenHidden (hidden-27)0.1166n/a
HiddenHidden (hidden-28)0.1310n/a
HiddenHidden (hidden-3)0.08500.1482
HiddenHidden (hidden-4)0.08500.1482
HiddenHidden (hidden-5)0.08930.1560
HiddenHidden (hidden-6)0.09100.1560
HiddenHidden (hidden-7)0.09120.1596
HiddenHidden (hidden-8)0.09300.1596
HiddenHidden (hidden-9)0.09300.1600
USUS East (Ohio) (us-east-2)n/a0.1330
USUS East (Virginia) (us-east-1)n/a0.1330
USUS West (Oregon) (us-west-2)n/a0.1330
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