a1.xlarge vs z1d.xlarge

Instance Typea1.xlargez1d.xlarge
Instance FamilyGeneral purposeMemory optimized
DetailsObsolete. Not recommended for use
Web servers, containerized microservices, caching fleets, distributed data stores, and dev environments.

aARM AWS Graviton Processor
1 – Generation
xlarge – Size
High memory and compute applications; suitable for Electronic Design Automation (EDA) and certain relational database workloads.

zZippy / Compute and memory optimized
1 – Generation
d – Instance store volume
xlarge – Size
vCPUs44
Memory8 GiB32 GiB
CPU Architecturearm64x86_64
ProcessorAWS Graviton ProcessorIntel Xeon Platinum 8151
Clock Speed2.3 GHz4 GHz
Threads Per Core12
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesa1.2xlarge, a1.4xlarge, a1.large, a1.medium, a1.metal, a1.xlargez1d.12xlarge, z1d.2xlarge, z1d.3xlarge, z1d.6xlarge, z1d.large, z1d.metal, z1d.xlarge
RDSdb.z1d.xlarge
Free Tiernono
Burstablenono
Hibernationnono
EC2 Compute Units23
Instance StorageEBS only1 x 150 NVMe SSD
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughputup to 3500 MBpsup to 2333 MBps
Optimized Baseline Bandwidth800 Mbps1580 Mbps
Optimized Baseline Throughput100 Mbps197.5 Mbps
Optimized Baseline Performance6000 IOPS6667 IOPS
Optimized Max Performance20000 IOPS13333 IOPS
Optimized Max Bandwidth3500 Mbps3170 Mbps
Optimized Max Throughput437.5 Mbps396.25 Mbps
Networking
Networking PerformanceUp to 10 GigabitUp to 10 Gigabit
Enhanced Networkingyesyes
Max Interfaces44
Max Cards11
IPv4 Addresses per Interface1515
IPv6 Addresses per Interface1515
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnono
ENA SRD Supportnono
Avg Price Diff1.00x3.71x

Regional Prices

Geography
Region
a1.xlarge
z1d.xlarge
Asia PacificAsia Pacific (Mumbai) (ap-south-1)0.1020n/a
HiddenHidden (hidden-1)0.10200.3920
HiddenHidden (hidden-2)0.11520.4160
HiddenHidden (hidden-3)0.11640.4220
HiddenHidden (hidden-4)0.11760.4390
HiddenHidden (hidden-5)0.12840.4500
HiddenHidden (hidden-6)0.13320.4500
HiddenHidden (hidden-7)n/a0.4520
HiddenHidden (hidden-8)n/a0.4520
HiddenHidden (hidden-9)n/a0.4540
USUS East (Ohio) (us-east-2)0.10200.3720
USUS East (Virginia) (us-east-1)0.10200.3720
USUS West (Oregon) (us-west-2)n/a0.3720
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