r6idn.16xlargevsr8idn.16xlarge

r6idn.16xlarge is 17% cheaper than r8idn.16xlarge on demand in US East (N. Virginia), saving $912.86 a month.

At a glancer6idn.16xlarger8idn.16xlarge
On-demand$6.253/hr17% less$7.503/hr
Lowest rate$1.375/hr53% lessSpot, can be interrupted$2.943/hrSpot, can be interrupted
Size64 vCPUs, 512 GiB64 vCPUs, 512 GiB
ProcessorIntel Xeon 8375C (Ice Lake)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.

Optionr6idn.16xlarger8idn.16xlarger8idn.16xlarge vs r6idn.16xlarge
On-demandPay by the hour$6.253$7.503▲ 20%
SpotCan be interrupted78% off$1.37561% off$2.943▲ 114%
1-yr reservedNo upfront37% off$3.939——
3-yr reservedNo upfront59% off$2.546——
1-yr savings planHourly commitment28% off$4.5328% off$5.436▲ 20%
3-yr savings planHourly commitment53% off$2.92353% off$3.508▲ 20%

Key differences

The biggest lead each one has.

Where r6idn.16xlarge leads
On-demand price$6.253 vs $7.503 per hour
17% cheaper
EBS baseline bandwidth50,000 Mbps vs 20,000 Mbps
2.5× higher
Where r8idn.16xlarge leads
Max EBS volumes48 vs 25
92% higher
IPv4 addresses per interface64 vs 50
28% higher
Clock speed3.9 GHz vs 3.5 GHz
11% higher

Specs

18 of 41 specs differ. Those are in bold.

Compute4 of 10 differr6idn.16xlarger8idn.16xlarge
vCPUs6464
Physical cores3232
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon 8375C (Ice Lake)Intel Xeon Scalable (Granite Rapids)
CPU makerIntelIntel
Clock speed3.5 GHz3.9 GHz
Sustained clock3.5 GHz3.9 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel TurboIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNoNo
MemoryAll 1 matchr6idn.16xlarger8idn.16xlarge
Memory (GiB)512512
Networking3 of 8 differr6idn.16xlarger8idn.16xlarge
Network100000 Megabit100 Gigabit
Network baseline100 Gbps100 Gbps
Network peak100 Gbps100 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces1516
IPv4 addresses per interface5064
Storage10 of 12 differr6idn.16xlarger8idn.16xlarge
Storage2 x 1900 NVMe SSD1 x 3800 NVMe SSD
Local disks2 × 1,900 GB SSD1 × 3,800 GB SSD
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput50000 Mbps20000 Mbps
EBS baseline bandwidth50,000 Mbps20,000 Mbps
EBS max bandwidth50,000 Mbps20,000 Mbps
EBS baseline throughput6,250 MB/s2,500 MB/s
EBS max throughput6,250 MB/s2,500 MB/s
EBS baseline IOPS200,00080,000
EBS max IOPS200,00080,000
Max EBS volumes2548
Instance details1 of 10 differr6idn.16xlarger8idn.16xlarge
Familyr6idnr8idn
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 r6idn.16xlarge first. Linux, USD per hour.

Regionr6idn.16xlarger8idn.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$6.253$7.503▲ 20%
US East (Ohio)us-east-2$6.253$7.503▲ 20%
US West (Oregon)us-west-2$6.253$7.503▲ 20%
EU (Ireland)eu-west-1$6.964$8.357▲ 20%
EU (Frankfurt)eu-central-1$7.451$8.941▲ 20%
Asia Pacific (Tokyo)ap-northeast-1$7.60$9.12▲ 20%

Keep exploring

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

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

Compare r6idn.16xlarge with

r6i.16xlargem6idn.16xlarger5dn.16xlarge
r8idn.16xlargeMemory optimized, r8idn family
r8idn.16xlarge prices and specsEvery size in the r8idn family

Compare r8idn.16xlarge with

r8i.16xlargem8idn.16xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 53–59% 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.