r5dn.12xlargevsr6idn.12xlarge

r5dn.12xlarge is 15% cheaper than r6idn.12xlarge on demand in US East (N. Virginia), saving $497.42 a month.

At a glancer5dn.12xlarger6idn.12xlarge
On-demand$4.008/hr15% less$4.689/hr
Lowest rate$0.9089/hr36% lessSpot, can be interrupted$1.41/hrSpot, can be interrupted
Size48 vCPUs, 384 GiB48 vCPUs, 384 GiB
ProcessorIntel Xeon Platinum 8259 (Cascade Lake)Intel 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.

Optionr5dn.12xlarger6idn.12xlarger6idn.12xlarge vs r5dn.12xlarge
On-demandPay by the hour$4.008$4.689▲ 17%
SpotCan be interrupted77% off$0.908970% off$1.41▲ 55%
1-yr reservedNo upfront37% off$2.52537% off$2.954▲ 17%
3-yr reservedNo upfront59% off$1.63259% off$1.909▲ 17%
1-yr savings planHourly commitment28% off$2.90428% off$3.397▲ 17%
3-yr savings planHourly commitment53% off$1.87453% off$2.192▲ 17%

Key differences

The biggest lead each one has.

Where r5dn.12xlarge leads
On-demand price$4.008 vs $4.689 per hour
15% cheaper
Where r6idn.12xlarge leads
EBS baseline bandwidth37,500 Mbps vs 9,500 Mbps
3.9× higher
Network baseline75 Gbps vs 50 Gbps
50% higher
Clock speed3.5 GHz vs 3.1 GHz
13% higher

Specs

17 of 41 specs differ. Those are in bold.

Compute4 of 10 differr5dn.12xlarger6idn.12xlarge
vCPUs4848
Physical cores2424
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Platinum 8259 (Cascade Lake)Intel Xeon 8375C (Ice Lake)
CPU makerIntelIntel
Clock speed3.1 GHz3.5 GHz
Sustained clock3.1 GHz3.5 GHz
Processor features–Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo
BurstableNoNo
MemoryAll 1 matchr5dn.12xlarger6idn.12xlarge
Memory (GiB)384384
Networking3 of 8 differr5dn.12xlarger6idn.12xlarge
Network50 Gigabit75000 Megabit
Network baseline50 Gbps75 Gbps
Network peak50 Gbps75 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface3030
Storage9 of 12 differr5dn.12xlarger6idn.12xlarge
Storage2 x 900 GB NVMe SSD2 x 1425 NVMe SSD
Local disks2 × 900 GB SSD2 × 1,425 GB SSD
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput6000 Mbps37500 Mbps
EBS baseline bandwidth9,500 Mbps37,500 Mbps
EBS max bandwidth9,500 Mbps37,500 Mbps
EBS baseline throughput1,187.5 MB/s4,687.5 MB/s
EBS max throughput1,187.5 MB/s4,687.5 MB/s
EBS baseline IOPS40,000150,000
EBS max IOPS40,000150,000
Max EBS volumes2525
Instance details1 of 10 differr5dn.12xlarger6idn.12xlarge
Familyr5dnr6idn
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 r5dn.12xlarge first. Linux, USD per hour.

Regionr5dn.12xlarger6idn.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$4.008$4.689▲ 17%
US East (Ohio)us-east-2$4.008$4.689▲ 17%
US West (Oregon)us-west-2$4.008$4.689▲ 17%
EU (Stockholm)eu-north-1$4.248$4.97▲ 17%
EU (Ireland)eu-west-1$4.464$5.223▲ 17%
EU (Paris)eu-west-3$4.704$5.504▲ 17%
EU (Frankfurt)eu-central-1$4.776$5.588▲ 17%
Asia Pacific (Singapore)ap-southeast-1$4.80$5.616▲ 17%
AWS GovCloud (US-West)us-gov-west-1$4.824$5.644▲ 17%
Asia Pacific (Tokyo)ap-northeast-1$4.872$5.70▲ 17%
Asia Pacific (Sydney)ap-southeast-2$4.896$5.728▲ 17%

Keep exploring

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

r5dn.12xlargeMemory optimized, r5dn family
r5dn.12xlarge prices and specsEvery size in the r5dn family

Compare r5dn.12xlarge with

r6idn.12xlargeMemory optimized, r6idn family
r6idn.12xlarge prices and specsEvery size in the r6idn family

Compare r6idn.12xlarge with

Pay the committed rate, with commitment protection

The best committed rate on these two is 59% 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.