c8ib.4xlargevsr8ib.4xlarge

c8ib.4xlarge is 35% cheaper than r8ib.4xlarge on demand in US East (N. Virginia), saving $427.05 a month.

At a glancec8ib.4xlarger8ib.4xlarge
On-demand$1.089/hr35% less$1.674/hr
Lowest rate$0.4552/hr42% less3-yr savings plan, hourly commitment$0.7808/hr3-yr savings plan, hourly commitment
Size16 vCPUs, 32 GiB16 vCPUs, 128 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.4xlarger8ib.4xlarger8ib.4xlarge vs c8ib.4xlarge
On-demandPay by the hour$1.089$1.674▲ 54%
SpotCan be interrupted53% off$0.507746% off$0.9002▲ 77%
1-yr savings planHourly commitment28% off$0.788728% off$1.212▲ 54%
3-yr savings planHourly commitment58% off$0.455253% off$0.7808▲ 72%

Key differences

The biggest lead each one has.

Where c8ib.4xlarge leads
On-demand price$1.089 vs $1.674 per hour
35% cheaper
Where r8ib.4xlarge leads
Memory (GiB)128 vs 32
4× higher

Specs

4 of 40 specs differ. Those are in bold.

ComputeAll 10 matchc8ib.4xlarger8ib.4xlarge
vCPUs1616
Physical cores88
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.4xlarger8ib.4xlarge
Memory (GiB)32128
Networking1 of 8 differc8ib.4xlarger8ib.4xlarge
NetworkUp to 33.333 GigabitUp to 33.33 Gigabit
Network baseline16.666 Gbps16.666 Gbps
Network peak33.333 Gbps33.333 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface5050
StorageAll 11 matchc8ib.4xlarger8ib.4xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 25000 MbpsUp to 25000 Mbps
EBS baseline bandwidth12,500 Mbps12,500 Mbps
EBS max bandwidth25,000 Mbps25,000 Mbps
EBS baseline throughput1,562.5 MB/s1,562.5 MB/s
EBS max throughput3,125 MB/s3,125 MB/s
EBS baseline IOPS60,00060,000
EBS max IOPS120,000120,000
Max EBS volumes3232
Instance details2 of 10 differc8ib.4xlarger8ib.4xlarge
Familyc8ibr8ib
CategoryCompute 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 c8ib.4xlarge first. Linux, USD per hour.

Regionc8ib.4xlarger8ib.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.089$1.674▲ 54%
US West (Oregon)us-west-2$1.089$1.674▲ 54%

Keep exploring

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

c8ib.4xlargeCompute optimized, c8ib family
c8ib.4xlarge prices and specsEvery size in the c8ib family

Compare c8ib.4xlarge with

c8gb.4xlargec8i.4xlargem8ib.4xlarge
r8ib.4xlargeMemory optimized, r8ib family
r8ib.4xlarge prices and specsEvery size in the r8ib family

Compare r8ib.4xlarge with

r8i.4xlargem8ib.4xlarger8gb.4xlarger5b.4xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 53–58% 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.