c8ib.12xlargevsm8ib.12xlarge

c8ib.12xlarge is 19% cheaper than m8ib.12xlarge on demand in US East (N. Virginia), saving $543.12 a month.

At a glancec8ib.12xlargem8ib.12xlarge
On-demand$3.266/hr19% less$4.01/hr
Lowest rate$1.102/hr35% lessSpot, can be interrupted$1.70/hrSpot, can be interrupted
Size48 vCPUs, 96 GiB48 vCPUs, 192 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.

Optionc8ib.12xlargem8ib.12xlargem8ib.12xlarge vs c8ib.12xlarge
On-demandPay by the hour$3.266$4.01▲ 23%
SpotCan be interrupted66% off$1.10258% off$1.70▲ 54%
1-yr savings planHourly commitment28% off$2.36627% off$2.926▲ 24%
3-yr savings planHourly commitment58% off$1.36656% off$1.776▲ 30%

Key differences

The biggest lead each one has.

Where c8ib.12xlarge leads
On-demand price$3.266 vs $4.01 per hour
19% cheaper
Where m8ib.12xlarge leads
Memory (GiB)192 vs 96
2× higher

Specs

4 of 40 specs differ. Those are in bold.

ComputeAll 10 matchc8ib.12xlargem8ib.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
Memory1 of 1 differc8ib.12xlargem8ib.12xlarge
Memory (GiB)96192
NetworkingAll 8 matchc8ib.12xlargem8ib.12xlarge
Network50 Gigabit50 Gigabit
Network baseline50 Gbps50 Gbps
Network peak50 Gbps50 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces1212
IPv4 addresses per interface5050
StorageAll 11 matchc8ib.12xlargem8ib.12xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput37500 Mbps37500 Mbps
EBS baseline bandwidth37,500 Mbps37,500 Mbps
EBS max bandwidth37,500 Mbps37,500 Mbps
EBS baseline throughput4,687.5 MB/s4,687.5 MB/s
EBS max throughput4,687.5 MB/s4,687.5 MB/s
EBS baseline IOPS180,000180,000
EBS max IOPS180,000180,000
Max EBS volumes3232
Instance details3 of 10 differc8ib.12xlargem8ib.12xlarge
Familyc8ibm8ib
CategoryCompute optimizedGeneral purpose
Current generationYesYes
Normalization factor9696
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesNo
Nitro EnclavesYesYes
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for c8ib.12xlarge first. Linux, USD per hour.

Regionc8ib.12xlargem8ib.12xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$3.266$4.01▲ 23%
US West (Oregon)us-west-2$3.266$4.01▲ 23%

Keep exploring

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

c8ib.12xlargeCompute optimized, c8ib family
c8ib.12xlarge prices and specsEvery size in the c8ib family

Compare c8ib.12xlarge with

c8gb.12xlargec8i.12xlarger8ib.12xlarge
m8ib.12xlargeGeneral purpose, m8ib family
m8ib.12xlarge prices and specsEvery size in the m8ib family

Compare m8ib.12xlarge with

m8i.12xlarger8ib.12xlargem8gb.12xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 56–58% 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.