r8gb.2xlargevsr8ib.2xlarge

r8gb.2xlarge is 13% cheaper than r8ib.2xlarge on demand in US East (N. Virginia), saving $78.91 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.2xlarger8ib.2xlarge
On-demand$0.7287/hr13% less$0.8368/hr
Lowest rate$0.2626/hr22% lessSpot, can be interrupted$0.3349/hrSpot, can be interrupted
Size8 vCPUs, 64 GiB8 vCPUs, 64 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.2xlarger8ib.2xlarger8ib.2xlarge vs r8gb.2xlarge
On-demandPay by the hour$0.7287$0.8368▲ 15%
SpotCan be interrupted64% off$0.262660% off$0.3349▲ 28%
1-yr savings planHourly commitment28% off$0.52828% off$0.6063▲ 15%
3-yr savings planHourly commitment53% off$0.3453% off$0.3904▲ 15%

Key differences

The biggest lead each one has.

Where r8gb.2xlarge leads
On-demand price$0.7287 vs $0.8368 per hour
13% cheaper
Physical cores8 vs 4
2× higher
Network baseline16.666 Gbps vs 8.333 Gbps
2× higher
EBS baseline bandwidth12,500 Mbps vs 6,250 Mbps
2× higher
Where r8ib.2xlarge leads
IPv4 addresses per interface30 vs 15
2× higher
Clock speed3.9 GHz vs 2.8 GHz
39% higher

Specs

17 of 40 specs differ. Those are in bold.

Compute8 of 10 differr8gb.2xlarger8ib.2xlarge
vCPUs88
Physical cores84
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.2xlarger8ib.2xlarge
Memory (GiB)6464
Networking4 of 8 differr8gb.2xlarger8ib.2xlarge
NetworkUp to 33.333 GigabitUp to 26.66 Gigabit
Network baseline16.666 Gbps8.333 Gbps
Network peak33.333 Gbps26.667 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces44
IPv4 addresses per interface1530
Storage3 of 11 differr8gb.2xlarger8ib.2xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 25000 MbpsUp to 25000 Mbps
EBS baseline bandwidth12,500 Mbps6,250 Mbps
EBS max bandwidth25,000 Mbps25,000 Mbps
EBS baseline throughput1,562.5 MB/s781.25 MB/s
EBS max throughput3,125 MB/s3,125 MB/s
EBS baseline IOPS60,00030,000
EBS max IOPS120,000120,000
Max EBS volumes3232
Instance details2 of 10 differr8gb.2xlarger8ib.2xlarge
Familyr8gbr8ib
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor1616
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesYesYes
Boot modesUEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for r8gb.2xlarge first. Linux, USD per hour.

Regionr8gb.2xlarger8ib.2xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.7287$0.8368▲ 15%
US West (Oregon)us-west-2$0.7287$0.8368▲ 15%

Keep exploring

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

r8gb.2xlargeMemory optimized, r8gb family
r8gb.2xlarge prices and specsEvery size in the r8gb family

Compare r8gb.2xlarge with

c8gb.2xlarger8g.2xlargem8gb.2xlarge
r8ib.2xlargeMemory optimized, r8ib family
r8ib.2xlarge prices and specsEvery size in the r8ib family

Compare r8ib.2xlarge with

r8i.2xlargem8ib.2xlargec8ib.2xlarger5b.2xlarge

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.