r8a.48xlargevsr8i.48xlarge

r8i.48xlarge is 13% cheaper than r8a.48xlarge on demand in US East (N. Virginia), saving $1,460.51 a month.

At a glancer8a.48xlarger8i.48xlarge
On-demand$15.337/hr$13.336/hr13% less
Lowest rate$3.25/hr41% lessSpot, can be interrupted$5.521/hrSpot, can be interrupted
Size192 vCPUs, 1536 GiB192 vCPUs, 1536 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.48xlarger8i.48xlarger8i.48xlarge vs r8a.48xlarge
On-demandPay by the hour$15.337$13.336▼ 13%
SpotCan be interrupted79% off$3.2559% off$5.521▲ 70%
1-yr savings planHourly commitment28% off$11.11228% off$9.662▼ 13%
3-yr savings planHourly commitment48% off$8.0048% off$6.957▼ 13%

Key differences

The biggest lead each one has.

Where r8a.48xlarge leads
Physical cores192 vs 96
2× higher
Where r8i.48xlarge leads
On-demand price$13.336 vs $15.337 per hour
13% cheaper

Specs

8 of 40 specs differ. Those are in bold.

Compute7 of 10 differr8a.48xlarger8i.48xlarge
vCPUs192192
Physical cores19296
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.48xlarger8i.48xlarge
Memory (GiB)1,5361,536
NetworkingAll 8 matchr8a.48xlarger8i.48xlarge
Network75000 Megabit75000 Megabit
Network baseline75 Gbps75 Gbps
Network peak75 Gbps75 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFAYesYes
IPv6YesYes
Max network interfaces2424
IPv4 addresses per interface6464
StorageAll 11 matchr8a.48xlarger8i.48xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput60000 Mbps60000 Mbps
EBS baseline bandwidth60,000 Mbps60,000 Mbps
EBS max bandwidth60,000 Mbps60,000 Mbps
EBS baseline throughput7,500 MB/s7,500 MB/s
EBS max throughput7,500 MB/s7,500 MB/s
EBS baseline IOPS240,000240,000
EBS max IOPS240,000240,000
Max EBS volumes128128
Instance details1 of 10 differr8a.48xlarger8i.48xlarge
Familyr8ar8i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor384384
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.48xlarge first. Linux, USD per hour.

Regionr8a.48xlarger8i.48xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$15.337$13.336▼ 13%
US East (Ohio)us-east-2$15.337$13.336▼ 13%
US West (Oregon)us-west-2$15.337$13.336▼ 13%
Canada (Central)ca-central-1$16.797$14.606▼ 13%
EU (Ireland)eu-west-1$17.162$14.923▼ 13%
Europe (Spain)eu-south-2$17.162$14.923▼ 13%
Asia Pacific (Tokyo)ap-northeast-1$18.501$16.088▼ 13%
EU (Frankfurt)eu-central-1$18.501$16.088▼ 13%

Keep exploring

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

r8a.48xlargeMemory optimized, r8a family
r8a.48xlarge prices and specsEvery size in the r8a family

Compare r8a.48xlarge with

r8g.48xlargec8a.48xlargem8a.48xlarger7a.48xlarge
r8i.48xlargeMemory optimized, r8i family
r8i.48xlarge prices and specsEvery size in the r8i family

Compare r8i.48xlarge with

c8i.48xlargem8i.48xlarger8g.48xlarger8ib.48xlarger8id.48xlarger8idb.48xlarger8idn.48xlarger8in.48xlarger7i.48xlarge

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.