m8gn.4xlarge vs x2iezn.4xlarge

Accelerators
Instance Type	m8gn.4xlarge	x2iezn.4xlarge
Instance Family	General purpose	Memory optimized
Details	Small to medium size databases, data processing, caching, backends. m – Multi purpose 8 – Generation g – AWS Graviton processor n – Network and EBS optimized 4xlarge – 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 2 – Generation i – Intel processor e – Extra storage or memory z – High performance n – Network and EBS optimized 4xlarge – Size
vCPUs	16	16
Memory	64 GiB	512 GiB
CPU Architecture	arm64	x86_64
Processor	AWS Graviton4 Processor	Intel Xeon Platinum 8252
Clock Speed	2.8 GHz	4.5 GHz
Threads Per Core	1	2
GPU	no	no
Inference Accelerator	no	no
FPGA	no	no
Instances
Sizes	m8gn.12xlarge, m8gn.16xlarge, m8gn.24xlarge, m8gn.2xlarge, m8gn.48xlarge, m8gn.4xlarge, m8gn.8xlarge, m8gn.large, m8gn.medium, m8gn.metal-24xl, m8gn.metal-48xl, m8gn.xlarge	x2iezn.12xlarge, x2iezn.2xlarge, x2iezn.4xlarge, x2iezn.6xlarge, x2iezn.8xlarge, x2iezn.metal
Variants	m8a.4xlarge, m8g.4xlarge, m8gb.4xlarge, m8gd.4xlarge, m8i-flex.4xlarge, m8i.4xlarge, m8ib.4xlarge, m8id.4xlarge, m8idb.4xlarge, m8idn.4xlarge, m8in.4xlarge, m8ine.4xlarge	x2gd.4xlarge, x2iedn.4xlarge
RDS		db.x2iezn.4xlarge
Free Tier	no	no
Burstable	no	no
Hibernation	yes	no
Instance Storage	EBS only	EBS only
EBS (Elastic Block Store)
EBS Optimized	default	default
Encryption	supported	supported
NVMe	required	required
Dedicated Throughput	10000 MBps	4750 MBps
Optimized Baseline Bandwidth	10000 Mbps	4750 Mbps
Optimized Baseline Throughput	1250 Mbps	593.75 Mbps
Optimized Baseline Performance	40000 IOPS	20000 IOPS
Optimized Max Performance	40000 IOPS	20000 IOPS
Optimized Max Bandwidth	10000 Mbps	4750 Mbps
Optimized Max Throughput	1250 Mbps	593.75 Mbps
Networking
Networking Performance	50 Gigabit	Up to 25 Gigabit
Enhanced Networking	yes	yes
Max Interfaces	8	8
Max Cards	1	1
IPv4 Addresses per Interface	30	30
IPv6 Addresses per Interface	30	30
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	3.24x

Regional Prices

Geography	Region	m8gn.4xlarge	x2iezn.4xlarge
Europe	Europe (Ireland) (eu-west-1)	1.3010	4.0000
Hidden	Hidden (hidden-1)	n/a	4.1020
Hidden	Hidden (hidden-2)	n/a	4.8360
US	US East (Virginia) (us-east-1)	1.1640	3.3360
US	US West (Oregon) (us-west-2)	1.1640	3.3360