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z1d.12xlarge vs x8i.12xlarge

Instance Typez1d.12xlargex8i.12xlarge
Instance FamilyMemory optimizedMemory optimized
DetailsHigh memory and compute applications; suitable for Electronic Design Automation (EDA) and certain relational database workloads.

z – Zippy / Compute and memory optimized
1 – Generation
d – Instance store volume
12xlarge – Size
In-memory databases (like SAP HANA), big data engines (such as Apache Spark, Presto), high-performance computing (HPC), and memory-heavy enterprise apps.

x – Extreme RAM / memory intensive
8 – Generation
i – Intel processor
12xlarge – Size
vCPUs4848
Memory384 GiB768 GiB
CPU Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8151Intel Xeon Scalable (Granite Rapids)
Clock Speed4 GHz3.9 GHz
Threads Per Core22
Accelerators
GPUnono
Inference Acceleratornono
FPGAnono
Instances
Sizesz1d.12xlarge, z1d.2xlarge, z1d.3xlarge, z1d.6xlarge, z1d.large, z1d.metal, z1d.xlargex8i.12xlarge, x8i.16xlarge, x8i.24xlarge, x8i.2xlarge, x8i.32xlarge, x8i.48xlarge, x8i.4xlarge, x8i.64xlarge, x8i.8xlarge, x8i.96xlarge, x8i.large, x8i.metal-48xl, x8i.metal-96xl, x8i.xlarge
Variantsx8aedz.12xlarge, x8g.12xlarge
RDSdb.z1d.12xlarge
Free Tiernono
Burstablenono
Hibernationnono
EC2 Compute Units235
Instance Storage2 x 900 NVMe SSDEBS only
EBS (Elastic Block Store)
EBS Optimizeddefaultdefault
Encryptionsupportedsupported
NVMerequiredrequired
Dedicated Throughput14000 MBps15000 MBps
Optimized Baseline Bandwidth19000 Mbps15000 Mbps
Optimized Baseline Throughput2375 Mbps1875 Mbps
Optimized Baseline Performance80000 IOPS60000 IOPS
Optimized Max Performance80000 IOPS60000 IOPS
Optimized Max Bandwidth19000 Mbps15000 Mbps
Optimized Max Throughput2375 Mbps1875 Mbps
Networking
Networking Performance25 Gigabit22500 Megabit
Enhanced Networkingyesyes
Max Interfaces1512
Max Cards11
IPv4 Addresses per Interface5050
IPv6 Addresses per Interface5050
IPv6 Supportyesyes
ENA Supportrequiredrequired
EFA Supportnono
Encryption in Transit Supportnoyes
ENA SRD Supportnono
Avg Price Diff1.00x1.15x

Regional Prices

Geography
Region
z1d.12xlarge
x8i.12xlarge
HiddenHidden (hidden-1)4.70405.9894
HiddenHidden (hidden-2)4.99207.3529
HiddenHidden (hidden-3)5.0640n/a
HiddenHidden (hidden-4)5.2730n/a
HiddenHidden (hidden-5)5.4000n/a
HiddenHidden (hidden-6)5.4000n/a
HiddenHidden (hidden-7)5.4240n/a
HiddenHidden (hidden-8)5.4240n/a
HiddenHidden (hidden-9)5.4480n/a
USUS East (Ohio) (us-east-2)4.46405.2519
USUS East (Virginia) (us-east-1)4.46405.2519
USUS West (Oregon) (us-west-2)4.46405.2519
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