c8i.12xlargevsc8ib.12xlarge

c8i.12xlarge is 31% cheaper than c8ib.12xlarge on demand in US East (N. Virginia), saving $742.34 a month.

At a glancec8i.12xlargec8ib.12xlarge
On-demand$2.249/hr31% less$3.266/hr
Lowest rate$0.6702/hr39% lessSpot, can be interrupted$1.102/hrSpot, can be interrupted
Size48 vCPUs, 96 GiB48 vCPUs, 96 GiB
ProcessorIntel Xeon Scalable (Granite Rapids)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.

Optionc8i.12xlargec8ib.12xlargec8ib.12xlarge vs c8i.12xlarge
On-demandPay by the hour$2.249$3.266▲ 45%
SpotCan be interrupted70% off$0.670266% off$1.102▲ 64%
1-yr savings planHourly commitment28% off$1.62528% off$2.366▲ 46%
3-yr savings planHourly commitment52% off$1.08658% off$1.366▲ 26%

Key differences

The biggest lead each one has.

Where c8i.12xlarge leads
On-demand price$2.249 vs $3.266 per hour
31% cheaper
Where c8ib.12xlarge leads
EBS baseline IOPS180,000 vs 60,000
3× higher
Network baseline50 Gbps vs 22.5 Gbps
2.2× higher

Specs

11 of 40 specs differ. Those are in bold.

ComputeAll 10 matchc8i.12xlargec8ib.12xlarge
vCPUs4848
Physical cores2424
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Scalable (Granite Rapids)Intel Xeon Scalable (Granite Rapids)
CPU makerIntelIntel
Clock speed3.9 GHz3.9 GHz
Sustained clock3.9 GHz3.9 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMXIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNoNo
MemoryAll 1 matchc8i.12xlargec8ib.12xlarge
Memory (GiB)9696
Networking3 of 8 differc8i.12xlargec8ib.12xlarge
Network22500 Megabit50 Gigabit
Network baseline22.5 Gbps50 Gbps
Network peak22.5 Gbps50 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces1212
IPv4 addresses per interface5050
Storage7 of 11 differc8i.12xlargec8ib.12xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput15000 Mbps37500 Mbps
EBS baseline bandwidth15,000 Mbps37,500 Mbps
EBS max bandwidth15,000 Mbps37,500 Mbps
EBS baseline throughput1,875 MB/s4,687.5 MB/s
EBS max throughput1,875 MB/s4,687.5 MB/s
EBS baseline IOPS60,000180,000
EBS max IOPS60,000180,000
Max EBS volumes3232
Instance details1 of 10 differc8i.12xlargec8ib.12xlarge
Familyc8ic8ib
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor9696
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 c8i.12xlarge first. Linux, USD per hour.

Regionc8i.12xlargec8ib.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.249$3.266▲ 45%
US West (Oregon)us-west-2$2.249$3.266▲ 45%

Keep exploring

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

c8i.12xlargeCompute optimized, c8i family
c8i.12xlarge prices and specsEvery size in the c8i family

Compare c8i.12xlarge with

c8g.12xlargec8i-flex.12xlargem8i.12xlarger8i.12xlargec8a.12xlargec8id.12xlargec8in.12xlargec8ine.12xlargec7i.12xlarge
c8ib.12xlargeCompute optimized, c8ib family
c8ib.12xlarge prices and specsEvery size in the c8ib family

Compare c8ib.12xlarge with

c8gb.12xlargem8ib.12xlarger8ib.12xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 52–58% 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.