r9g.4xlargevsr9gd.4xlarge

r9g.4xlarge is 20% cheaper than r9gd.4xlarge on demand in US East (N. Virginia), saving $185.42 a month.

At a glancer9g.4xlarger9gd.4xlarge
On-demand$1.027/hr20% less$1.281/hr
Lowest rate$0.4976/hrSpot, can be interrupted$0.4152/hr17% lessSpot, can be interrupted
Size16 vCPUs, 128 GiB16 vCPUs, 128 GiB
ProcessorAWS Graviton5 ProcessorAWS Graviton5 Processor
Architecturearm64arm64

Prices in US East (N. Virginia)

“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.

Optionr9g.4xlarger9gd.4xlarger9gd.4xlarge vs r9g.4xlarge
On-demandPay by the hour$1.027$1.281▲ 25%
SpotCan be interrupted52% off$0.497668% off$0.4152▼ 17%
1-yr savings planHourly commitment28% off$0.744327% off$0.9297▲ 25%
3-yr savings planHourly commitment48% off$0.535949% off$0.6583▲ 23%

Key differences

The biggest lead each one has.

Where r9g.4xlarge leads
On-demand price$1.027 vs $1.281 per hour
20% cheaper
Where r9gd.4xlarge leads

No clear lead on the measures we compare.

Specs

3 of 40 specs differ. Those are in bold.

ComputeAll 9 matchr9g.4xlarger9gd.4xlarge
vCPUs1616
Physical cores1616
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton5 ProcessorAWS Graviton5 Processor
CPU makerAWSAWS
Clock speed3.3 GHz3.3 GHz
Sustained clock3.3 GHz3.3 GHz
BurstableNoNo
MemoryAll 1 matchr9g.4xlarger9gd.4xlarge
Memory (GiB)128128
NetworkingAll 8 matchr9g.4xlarger9gd.4xlarge
NetworkUp to 17 GigabitUp to 17 Gigabit
Network baseline8.5 Gbps8.5 Gbps
Network peak17 Gbps17 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface5050
Storage2 of 12 differr9g.4xlarger9gd.4xlarge
StorageEBS only1 x 950 NVMe SSD
Local disks–1 × 950 GB SSD
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 12000 MbpsUp to 12000 Mbps
EBS baseline bandwidth6,000 Mbps6,000 Mbps
EBS max bandwidth12,000 Mbps12,000 Mbps
EBS baseline throughput750 MB/s750 MB/s
EBS max throughput1,500 MB/s1,500 MB/s
EBS baseline IOPS24,00024,000
EBS max IOPS48,00048,000
Max EBS volumes3232
Instance details1 of 10 differr9g.4xlarger9gd.4xlarge
Familyr9gr9gd
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor3232
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesYesYes
Boot modesUEFIUEFI

On-demand prices by region

Cheapest for r9g.4xlarge first. Linux, USD per hour.

Regionr9g.4xlarger9gd.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.027$1.281▲ 25%
US East (Ohio)us-east-2$1.027$1.281▲ 25%
US West (Oregon)us-west-2$1.027$1.281▲ 25%
EU (Frankfurt)eu-central-1$1.239$1.54▲ 24%

Keep exploring

Each type’s own page, and how it compares with others.

r9g.4xlargeMemory optimized, r9g family
r9g.4xlarge prices and specsEvery size in the r9g family

Compare r9g.4xlarge with

c9g.4xlargem9g.4xlarger8g.4xlarge
r9gd.4xlargeMemory optimized, r9gd family
r9gd.4xlarge prices and specsEvery size in the r9gd family

Compare r9gd.4xlarge with

c9gd.4xlargem9gd.4xlarger8gd.4xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 48–49% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

Connect AWS account

AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.