m8id.12xlarge vs r8id.12xlarge

Accelerators
Instance Type	m8id.12xlarge	r8id.12xlarge
Instance Family	General purpose	Memory optimized
Details	Small to medium size databases, data processing, caching, backends. m – Multi purpose 8 – Generation i – Intel processor d – Instance store volume 12xlarge – 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 12xlarge – Size
vCPUs	48	48
Memory	192 GiB	384 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	m8id.12xlarge, m8id.16xlarge, m8id.24xlarge, m8id.2xlarge, m8id.32xlarge, m8id.48xlarge, m8id.4xlarge, m8id.8xlarge, m8id.96xlarge, m8id.large, m8id.metal-48xl, m8id.metal-96xl, m8id.xlarge	r8id.12xlarge, r8id.16xlarge, r8id.24xlarge, r8id.2xlarge, r8id.32xlarge, r8id.48xlarge, r8id.4xlarge, r8id.8xlarge, r8id.96xlarge, r8id.large, r8id.metal-48xl, r8id.metal-96xl, r8id.xlarge
Generations	m6id.12xlarge, m8id.12xlarge	r6id.12xlarge, r8id.12xlarge
Variants	m8a.12xlarge, m8azn.12xlarge, m8g.12xlarge, m8gb.12xlarge, m8gd.12xlarge, m8gn.12xlarge, m8i-flex.12xlarge, m8i.12xlarge	r8a.12xlarge, r8g.12xlarge, r8gb.12xlarge, r8gd.12xlarge, r8gn.12xlarge, r8i-flex.12xlarge, r8i.12xlarge
Free Tier	no	no
Burstable	no	no
Hibernation	no	no
Instance Storage	1 x 2850 NVMe SSD	1 x 2850 NVMe SSD
EBS (Elastic Block Store)
EBS Optimized	default	default
Encryption	supported	supported
NVMe	required	required
Dedicated Throughput	15000 MBps	15000 MBps
Optimized Baseline Bandwidth	15000 Mbps	15000 Mbps
Optimized Baseline Throughput	1875 Mbps	1875 Mbps
Optimized Baseline Performance	60000 IOPS	60000 IOPS
Optimized Max Performance	60000 IOPS	60000 IOPS
Optimized Max Bandwidth	15000 Mbps	15000 Mbps
Optimized Max Throughput	1875 Mbps	1875 Mbps
Networking
Networking Performance	22500 Megabit	22500 Megabit
Enhanced Networking	yes	yes
Max Interfaces	12	12
Max Cards	1	1
IPv4 Addresses per Interface	50	50
IPv6 Addresses per Interface	50	50
IPv6 Support	yes	yes
ENA Support	required	required
EFA Support	no	no
Encryption in Transit Support	yes	yes
ENA SRD Support	no	no
Avg Price Diff	1.00x	1.26x

Regional Prices

Geography	Region	m8id.12xlarge	r8id.12xlarge
Hidden	Hidden (hidden-1)	3.4927	4.4352
Hidden	Hidden (hidden-2)	3.7699	4.7957
Hidden	Hidden (hidden-3)	4.0471	4.8233
US	US East (Ohio) (us-east-2)	3.1325	3.9917
US	US East (Virginia) (us-east-1)	3.1325	3.9917
US	US West (Oregon) (us-west-2)	3.1325	3.9917