r6idn.12xlargevsr8idn.12xlarge

r6idn.12xlarge is 17% cheaper than r8idn.12xlarge on demand in US East (N. Virginia), saving $684.67 a month.

At a glancer6idn.12xlarger8idn.12xlarge
On-demand$4.689/hr17% less$5.627/hr
Lowest rate$1.41/hr36% lessSpot, can be interrupted$2.212/hrSpot, can be interrupted
Size48 vCPUs, 384 GiB48 vCPUs, 384 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.12xlarger8idn.12xlarger8idn.12xlarge vs r6idn.12xlarge
On-demandPay by the hour$4.689$5.627▲ 20%
SpotCan be interrupted70% off$1.4161% off$2.212▲ 57%
1-yr reservedNo upfront37% off$2.954——
3-yr reservedNo upfront59% off$1.909——
1-yr savings planHourly commitment28% off$3.39728% off$4.077▲ 20%
3-yr savings planHourly commitment53% off$2.19253% off$2.631▲ 20%

Key differences

The biggest lead each one has.

Where r6idn.12xlarge leads
On-demand price$4.689 vs $5.627 per hour
17% cheaper
EBS baseline bandwidth37,500 Mbps vs 15,000 Mbps
2.5× higher
Where r8idn.12xlarge leads
IPv4 addresses per interface50 vs 30
67% higher
Max EBS volumes32 vs 25
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.12xlarger8idn.12xlarge
vCPUs4848
Physical cores2424
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.12xlarger8idn.12xlarge
Memory (GiB)384384
Networking3 of 8 differr6idn.12xlarger8idn.12xlarge
Network75000 Megabit75 Gigabit
Network baseline75 Gbps75 Gbps
Network peak75 Gbps75 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces812
IPv4 addresses per interface3050
Storage10 of 12 differr6idn.12xlarger8idn.12xlarge
Storage2 x 1425 NVMe SSD1 x 2850 NVMe SSD
Local disks2 × 1,425 GB SSD1 × 2,850 GB SSD
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput37500 Mbps15000 Mbps
EBS baseline bandwidth37,500 Mbps15,000 Mbps
EBS max bandwidth37,500 Mbps15,000 Mbps
EBS baseline throughput4,687.5 MB/s1,875 MB/s
EBS max throughput4,687.5 MB/s1,875 MB/s
EBS baseline IOPS150,00060,000
EBS max IOPS150,00060,000
Max EBS volumes2532
Instance details1 of 10 differr6idn.12xlarger8idn.12xlarge
Familyr6idnr8idn
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 r6idn.12xlarge first. Linux, USD per hour.

Regionr6idn.12xlarger8idn.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$4.689$5.627▲ 20%
US East (Ohio)us-east-2$4.689$5.627▲ 20%
US West (Oregon)us-west-2$4.689$5.627▲ 20%
EU (Ireland)eu-west-1$5.223$6.267▲ 20%
EU (Frankfurt)eu-central-1$5.588$6.706▲ 20%
Asia Pacific (Tokyo)ap-northeast-1$5.70$6.84▲ 20%

Keep exploring

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

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

Compare r6idn.12xlarge with

r6i.12xlargem6idn.12xlarger5dn.12xlarge
r8idn.12xlargeMemory optimized, r8idn family
r8idn.12xlarge prices and specsEvery size in the r8idn family

Compare r8idn.12xlarge with

r8i.12xlargem8idn.12xlarge

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.

Connect AWS account

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