c8a.largevsc8g.large

c8g.large is 26% cheaper than c8a.large on demand in US East (N. Virginia), saving $20.44 a month. They use different processor architectures (x86_64 and arm64), so software built for one may need rebuilding to run on the other.

At a glancec8a.largec8g.large
On-demand$0.1078/hr$0.0798/hr26% less
Lowest rate$0.0335/hrSpot, can be interrupted$0.0261/hr22% lessSpot, can be interrupted
Size2 vCPUs, 4 GiB2 vCPUs, 4 GiB
ProcessorAMD EPYC 9R45 ProcessorAWS Graviton4 Processor
Architecturex86_64arm64

Prices in US East (N. Virginia)

“Off” is the discount against each type’s own on-demand price. Linux, USD per hour.

Optionc8a.largec8g.largec8g.large vs c8a.large
On-demandPay by the hour$0.1078$0.0798▼ 26%
SpotCan be interrupted69% off$0.033567% off$0.0261▼ 22%
1-yr reservedNo upfront—34% off$0.0526—
3-yr reservedNo upfront—56% off$0.0351—
1-yr savings planHourly commitment28% off$0.077928% off$0.0572▼ 27%
3-yr savings planHourly commitment52% off$0.05252% off$0.0386▼ 26%

Key differences

The biggest lead each one has.

Where c8a.large leads
IPv4 addresses per interface20 vs 10
2× higher
Clock speedUp to 4.5 GHz vs 2.7 GHz
67% higher
EBS baseline bandwidth650 Mbps vs 630 Mbps
3% higher
Where c8g.large leads
On-demand price$0.0798 vs $0.1078 per hour
26% cheaper

Specs

13 of 40 specs differ. Those are in bold.

Compute6 of 10 differc8a.largec8g.large
vCPUs22
Physical cores22
Threads per core11
Architecturex86_64arm64
ProcessorAMD EPYC 9R45 ProcessorAWS Graviton4 Processor
CPU makerAMDAWS
Clock speedUp to 4.5 GHz2.7 GHz
Sustained clock4.5 GHz2.8 GHz
Processor featuresAMD Turbo; AVX; AVX2; AVX512–
BurstableNoNo
MemoryAll 1 matchc8a.largec8g.large
Memory (GiB)44
Networking2 of 8 differc8a.largec8g.large
NetworkUp to 15000 MegabitUp to 12.5 Gigabit
Network baseline0.937 Gbps0.937 Gbps
Network peak12.5 Gbps12.5 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces33
IPv4 addresses per interface2010
Storage3 of 11 differc8a.largec8g.large
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 10000 MbpsUp to 10 Gbps
EBS baseline bandwidth650 Mbps630 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput81.25 MB/s78.75 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS3,6003,600
EBS max IOPS40,00040,000
Max EBS volumes3232
Instance details2 of 10 differc8a.largec8g.large
Familyc8ac8g
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor44
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesYesYes
Boot modesLegacy BIOS, UEFIUEFI

On-demand prices by region

Cheapest for c8a.large first. Linux, USD per hour.

Regionc8a.largec8g.largeDifference
US East (N. Virginia)Used in summaryus-east-1$0.1078$0.0798▼ 26%
US East (Ohio)us-east-2$0.1078$0.0795▼ 26%
US West (Oregon)us-west-2$0.1078$0.0798▼ 26%
EU (Ireland)eu-west-1$0.1156$0.0853▼ 26%
Europe (Spain)eu-south-2$0.1156$0.0853▼ 26%
EU (Frankfurt)eu-central-1$0.123$0.0907▼ 26%
Asia Pacific (Tokyo)ap-northeast-1$0.1357$0.1001▼ 26%

Keep exploring

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

c8a.largeCompute optimized, c8a family
c8a.large prices and specsEvery size in the c8a family

Compare c8a.large with

c8i.larger8a.largem8a.largec7a.large
c8g.largeCompute optimized, c8g family
c8g.large prices and specsEvery size in the c8g family

Compare c8g.large with

c8gb.largec8gn.largec8i.largem8g.larger8g.largec8gd.largec7g.largec9g.large

Pay the committed rate, with commitment protection

The best committed rate on these two is 52–56% 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.