r7i.12xlargevsr7iz.12xlarge

r7i.12xlarge is 29% cheaper than r7iz.12xlarge on demand in US East (N. Virginia), saving $940.82 a month.

At a glancer7i.12xlarger7iz.12xlarge
On-demand$3.175/hr29% less$4.464/hr
Lowest rate$1.197/hrSpot, can be interrupted$0.9621/hr20% lessSpot, can be interrupted
Size48 vCPUs, 384 GiB48 vCPUs, 384 GiB
ProcessorIntel Xeon Scalable (Sapphire Rapids)Intel Xeon Scalable (Sapphire 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.12xlarger7iz.12xlarger7iz.12xlarge vs r7i.12xlarge
On-demandPay by the hour$3.175$4.464▲ 41%
SpotCan be interrupted62% off$1.19778% off$0.9621▼ 20%
1-yr reservedNo upfront34% off$2.1037% off$2.812▲ 34%
3-yr reservedNo upfront55% off$1.4459% off$1.842▲ 28%
1-yr savings planHourly commitment28% off$2.3027% off$3.244▲ 41%
3-yr savings planHourly commitment48% off$1.65653% off$2.116▲ 28%

Key differences

The biggest lead each one has.

Where r7i.12xlarge leads
On-demand price$3.175 vs $4.464 per hour
29% cheaper
Where r7iz.12xlarge leads
Network baseline25 Gbps vs 18.75 Gbps
33% higher
EBS baseline bandwidth19,000 Mbps vs 15,000 Mbps
27% higher
Clock speed3.9 GHz vs 3.2 GHz
22% higher

Specs

14 of 40 specs differ. Those are in bold.

Compute3 of 10 differr7i.12xlarger7iz.12xlarge
vCPUs4848
Physical cores2424
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Scalable (Sapphire Rapids)Intel Xeon Scalable (Sapphire 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 AMX; Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo
BurstableNoNo
MemoryAll 1 matchr7i.12xlarger7iz.12xlarge
Memory (GiB)384384
Networking3 of 8 differr7i.12xlarger7iz.12xlarge
Network18750 Megabit25000 Megabit
Network baseline18.75 Gbps25 Gbps
Network peak18.75 Gbps25 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface3030
Storage7 of 11 differr7i.12xlarger7iz.12xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput15000 Mbps19000 Mbps
EBS baseline bandwidth15,000 Mbps19,000 Mbps
EBS max bandwidth15,000 Mbps19,000 Mbps
EBS baseline throughput1,875 MB/s2,375 MB/s
EBS max throughput1,875 MB/s2,375 MB/s
EBS baseline IOPS60,00076,000
EBS max IOPS60,00076,000
Max EBS volumes3232
Instance details1 of 10 differr7i.12xlarger7iz.12xlarge
Familyr7ir7iz
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor9696
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.12xlarge first. Linux, USD per hour.

Regionr7i.12xlarger7iz.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$3.175$4.464▲ 41%
US East (Ohio)us-east-2$3.175$4.464▲ 41%
US West (Oregon)us-west-2$3.175$4.464▲ 41%
EU (Ireland)eu-west-1$3.553$4.992▲ 40%
Asia Pacific (Tokyo)ap-northeast-1$3.83$5.448▲ 42%
EU (Frankfurt)eu-central-1$3.83$5.40▲ 41%

Keep exploring

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

r7i.12xlargeMemory optimized, r7i family
r7i.12xlarge prices and specsEvery size in the r7i family

Compare r7i.12xlarge with

c7i.12xlargem7i.12xlarger7g.12xlarger7a.12xlarger6i.12xlarger8i.12xlarge
r7iz.12xlargeMemory optimized, r7iz family
r7iz.12xlarge prices and specsEvery size in the r7iz family

Pay the committed rate, with commitment protection

The best committed rate on these two is 55–59% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

Connect AWS account

AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.