r5dn.16xlargevsr6idn.16xlarge

r5dn.16xlarge is 15% cheaper than r6idn.16xlarge on demand in US East (N. Virginia), saving $663.21 a month.

At a glancer5dn.16xlarger6idn.16xlarge
On-demand$5.344/hr15% less$6.253/hr
Lowest rate$1.172/hr15% lessSpot, can be interrupted$1.375/hrSpot, can be interrupted
Size64 vCPUs, 512 GiB64 vCPUs, 512 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.16xlarger6idn.16xlarger6idn.16xlarge vs r5dn.16xlarge
On-demandPay by the hour$5.344$6.253▲ 17%
SpotCan be interrupted78% off$1.17278% off$1.375▲ 17%
1-yr reservedNo upfront37% off$3.36737% off$3.939▲ 17%
3-yr reservedNo upfront59% off$2.17659% off$2.546▲ 17%
1-yr savings planHourly commitment28% off$3.87228% off$4.53▲ 17%
3-yr savings planHourly commitment53% off$2.49953% off$2.923▲ 17%

Key differences

The biggest lead each one has.

Where r5dn.16xlarge leads
On-demand price$5.344 vs $6.253 per hour
15% cheaper
Where r6idn.16xlarge leads
EBS baseline bandwidth50,000 Mbps vs 13,600 Mbps
3.7× higher
Network baseline100 Gbps vs 75 Gbps
33% higher
Clock speed3.5 GHz vs 3.1 GHz
13% higher

Specs

18 of 41 specs differ. Those are in bold.

Compute4 of 10 differr5dn.16xlarger6idn.16xlarge
vCPUs6464
Physical cores3232
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.16xlarger6idn.16xlarge
Memory (GiB)512512
Networking3 of 8 differr5dn.16xlarger6idn.16xlarge
Network75 Gigabit100000 Megabit
Network baseline75 Gbps100 Gbps
Network peak75 Gbps100 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces1515
IPv4 addresses per interface5050
Storage10 of 12 differr5dn.16xlarger6idn.16xlarge
Storage4 x 600 NVMe SSD2 x 1900 NVMe SSD
Local disks4 × 600 GB SSD2 × 1,900 GB SSD
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput10000 Mbps50000 Mbps
EBS baseline bandwidth13,600 Mbps50,000 Mbps
EBS max bandwidth13,600 Mbps50,000 Mbps
EBS baseline throughput1,700 MB/s6,250 MB/s
EBS max throughput1,700 MB/s6,250 MB/s
EBS baseline IOPS60,000200,000
EBS max IOPS60,000200,000
Max EBS volumes2325
Instance details1 of 10 differr5dn.16xlarger6idn.16xlarge
Familyr5dnr6idn
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 r5dn.16xlarge first. Linux, USD per hour.

Regionr5dn.16xlarger6idn.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$5.344$6.253▲ 17%
US East (Ohio)us-east-2$5.344$6.253▲ 17%
US West (Oregon)us-west-2$5.344$6.253▲ 17%
EU (Stockholm)eu-north-1$5.664$6.627▲ 17%
EU (Ireland)eu-west-1$5.952$6.964▲ 17%
EU (Paris)eu-west-3$6.272$7.338▲ 17%
EU (Frankfurt)eu-central-1$6.368$7.451▲ 17%
Asia Pacific (Singapore)ap-southeast-1$6.40$7.488▲ 17%
AWS GovCloud (US-West)us-gov-west-1$6.432$7.525▲ 17%
Asia Pacific (Tokyo)ap-northeast-1$6.496$7.60▲ 17%
Asia Pacific (Sydney)ap-southeast-2$6.528$7.638▲ 17%

Keep exploring

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

r5dn.16xlargeMemory optimized, r5dn family
r5dn.16xlarge prices and specsEvery size in the r5dn family

Compare r5dn.16xlarge with

r5.16xlargem5dn.16xlarge
r6idn.16xlargeMemory optimized, r6idn family
r6idn.16xlarge prices and specsEvery size in the r6idn family

Compare r6idn.16xlarge with

r6i.16xlargem6idn.16xlarger8idn.16xlarge

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.