c8ib.16xlargevsm8ib.16xlarge

c8ib.16xlarge is 19% cheaper than m8ib.16xlarge on demand in US East (N. Virginia), saving $724.16 a month.

At a glancec8ib.16xlargem8ib.16xlarge
On-demand$4.355/hr19% less$5.347/hr
Lowest rate$1.363/hr18% lessSpot, can be interrupted$1.669/hrSpot, can be interrupted
Size64 vCPUs, 128 GiB64 vCPUs, 256 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.16xlargem8ib.16xlargem8ib.16xlarge vs c8ib.16xlarge
On-demandPay by the hour$4.355$5.347▲ 23%
SpotCan be interrupted69% off$1.36369% off$1.669▲ 22%
1-yr savings planHourly commitment28% off$3.15527% off$3.901▲ 24%
3-yr savings planHourly commitment58% off$1.82156% off$2.368▲ 30%

Key differences

The biggest lead each one has.

Where c8ib.16xlarge leads
On-demand price$4.355 vs $5.347 per hour
19% cheaper
Where m8ib.16xlarge leads
Memory (GiB)256 vs 128
2× higher

Specs

5 of 40 specs differ. Those are in bold.

ComputeAll 10 matchc8ib.16xlargem8ib.16xlarge
vCPUs6464
Physical cores3232
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.16xlargem8ib.16xlarge
Memory (GiB)128256
Networking1 of 8 differc8ib.16xlargem8ib.16xlarge
Network66.667 Gigabit66.66 Gigabit
Network baseline66.666 Gbps66.666 Gbps
Network peak66.666 Gbps66.666 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces1616
IPv4 addresses per interface6464
StorageAll 11 matchc8ib.16xlargem8ib.16xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput50000 Mbps50000 Mbps
EBS baseline bandwidth50,000 Mbps50,000 Mbps
EBS max bandwidth50,000 Mbps50,000 Mbps
EBS baseline throughput6,250 MB/s6,250 MB/s
EBS max throughput6,250 MB/s6,250 MB/s
EBS baseline IOPS240,000240,000
EBS max IOPS240,000240,000
Max EBS volumes4848
Instance details3 of 10 differc8ib.16xlargem8ib.16xlarge
Familyc8ibm8ib
CategoryCompute optimizedGeneral purpose
Current generationYesYes
Normalization factor128128
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.16xlarge first. Linux, USD per hour.

Regionc8ib.16xlargem8ib.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$4.355$5.347▲ 23%
US West (Oregon)us-west-2$4.355$5.347▲ 23%

Keep exploring

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

c8ib.16xlargeCompute optimized, c8ib family
c8ib.16xlarge prices and specsEvery size in the c8ib family

Compare c8ib.16xlarge with

c8gb.16xlargec8i.16xlarger8ib.16xlarge
m8ib.16xlargeGeneral purpose, m8ib family
m8ib.16xlarge prices and specsEvery size in the m8ib family

Compare m8ib.16xlarge with

m8i.16xlarger8ib.16xlargem8gb.16xlarge

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.

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