r5.8xlargevsr6i.8xlarge

r5.8xlarge and r6i.8xlarge cost the same on demand in US East (N. Virginia), $2.016 per hour.

At a glancer5.8xlarger6i.8xlarge
On-demand$2.016/hr$2.016/hr
Lowest rate$0.421/hr73% lessSpot, can be interrupted$1.556/hrSpot, can be interrupted
Size32 vCPUs, 256 GiB32 vCPUs, 256 GiB
ProcessorIntel Xeon Platinum 8175Intel Xeon 8375C (Ice Lake)
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.

Optionr5.8xlarger6i.8xlarger6i.8xlarge vs r5.8xlarge
On-demandPay by the hour$2.016$2.016Same
SpotCan be interrupted79% off$0.42123% off$1.556▲ 270%
1-yr reservedNo upfront37% off$1.2734% off$1.334▲ 5%
3-yr reservedNo upfront57% off$0.87155% off$0.9145▲ 5%
1-yr savings planHourly commitment28% off$1.46128% off$1.461Same
3-yr savings planHourly commitment48% off$1.05248% off$1.052Same

Key differences

The biggest lead each one has.

Where r5.8xlarge leads

No clear lead on the measures we compare.

Where r6i.8xlarge leads
EBS baseline bandwidth10,000 Mbps vs 6,800 Mbps
47% higher
Network baseline12.5 Gbps vs 10 Gbps
25% higher
Clock speed3.5 GHz vs 3.1 GHz
13% higher

Specs

15 of 41 specs differ. Those are in bold.

Compute4 of 11 differr5.8xlarger6i.8xlarge
vCPUs3232
Physical cores1616
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8175Intel Xeon 8375C (Ice Lake)
CPU makerIntelIntel
Clock speed3.1 GHz3.5 GHz
Sustained clock3.1 GHz3.5 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel TurboIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo
BurstableNoNo
ECU128–
MemoryAll 1 matchr5.8xlarger6i.8xlarge
Memory (GiB)256256
Networking3 of 8 differr5.8xlarger6i.8xlarge
Network10 Gigabit12500 Megabit
Network baseline10 Gbps12.5 Gbps
Network peak10 Gbps12.5 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface3030
Storage7 of 11 differr5.8xlarger6i.8xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput6800 Mbps10000 Mbps
EBS baseline bandwidth6,800 Mbps10,000 Mbps
EBS max bandwidth6,800 Mbps10,000 Mbps
EBS baseline throughput850 MB/s1,250 MB/s
EBS max throughput850 MB/s1,250 MB/s
EBS baseline IOPS30,00040,000
EBS max IOPS30,00040,000
Max EBS volumes2727
Instance details1 of 10 differr5.8xlarger6i.8xlarge
Familyr5r6i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor6464
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 r5.8xlarge first. Linux, USD per hour.

Regionr5.8xlarger6i.8xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.016$2.016Same
US East (Ohio)us-east-2$2.016$2.016Same
US West (Oregon)us-west-2$2.016$2.016Same
Asia Pacific (Hyderabad)ap-south-2$2.08$2.08Same
Asia Pacific (Mumbai)ap-south-1$2.08$2.08Same
EU (Stockholm)eu-north-1$2.144$2.144Same
Canada (Central)ca-central-1$2.208$2.208Same
Canada West (Calgary)ca-west-1$2.208$2.208Same
US West (N. California)us-west-1$2.24$2.24Same
EU (Ireland)eu-west-1$2.256$2.256Same
EU (London)eu-west-2$2.368$2.368Same
EU (Milan)eu-south-1$2.368$2.368Same
EU (Paris)eu-west-3$2.368$2.368Same
Israel (Tel Aviv)il-central-1$2.369$2.369Same
Asia Pacific (Sydney)ap-southeast-2$2.416$2.416Same
AWS GovCloud (US-East)us-gov-east-1$2.416$2.416Same
AWS GovCloud (US-West)us-gov-west-1$2.416$2.416Same
Asia Pacific (Osaka)ap-northeast-3$2.432$2.432Same
Asia Pacific (Seoul)ap-northeast-2$2.432$2.432Same
Asia Pacific (Singapore)ap-southeast-1$2.432$2.432Same
Asia Pacific (Tokyo)ap-northeast-1$2.432$2.432Same
EU (Frankfurt)eu-central-1$2.432$2.432Same
Middle East (Bahrain)me-south-1$2.482$2.482Same
Middle East (UAE)me-central-1$2.482$2.482Same
Asia Pacific (Hong Kong)ap-east-1$2.672$2.672Same
Europe (Zurich)eu-central-2$2.675$2.675Same
Africa (Cape Town)af-south-1$2.688$2.688Same
South America (Sao Paulo)sa-east-1$3.216$3.216Same

Keep exploring

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

r5.8xlargeMemory optimized, r5 family
r5.8xlarge prices and specsEvery size in the r5 family

Compare r5.8xlarge with

m5.8xlarger5d.8xlarger5dn.8xlarger5n.8xlarger5a.8xlarger5b.8xlarger4.8xlarge
r6i.8xlargeMemory optimized, r6i family
r6i.8xlarge prices and specsEvery size in the r6i family

Compare r6i.8xlarge with

c6i.8xlargem6i.8xlarger6g.8xlarger6id.8xlarger6a.8xlarger6idn.8xlarger6in.8xlarger7i.8xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 55–57% 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.