r8a.4xlarge vs x2gd.4xlarge

Accelerators
Instance Type	r8a.4xlarge	x2gd.4xlarge
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 a – AMD processor 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 g – AWS Graviton processor d – Instance store volume 4xlarge – Size
vCPUs	16	16
Memory	128 GiB	256 GiB
CPU Architecture	x86_64	arm64
Processor	AMD EPYC 9R45 Processor	AWS Graviton2 Processor
Clock Speed	4.5 GHz	2.5 GHz
Threads Per Core	1	1
GPU	no	no
Inference Accelerator	no	no
FPGA	no	no
Instances
Sizes	r8a.12xlarge, r8a.16xlarge, r8a.24xlarge, r8a.2xlarge, r8a.48xlarge, r8a.4xlarge, r8a.8xlarge, r8a.large, r8a.medium, r8a.metal-24xl, r8a.metal-48xl, r8a.xlarge	x2gd.12xlarge, x2gd.16xlarge, x2gd.2xlarge, x2gd.4xlarge, x2gd.8xlarge, x2gd.large, x2gd.medium, x2gd.metal, x2gd.xlarge
Generations	r5a.4xlarge, r6a.4xlarge, r7a.4xlarge, r8a.4xlarge
Variants	r8g.4xlarge, r8gb.4xlarge, r8gd.4xlarge, r8gn.4xlarge, r8i-flex.4xlarge, r8i.4xlarge, r8ib.4xlarge, r8id.4xlarge, r8idb.4xlarge, r8idn.4xlarge, r8in.4xlarge	x2iedn.4xlarge, x2iezn.4xlarge
RDS	db.r8a.4xlarge
Free Tier	no	no
Burstable	no	no
Hibernation	yes	no
Instance Storage	EBS only	1 x 950 SSD
EBS (Elastic Block Store)
EBS Optimized	default	default
Encryption	supported	supported
NVMe	required	required
Dedicated Throughput	up to 10000 MBps	4750 MBps
Optimized Baseline Bandwidth	5000 Mbps	4750 Mbps
Optimized Baseline Throughput	625 Mbps	593.75 Mbps
Optimized Baseline Performance	20000 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	Up to 15000 Megabit	Up to 10 Gigabit
Enhanced Networking	yes	yes
Max Interfaces	8	8
Max Cards	1	1
IPv4 Addresses per Interface	40	30
IPv6 Addresses per Interface	40	30
IPv6 Support	yes	yes
ENA Support	required	required
EFA Support	no	no
Encryption in Transit Support	yes	no
ENA SRD Support	no	no
Avg Price Diff	1.00x	1.00x

Regional Prices

US Dollar ($)

Per Hour

Linux

Shared Tenancy

On Demand

Geography	Region	r8a.4xlarge	x2gd.4xlarge
Hidden	Hidden (hidden-1)	1.4302	1.6000
Hidden	Hidden (hidden-2)	1.4302	n/a
Hidden	Hidden (hidden-3)	1.5418	n/a
Hidden	Hidden (hidden-4)	1.5418	n/a
US	US East (Ohio) (us-east-2)	1.2781	1.3360
US	US East (Virginia) (us-east-1)	1.2781	1.3360
US	US West (Oregon) (us-west-2)	1.2781	1.3360