r8g.xlargevsr9g.xlarge

r8g.xlarge is 8% cheaper than r9g.xlarge on demand in US East (N. Virginia), saving $15.48 a month.

At a glancer8g.xlarger9g.xlarge
On-demand$0.2356/hr8% less$0.2568/hr
Lowest rate$0.0846/hr27% lessSpot, can be interrupted$0.1161/hrSpot, can be interrupted
Size4 vCPUs, 32 GiB4 vCPUs, 32 GiB
ProcessorAWS Graviton4 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.

Optionr8g.xlarger9g.xlarger9g.xlarge vs r8g.xlarge
On-demandPay by the hour$0.2356$0.2568▲ 9%
SpotCan be interrupted64% off$0.084655% off$0.1161▲ 37%
1-yr reservedNo upfront34% off$0.1559——
3-yr reservedNo upfront55% off$0.1069——
1-yr savings planHourly commitment28% off$0.170728% off$0.1861▲ 9%
3-yr savings planHourly commitment48% off$0.122948% off$0.134▲ 9%

Key differences

The biggest lead each one has.

Where r8g.xlarge leads
On-demand price$0.2356 vs $0.2568 per hour
8% cheaper
Where r9g.xlarge leads
IPv4 addresses per interface30 vs 15
2× higher
Clock speed3.3 GHz vs 2.7 GHz
22% higher
EBS baseline bandwidth1,500 Mbps vs 1,250 Mbps
20% higher

Specs

14 of 39 specs differ. Those are in bold.

Compute3 of 9 differr8g.xlarger9g.xlarge
vCPUs44
Physical cores44
Threads per core11
Architecturearm64arm64
ProcessorAWS Graviton4 ProcessorAWS Graviton5 Processor
CPU makerAWSAWS
Clock speed2.7 GHz3.3 GHz
Sustained clock2.8 GHz3.3 GHz
BurstableNoNo
MemoryAll 1 matchr8g.xlarger9g.xlarge
Memory (GiB)3232
Networking4 of 8 differr8g.xlarger9g.xlarge
NetworkUp to 12.5 GigabitUp to 15 Gigabit
Network baseline1.875 Gbps2.1 Gbps
Network peak12.5 Gbps15 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces44
IPv4 addresses per interface1530
Storage6 of 11 differr8g.xlarger9g.xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 10 GbpsUp to 12000 Mbps
EBS baseline bandwidth1,250 Mbps1,500 Mbps
EBS max bandwidth10,000 Mbps12,000 Mbps
EBS baseline throughput156.25 MB/s187.5 MB/s
EBS max throughput1,250 MB/s1,500 MB/s
EBS baseline IOPS6,0006,000
EBS max IOPS40,00048,000
Max EBS volumes3232
Instance details1 of 10 differr8g.xlarger9g.xlarge
Familyr8gr9g
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor88
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesYesYes
Boot modesUEFIUEFI

On-demand prices by region

Cheapest for r8g.xlarge first. Linux, USD per hour.

Regionr8g.xlarger9g.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.2356$0.2568▲ 9%
US East (Ohio)us-east-2$0.2356$0.2568▲ 9%
US West (Oregon)us-west-2$0.2356$0.2568▲ 9%
EU (Frankfurt)eu-central-1$0.2842$0.3098▲ 9%

Keep exploring

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

r8g.xlargeMemory optimized, r8g family
r8g.xlarge prices and specsEvery size in the r8g family

Compare r8g.xlarge with

c8g.xlargem8g.xlarger8gd.xlarger8i.xlarger8a.xlarger8gb.xlarger8gn.xlarger7g.xlarge
r9g.xlargeMemory optimized, r9g family
r9g.xlarge prices and specsEvery size in the r9g family

Compare r9g.xlarge with

c9g.xlargem9g.xlarger9gd.xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 48–55% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

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