c8i-flex.12xlarge

c8i-flex.12xlarge is an AWS EC2 instance with 48 vCPUs, 96 GiB memory (Intel Xeon Scalable (Granite Rapids)). In US East (N. Virginia) it costs $2.136 per hour on demand ($1,559.65 per month) for Linux. Spot capacity is about $0.5828 per hour. It is sold in 20 regions; the cheapest is Asia Pacific (Malaysia) at $2.094 per hour.

Prices by region

USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.

RegionOn-demandSpot1-yr savings plan3-yr savings plan
Asia Pacific (Malaysia) ap-southeast-5$2.094$0.6168$1.589$1.085
Asia Pacific (Mumbai) ap-south-1$2.136$0.7066$1.628$1.113
Asia Pacific (Hyderabad) ap-south-2$2.136$0.2136$1.661$1.109
US East (N. Virginia) us-east-1$2.136$0.5828$1.544$1.032
US East (Ohio) us-east-2$2.136$0.5726$1.544$1.032
US West (Oregon) us-west-2$2.136$0.6688$1.544$1.032
Europe (Spain) eu-south-2$2.292$0.2561$1.752$1.198
EU (Ireland) eu-west-1$2.292$1.011$1.752$1.198
Canada (Central) ca-central-1$2.338$0.4408$1.774$1.127
Asia Pacific (Seoul) ap-northeast-2$2.413$0.3207$1.837$1.26
EU (Frankfurt) eu-central-1$2.438$0.9556$1.856$1.265
Asia Pacific (Singapore) ap-southeast-1$2.464$0.7783$1.87$1.276
EU (London) eu-west-2$2.539$0.7417$1.921$1.322
EU (Paris) eu-west-3$2.539$0.2758$1.935$1.325
US West (N. California) us-west-1$2.664$0.5641$2.033$1.401
Asia Pacific (Tokyo) ap-northeast-1$2.69$0.756$2.042$1.40
Asia Pacific (Sydney) ap-southeast-2$2.79$0.8082$2.046$1.439
Africa (Cape Town) af-south-1$2.866$0.6266$2.27$1.578
Asia Pacific (New Zealand) ap-southeast-6$2.93–$2.148$1.511
South America (Sao Paulo) sa-east-1$3.293$0.4184$2.507$1.708
Reserved and Savings PlansSpot prices by regionWindows prices by regionAzure equivalents

Prices by operating system in US East (N. Virginia)

Operating systemOn-demand /hr1-yr reserved /hr3-yr reserved /hr
Linux$2.136––
Ubuntu Pro$2.22––
SUSE$2.261––
RHEL$2.655––
Linux SQL Web$2.948––
RHEL HA$3.327––
RHEL SQL Web$3.466––
Windows$4.234––
Windows SQL Web$5.045––
Linux SQL Std$7.896––
RHEL SQL Std$8.415––
RHEL HA SQL Std$9.087––
Windows SQL Std$9.994––
Linux SQL Ent$20.137––
RHEL SQL Ent$20.655––
RHEL HA SQL Ent$21.327––
Windows SQL Ent$22.234––

Specs

ComputeValue
vCPUs48
Physical cores24
Threads per core2
Architecturex86_64
ProcessorIntel Xeon Scalable (Granite Rapids)
CPU makerIntel
Clock speed3.9 GHz
Sustained clock3.9 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNo
MemoryValue
Memory (GiB)96
NetworkingValue
NetworkUp to 22.5 Gbps
Network baseline11.25 Gbps
Network peak22.5 Gbps
Enhanced networkingYes (ENA)
EFANo
IPv6Yes
Max network interfaces12
IPv4 addresses per interface50
StorageValue
StorageEBS only
EBS optimizedYes
EBS over NVMeRequired
EBS throughputUp to 15000 Mbps
EBS baseline bandwidth7,500 Mbps
EBS max bandwidth15,000 Mbps
EBS baseline throughput937.5 MB/s
EBS max throughput1,875 MB/s
EBS baseline IOPS30,000
EBS max IOPS60,000
Max EBS volumes32
Instance detailsValue
Instance typec8i-flex.12xlarge
Familyc8i-flex
CategoryCompute optimized
Current generationYes
Normalization factor96
Bare metalNo
HypervisorNitro
Placement groupsPartition, Spread
HibernationYes
Nitro EnclavesNo
Boot modesLegacy BIOS, UEFI

Compare c8i-flex.12xlarge

With or without local disk and networking

vs c8i.12xlarge

Compute and memory optimized

vs m8i-flex.12xlargevs r8i-flex.12xlarge

Other generations

vs c7i-flex.12xlarge

Other c8i-flex sizes

SizevCPUsMemory (GiB)On-demand /hr
c8i-flex.large24$0.089
c8i-flex.xlarge48$0.178
c8i-flex.2xlarge816$0.3561
c8i-flex.4xlarge1632$0.7122
c8i-flex.8xlarge3264$1.424
c8i-flex.12xlarge4896$2.136
c8i-flex.16xlarge64128$2.849

Prices updated 2026-11-12 from AWS public price lists. Compare all AWS EC2 instances.