r8a.24xlargevsr8i.24xlarge

r8i.24xlarge is 13% cheaper than r8a.24xlarge on demand in US East (N. Virginia), saving $730.22 a month.

At a glancer8a.24xlarger8i.24xlarge
On-demand$7.668/hr$6.668/hr13% less
Lowest rate$1.122/hr4% lessSpot, can be interrupted$1.174/hrSpot, can be interrupted
Size96 vCPUs, 768 GiB96 vCPUs, 768 GiB
ProcessorAMD EPYC 9R45 ProcessorIntel Xeon Scalable (Granite Rapids)
Architecturex86_64x86_64

Prices in US East (N. Virginia)

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

Optionr8a.24xlarger8i.24xlarger8i.24xlarge vs r8a.24xlarge
On-demandPay by the hour$7.668$6.668▼ 13%
SpotCan be interrupted85% off$1.12282% off$1.174▲ 5%
1-yr savings planHourly commitment28% off$5.55628% off$4.831▼ 13%
3-yr savings planHourly commitment48% off$4.0048% off$3.478▼ 13%

Key differences

The biggest lead each one has.

Where r8a.24xlarge leads
Physical cores96 vs 48
2× higher
Where r8i.24xlarge leads
On-demand price$6.668 vs $7.668 per hour
13% cheaper

Specs

8 of 40 specs differ. Those are in bold.

Compute7 of 10 differr8a.24xlarger8i.24xlarge
vCPUs9696
Physical cores9648
Threads per core12
Architecturex86_64x86_64
ProcessorAMD EPYC 9R45 ProcessorIntel Xeon Scalable (Granite Rapids)
CPU makerAMDIntel
Clock speedUp to 4.5 GHz3.9 GHz
Sustained clock4.5 GHz3.9 GHz
Processor featuresAMD Turbo; AVX; AVX2; AVX512Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNoNo
MemoryAll 1 matchr8a.24xlarger8i.24xlarge
Memory (GiB)768768
NetworkingAll 8 matchr8a.24xlarger8i.24xlarge
Network40000 Megabit40000 Megabit
Network baseline40 Gbps40 Gbps
Network peak40 Gbps40 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces1616
IPv4 addresses per interface6464
StorageAll 11 matchr8a.24xlarger8i.24xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput30000 Mbps30000 Mbps
EBS baseline bandwidth30,000 Mbps30,000 Mbps
EBS max bandwidth30,000 Mbps30,000 Mbps
EBS baseline throughput3,750 MB/s3,750 MB/s
EBS max throughput3,750 MB/s3,750 MB/s
EBS baseline IOPS120,000120,000
EBS max IOPS120,000120,000
Max EBS volumes6464
Instance details1 of 10 differr8a.24xlarger8i.24xlarge
Familyr8ar8i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor192192
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoNo
Nitro EnclavesYesYes
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for r8a.24xlarge first. Linux, USD per hour.

Regionr8a.24xlarger8i.24xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$7.668$6.668▼ 13%
US East (Ohio)us-east-2$7.668$6.668▼ 13%
US West (Oregon)us-west-2$7.668$6.668▼ 13%
Canada (Central)ca-central-1$8.399$7.303▼ 13%
EU (Ireland)eu-west-1$8.581$7.462▼ 13%
Europe (Spain)eu-south-2$8.581$7.462▼ 13%
Asia Pacific (Tokyo)ap-northeast-1$9.251$8.044▼ 13%
EU (Frankfurt)eu-central-1$9.251$8.044▼ 13%

Keep exploring

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

r8a.24xlargeMemory optimized, r8a family
r8a.24xlarge prices and specsEvery size in the r8a family

Compare r8a.24xlarge with

r8g.24xlargec8a.24xlargem8a.24xlarger7a.24xlarge
r8i.24xlargeMemory optimized, r8i family
r8i.24xlarge prices and specsEvery size in the r8i family

Compare r8i.24xlarge with

c8i.24xlargem8i.24xlarger8g.24xlarger8ib.24xlarger8id.24xlarger8idb.24xlarger8idn.24xlarger8in.24xlarger7i.24xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 48% 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.