a1.large vs c3.large

Instance Typea1.largec3.large
Instance FamilyGeneral purposeCompute optimized
DetailsObsolete. Not recommended for use
Web servers, containerized microservices, caching fleets, distributed data stores, and dev environments.

a – ARM AWS Graviton Processor
1 – Generation
large – Size
Obsolete. Not recommended for use
High-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
3 – Generation
large – Size
vCPUs22
Memory4 GiB3.75 GiB
CPU Architecturearm64x86_64
ProcessorAWS Graviton ProcessorIntel Xeon E5-2680 v2 (Ivy Bridge)
Clock Speed2.3 GHz2.8 GHz
Threads Per Core12
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesa1.2xlarge, a1.4xlarge, a1.large, a1.medium, a1.metal, a1.xlargec3.2xlarge, c3.4xlarge, c3.8xlarge, c3.large, c3.xlarge
Generationsc3.large, c4.large, c5.large, c6i.large, c7i.large, c8i.large
Free Tiernono
Burstablenono
Hibernationnoyes
EC2 Compute Units7
Instance StorageEBS only2 x 16 SSD
EBS (Elastic Block Store)
EBS Optimizeddefaultunsupported
Encryptionsupportedsupported
NVMerequiredunsupported
Dedicated Throughputup to 3500 MBps
Optimized Baseline Bandwidth525 Mbps
Optimized Baseline Throughput65.625 Mbps
Optimized Baseline Performance4000 IOPS
Optimized Max Performance20000 IOPS
Optimized Max Bandwidth3500 Mbps
Optimized Max Throughput437.5 Mbps
Networking
Networking PerformanceUp to 10 GigabitModerate
Enhanced Networkingyesyes
Max Interfaces33
Max Cards11
IPv4 Addresses per Interface1010
IPv6 Addresses per Interface1010
IPv6 Supportyesyes
ENA Supportrequiredunsupported
EFA Supportnono
Encryption in Transit Supportnono
ENA SRD Supportnono
Avg Price Diff1.00x2.21x

Regional Prices

US Dollar ($)
Per Hour
Linux
Shared Tenancy
On Demand
Geography
Region
a1.large
c3.large
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.0510n/a
Asia PacificAsia Pacific (Seoul) (ap-northeast-2)n/a0.1150
HiddenHidden (hidden-1)0.05100.1200
HiddenHidden (hidden-2)0.05760.1200
HiddenHidden (hidden-3)0.05820.1260
HiddenHidden (hidden-4)0.05880.1280
HiddenHidden (hidden-5)0.06420.1290
HiddenHidden (hidden-6)0.06660.1320
HiddenHidden (hidden-7)n/a0.1320
HiddenHidden (hidden-8)n/a0.1630
USUS East (Ohio) (us-east-2)0.0510n/a
USUS East (Virginia) (us-east-1)0.05100.1050
USUS West (Oregon) (us-west-2)n/a0.1050
Activate subscription to see all regions and unlock all features  

Related Comparisons

Other instances worth weighing against these.