r6idn.4xlargevsr8idn.4xlarge

r6idn.4xlarge is 17% cheaper than r8idn.4xlarge on demand in US East (N. Virginia), saving $228.27 a month.

At a glancer6idn.4xlarger8idn.4xlarge
On-demand$1.563/hr17% less$1.876/hr
Lowest rate$0.6446/hr35% lessSpot, can be interrupted$0.9855/hrSpot, can be interrupted
Size16 vCPUs, 128 GiB16 vCPUs, 128 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.4xlarger8idn.4xlarger8idn.4xlarge vs r6idn.4xlarge
On-demandPay by the hour$1.563$1.876▲ 20%
SpotCan be interrupted59% off$0.644647% off$0.9855▲ 53%
1-yr reservedNo upfront37% off$0.9848——
3-yr reservedNo upfront59% off$0.6364——
1-yr savings planHourly commitment28% off$1.13328% off$1.359▲ 20%
3-yr savings planHourly commitment53% off$0.730853% off$0.877▲ 20%

Key differences

The biggest lead each one has.

Where r6idn.4xlarge leads
On-demand price$1.563 vs $1.876 per hour
17% cheaper
EBS baseline bandwidth12,500 Mbps vs 5,000 Mbps
2.5× higher
Where r8idn.4xlarge leads
IPv4 addresses per interface50 vs 30
67% higher
Max EBS volumes32 vs 26
23% higher
Clock speed3.9 GHz vs 3.5 GHz
11% higher

Specs

15 of 41 specs differ. Those are in bold.

Compute4 of 10 differr6idn.4xlarger8idn.4xlarge
vCPUs1616
Physical cores88
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.4xlarger8idn.4xlarge
Memory (GiB)128128
Networking2 of 8 differr6idn.4xlarger8idn.4xlarge
NetworkUp to 50000 MegabitUp to 50 Gigabit
Network baseline25 Gbps25 Gbps
Network peak50 Gbps50 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface3050
Storage8 of 12 differr6idn.4xlarger8idn.4xlarge
Storage1 x 950 NVMe SSD1 x 950 NVMe SSD
Local disks1 × 950 GB SSD1 × 950 GB SSD
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 25000 MbpsUp to 10000 Mbps
EBS baseline bandwidth12,500 Mbps5,000 Mbps
EBS max bandwidth25,000 Mbps10,000 Mbps
EBS baseline throughput1,562.5 MB/s625 MB/s
EBS max throughput3,125 MB/s1,250 MB/s
EBS baseline IOPS50,00020,000
EBS max IOPS100,00040,000
Max EBS volumes2632
Instance details1 of 10 differr6idn.4xlarger8idn.4xlarge
Familyr6idnr8idn
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor3232
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesYesYes
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for r6idn.4xlarge first. Linux, USD per hour.

Regionr6idn.4xlarger8idn.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.563$1.876▲ 20%
US East (Ohio)us-east-2$1.563$1.876▲ 20%
US West (Oregon)us-west-2$1.563$1.876▲ 20%
EU (Ireland)eu-west-1$1.741$2.089▲ 20%
EU (Frankfurt)eu-central-1$1.863$2.235▲ 20%
Asia Pacific (Tokyo)ap-northeast-1$1.90$2.28▲ 20%

Keep exploring

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

r6idn.4xlargeMemory optimized, r6idn family
r6idn.4xlarge prices and specsEvery size in the r6idn family

Compare r6idn.4xlarge with

r6i.4xlargem6idn.4xlarger5dn.4xlarge
r8idn.4xlargeMemory optimized, r8idn family
r8idn.4xlarge prices and specsEvery size in the r8idn family

Compare r8idn.4xlarge with

r8i.4xlargem8idn.4xlarge

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.