r8gb.8xlargevsr8ib.8xlarge

r8gb.8xlarge is 13% cheaper than r8ib.8xlarge on demand in US East (N. Virginia), saving $315.58 a month. They use different processor architectures (arm64 and x86_64), so software built for one may need rebuilding to run on the other.

At a glancer8gb.8xlarger8ib.8xlarge
On-demand$2.915/hr13% less$3.347/hr
Lowest rate$0.6495/hr38% lessSpot, can be interrupted$1.056/hrSpot, can be interrupted
Size32 vCPUs, 256 GiB32 vCPUs, 256 GiB
ProcessorAWS Graviton4 ProcessorIntel Xeon Scalable (Granite Rapids)
Architecturearm64x86_64

Prices in US East (N. Virginia)

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

Optionr8gb.8xlarger8ib.8xlarger8ib.8xlarge vs r8gb.8xlarge
On-demandPay by the hour$2.915$3.347▲ 15%
SpotCan be interrupted78% off$0.649568% off$1.056▲ 63%
1-yr savings planHourly commitment28% off$2.11228% off$2.425▲ 15%
3-yr savings planHourly commitment53% off$1.3653% off$1.562▲ 15%

Key differences

The biggest lead each one has.

Where r8gb.8xlarge leads
On-demand price$2.915 vs $3.347 per hour
13% cheaper
Physical cores32 vs 16
2× higher
Network baseline66.666 Gbps vs 33.333 Gbps
2× higher
EBS baseline bandwidth50,000 Mbps vs 25,000 Mbps
2× higher
Where r8ib.8xlarge leads
IPv4 addresses per interface50 vs 30
67% higher
Clock speed3.9 GHz vs 2.8 GHz
39% higher

Specs

22 of 40 specs differ. Those are in bold.

Compute8 of 10 differr8gb.8xlarger8ib.8xlarge
vCPUs3232
Physical cores3216
Threads per core12
Architecturearm64x86_64
ProcessorAWS Graviton4 ProcessorIntel Xeon Scalable (Granite Rapids)
CPU makerAWSIntel
Clock speed2.8 GHz3.9 GHz
Sustained clock2.8 GHz3.9 GHz
Processor features–Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNoNo
MemoryAll 1 matchr8gb.8xlarger8ib.8xlarge
Memory (GiB)256256
Networking5 of 8 differr8gb.8xlarger8ib.8xlarge
Network66.667 Gigabit33.33 Gigabit
Network baseline66.666 Gbps33.333 Gbps
Network peak66.666 Gbps33.333 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces108
IPv4 addresses per interface3050
Storage7 of 11 differr8gb.8xlarger8ib.8xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput50000 Mbps25000 Mbps
EBS baseline bandwidth50,000 Mbps25,000 Mbps
EBS max bandwidth50,000 Mbps25,000 Mbps
EBS baseline throughput6,250 MB/s3,125 MB/s
EBS max throughput6,250 MB/s3,125 MB/s
EBS baseline IOPS240,000120,000
EBS max IOPS240,000120,000
Max EBS volumes3232
Instance details2 of 10 differr8gb.8xlarger8ib.8xlarge
Familyr8gbr8ib
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor6464
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoNo
Nitro EnclavesYesYes
Boot modesUEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for r8gb.8xlarge first. Linux, USD per hour.

Regionr8gb.8xlarger8ib.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.915$3.347▲ 15%
US West (Oregon)us-west-2$2.915$3.347▲ 15%

Keep exploring

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

r8gb.8xlargeMemory optimized, r8gb family
r8gb.8xlarge prices and specsEvery size in the r8gb family

Compare r8gb.8xlarge with

c8gb.8xlarger8g.8xlargem8gb.8xlarge
r8ib.8xlargeMemory optimized, r8ib family
r8ib.8xlarge prices and specsEvery size in the r8ib family

Compare r8ib.8xlarge with

r8i.8xlargem8ib.8xlargec8ib.8xlarger5b.8xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 53% 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.