a1.xlarge vs r8gb.xlarge

Instance Typea1.xlarger8gb.xlarge
Instance FamilyGeneral purposeMemory 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
xlarge – 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
g – AWS Graviton processor
b – EBS optimized
xlarge – Size
vCPUs44
Memory8 GiB32 GiB
CPU Architecturearm64arm64
ProcessorAWS Graviton ProcessorAWS Graviton4 Processor
Clock Speed2.3 GHz2.8 GHz
Threads Per Core11
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesa1.2xlarge, a1.4xlarge, a1.large, a1.medium, a1.metal, a1.xlarger8gb.12xlarge, r8gb.16xlarge, r8gb.24xlarge, r8gb.2xlarge, r8gb.48xlarge, r8gb.4xlarge, r8gb.8xlarge, r8gb.large, r8gb.medium, r8gb.metal-24xl, r8gb.metal-48xl, r8gb.xlarge
Variantsr8a.xlarge, r8g.xlarge, r8gd.xlarge, r8gn.xlarge, r8i-flex.xlarge, r8i.xlarge, r8ib.xlarge, r8id.xlarge, r8idb.xlarge, r8idn.xlarge, r8in.xlarge
Free Tiernono
Burstablenono
Hibernationnoyes
Instance StorageEBS onlyEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 3500 MBpsup to 25000 MBps
Optimized Baseline Bandwidth800 Mbps6250 Mbps
Optimized Baseline Throughput100 Mbps781.25 Mbps
Optimized Baseline Performance6000 IOPS30000 IOPS
Optimized Max Performance20000 IOPS120000 IOPS
Optimized Max Bandwidth3500 Mbps25000 Mbps
Optimized Max Throughput437.5 Mbps3125 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 26.667 Gigabit
Enhanced Networkingyesyes
Max Interfaces44
Max Cards11
IPv4 Addresses per Interface1515
IPv6 Addresses per Interface1515
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x3.22x

Regional Prices

Geography
Region
a1.xlarge
r8gb.xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.1020n/a
HiddenHidden (hidden-1)0.1020n/a
HiddenHidden (hidden-2)0.1152n/a
HiddenHidden (hidden-3)0.1164n/a
HiddenHidden (hidden-4)0.1176n/a
HiddenHidden (hidden-5)0.1284n/a
HiddenHidden (hidden-6)0.1332n/a
USUS East (Ohio) (us-east-2)0.1020n/a
USUS East (Virginia) (us-east-1)0.10200.3644
USUS West (Oregon) (us-west-2)n/a0.3644
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