r7i.16xlargevsr8i.16xlarge

r7i.16xlarge is 5% cheaper than r8i.16xlarge on demand in US East (N. Virginia), saving $154.61 a month.

At a glancer7i.16xlarger8i.16xlarge
On-demand$4.234/hr5% less$4.445/hr
Lowest rate$1.321/hrSpot, can be interrupted$0.8961/hr32% lessSpot, can be interrupted
Size64 vCPUs, 512 GiB64 vCPUs, 512 GiB
ProcessorIntel Xeon Scalable (Sapphire Rapids)Intel 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.

Optionr7i.16xlarger8i.16xlarger8i.16xlarge vs r7i.16xlarge
On-demandPay by the hour$4.234$4.445▲ 5%
SpotCan be interrupted69% off$1.32180% off$0.8961▼ 32%
1-yr reservedNo upfront34% off$2.80——
3-yr reservedNo upfront55% off$1.92——
1-yr savings planHourly commitment28% off$3.06728% off$3.221▲ 5%
3-yr savings planHourly commitment48% off$2.20848% off$2.319▲ 5%

Key differences

The biggest lead each one has.

Where r7i.16xlarge leads
On-demand price$4.234 vs $4.445 per hour
5% cheaper
Where r8i.16xlarge leads
IPv4 addresses per interface64 vs 50
28% higher
Clock speed3.9 GHz vs 3.2 GHz
22% higher

Specs

9 of 40 specs differ. Those are in bold.

Compute3 of 10 differr7i.16xlarger8i.16xlarge
vCPUs6464
Physical cores3232
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Scalable (Sapphire Rapids)Intel Xeon Scalable (Granite Rapids)
CPU makerIntelIntel
Clock speed3.2 GHz3.9 GHz
Sustained clock3.2 GHz3.9 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMXIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNoNo
MemoryAll 1 matchr7i.16xlarger8i.16xlarge
Memory (GiB)512512
Networking5 of 8 differr7i.16xlarger8i.16xlarge
Network25000 Megabit30000 Megabit
Network baseline25 Gbps30 Gbps
Network peak25 Gbps30 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces1516
IPv4 addresses per interface5064
StorageAll 11 matchr7i.16xlarger8i.16xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput20000 Mbps20000 Mbps
EBS baseline bandwidth20,000 Mbps20,000 Mbps
EBS max bandwidth20,000 Mbps20,000 Mbps
EBS baseline throughput2,500 MB/s2,500 MB/s
EBS max throughput2,500 MB/s2,500 MB/s
EBS baseline IOPS80,00080,000
EBS max IOPS80,00080,000
Max EBS volumes4848
Instance details1 of 10 differr7i.16xlarger8i.16xlarge
Familyr7ir8i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor128128
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 r7i.16xlarge first. Linux, USD per hour.

Regionr7i.16xlarger8i.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$4.234$4.445▲ 5%
US East (Ohio)us-east-2$4.234$4.445▲ 5%
US West (Oregon)us-west-2$4.234$4.445▲ 5%
Asia Pacific (Malaysia)ap-southeast-5$4.341$4.558▲ 5%
Asia Pacific (Hyderabad)ap-south-2$4.368$4.587▲ 5%
Asia Pacific (Mumbai)ap-south-1$4.368$4.587▲ 5%
EU (Stockholm)eu-north-1$4.502$4.728▲ 5%
Canada (Central)ca-central-1$4.637$4.869▲ 5%
US West (N. California)us-west-1$4.704$4.939▲ 5%
EU (Ireland)eu-west-1$4.738$4.974▲ 5%
Europe (Spain)eu-south-2$4.738$4.974▲ 5%
EU (London)eu-west-2$4.973$5.221▲ 5%
EU (Milan)eu-south-1$4.973$5.221▲ 5%
EU (Paris)eu-west-3$4.973$5.221▲ 5%
Asia Pacific (Sydney)ap-southeast-2$5.074$5.327▲ 5%
AWS GovCloud (US-East)us-gov-east-1$5.074$5.327▲ 5%
AWS GovCloud (US-West)us-gov-west-1$5.074$5.327▲ 5%
Asia Pacific (Seoul)ap-northeast-2$5.107$5.363▲ 5%
Asia Pacific (Singapore)ap-southeast-1$5.107$5.363▲ 5%
Asia Pacific (Tokyo)ap-northeast-1$5.107$5.363▲ 5%
EU (Frankfurt)eu-central-1$5.107$5.363▲ 5%
Asia Pacific (New Zealand)ap-southeast-6$5.327$5.594▲ 5%
South America (Sao Paulo)sa-east-1$6.754$7.091▲ 5%

Keep exploring

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

r7i.16xlargeMemory optimized, r7i family
r7i.16xlarge prices and specsEvery size in the r7i family

Compare r7i.16xlarge with

c7i.16xlargem7i.16xlarger7g.16xlarger7a.16xlarger7iz.16xlarger6i.16xlarge
r8i.16xlargeMemory optimized, r8i family
r8i.16xlarge prices and specsEvery size in the r8i family

Compare r8i.16xlarge with

c8i.16xlargem8i.16xlarger8g.16xlarger8i-flex.16xlarger8a.16xlarger8ib.16xlarger8id.16xlarger8idb.16xlarger8idn.16xlarger8in.16xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 48–55% 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.