r8in.32xlarge vs r8idn.32xlarge

Accelerators
Instance Type	r8in.32xlarge	r8idn.32xlarge
Instance Family	Memory optimized	Memory optimized
Details	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 i – Intel processor n – Network and EBS optimized 32xlarge – 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 i – Intel processor d – Instance store volume n – Network and EBS optimized 32xlarge – Size
vCPUs	128	128
Memory	1024 GiB	1024 GiB
CPU Architecture	x86_64	x86_64
Processor	Intel Xeon Scalable (Granite Rapids)	Intel Xeon Scalable (Granite Rapids)
Clock Speed	3.9 GHz	3.9 GHz
Threads Per Core	2	2
GPU	no	no
Inference Accelerator	no	no
FPGA	no	no
Instances
Sizes	r8in.12xlarge, r8in.16xlarge, r8in.24xlarge, r8in.2xlarge, r8in.32xlarge, r8in.48xlarge, r8in.4xlarge, r8in.8xlarge, r8in.96xlarge, r8in.large, r8in.xlarge	r8idn.12xlarge, r8idn.16xlarge, r8idn.24xlarge, r8idn.2xlarge, r8idn.32xlarge, r8idn.48xlarge, r8idn.4xlarge, r8idn.8xlarge, r8idn.96xlarge, r8idn.large, r8idn.xlarge
Generations	r6in.32xlarge, r8in.32xlarge	r6idn.32xlarge, r8idn.32xlarge
Variants	r8i.32xlarge, r8ib.32xlarge, r8id.32xlarge, r8idb.32xlarge, r8idn.32xlarge	r8i.32xlarge, r8ib.32xlarge, r8id.32xlarge, r8idb.32xlarge, r8in.32xlarge
Free Tier	no	no
Burstable	no	no
Hibernation	no	no
Instance Storage	EBS only	2 x 3800 NVMe SSD
EBS (Elastic Block Store)
EBS Optimized	default	default
Encryption	supported	supported
NVMe	required	required
Dedicated Throughput	40000 MBps	40000 MBps
Optimized Baseline Bandwidth	40000 Mbps	40000 Mbps
Optimized Baseline Throughput	5000 Mbps	5000 Mbps
Optimized Baseline Performance	160000 IOPS	160000 IOPS
Optimized Max Performance	160000 IOPS	160000 IOPS
Optimized Max Bandwidth	40000 Mbps	40000 Mbps
Optimized Max Throughput	5000 Mbps	5000 Mbps
Networking
Networking Performance	200 Gigabit	200 Gigabit
Enhanced Networking	yes	yes
Max Interfaces	16	16
Max Cards	1	1
IPv4 Addresses per Interface	64	64
IPv6 Addresses per Interface	64	64
IPv6 Support	yes	yes
ENA Support	required	required
EFA Support	no	no
Encryption in Transit Support	yes	yes
ENA SRD Support	yes	yes
Avg Price Diff	1.00x	1.12x

Regional Prices

Geography	Region	r8in.32xlarge	r8idn.32xlarge
Hidden	Hidden (hidden-1)	15.0061	16.7130
US	US East (Ohio) (us-east-2)	13.3888	15.0061
US	US East (Virginia) (us-east-1)	13.3888	15.0061
US	US West (Oregon) (us-west-2)	13.3888	15.0061