c6a.metalvsc6i.metal

c6i.metal is 26% cheaper than c6a.metal on demand in US East (N. Virginia), saving $1,389.92 a month. Per vCPU, c6a.metal costs 10% less.

At a glancec6a.metalc6i.metal
On-demand$7.344/hr$5.44/hr26% less
Lowest rate$2.03/hrSpot, can be interrupted$1.26/hr38% lessSpot, can be interrupted
Size192 vCPUs, 384 GiB128 vCPUs, 256 GiB
ProcessorAMD EPYC 7R13 ProcessorIntel Xeon 8375C (Ice Lake)
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.

Optionc6a.metalc6i.metalc6i.metal vs c6a.metal
On-demandPay by the hour$7.344$5.44▼ 26%
SpotCan be interrupted72% off$2.0377% off$1.26▼ 38%
1-yr reservedNo upfront34% off$4.85834% off$3.599▼ 26%
3-yr reservedNo upfront56% off$3.23356% off$2.395▼ 26%
1-yr savings planHourly commitment28% off$5.30728% off$3.931▼ 26%
3-yr savings planHourly commitment52% off$3.54652% off$2.627▼ 26%

Key differences

The biggest lead each one has.

Where c6a.metal leads
vCPUs192 vs 128
50% higher
Memory (GiB)384 vs 256
50% higher
EBS baseline IOPS240,000 vs 160,000
50% higher
Where c6i.metal leads
On-demand price$5.44 vs $7.344 per hour
26% cheaper

Specs

12 of 39 specs differ. Those are in bold.

Compute7 of 10 differc6a.metalc6i.metal
vCPUs192128
Physical cores9664
Threads per core22
Architecturex86_64x86_64
ProcessorAMD EPYC 7R13 ProcessorIntel Xeon 8375C (Ice Lake)
CPU makerAMDIntel
Clock speed3.6 GHz3.5 GHz
Sustained clock3.6 GHz3.5 GHz
Processor featuresAMD Turbo; AVX; AVX2Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo
BurstableNoNo
Memory1 of 1 differc6a.metalc6i.metal
Memory (GiB)384256
NetworkingAll 8 matchc6a.metalc6i.metal
Network50000 Megabit50000 Megabit
Network baseline50 Gbps50 Gbps
Network peak50 Gbps50 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFAYesYes
IPv6YesYes
Max network interfaces1515
IPv4 addresses per interface5050
Storage2 of 11 differc6a.metalc6i.metal
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput40000 Mbps40000 Mbps
EBS baseline bandwidth40,000 Mbps40,000 Mbps
EBS max bandwidth40,000 Mbps40,000 Mbps
EBS baseline throughput5,000 MB/s5,000 MB/s
EBS max throughput5,000 MB/s5,000 MB/s
EBS baseline IOPS240,000160,000
EBS max IOPS240,000160,000
Max EBS volumes3131
Instance details2 of 9 differc6a.metalc6i.metal
Familyc6ac6i
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor384256
Bare metalYesYes
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoNo
Nitro EnclavesNoNo
Boot modesLegacy BIOSLegacy BIOS

On-demand prices by region

Cheapest for c6a.metal first. Linux, USD per hour.

Regionc6a.metalc6i.metalDifference
Asia Pacific (Hyderabad)ap-south-2$4.488$5.44▲ 21%
Asia Pacific (Mumbai)ap-south-1$4.488$5.44▲ 21%
US East (N. Virginia)Used in summaryus-east-1$7.344$5.44▼ 26%
US East (Ohio)us-east-2$7.344$5.44▼ 26%
US West (Oregon)us-west-2$7.344$5.44▼ 26%
EU (Ireland)eu-west-1$7.88$5.837▼ 26%
Canada (Central)ca-central-1$8.035$5.952▼ 26%
EU (Frankfurt)eu-central-1$8.381$6.208▼ 26%
Asia Pacific (Singapore)ap-southeast-1$8.467$6.272▼ 26%
EU (London)eu-west-2$8.726$6.464▼ 26%
US West (N. California)us-west-1$9.158$6.784▼ 26%
Asia Pacific (Tokyo)ap-northeast-1$9.245$6.848▼ 26%
Asia Pacific (Hong Kong)ap-east-1$9.331$6.912▼ 26%
Asia Pacific (Sydney)ap-southeast-2$9.59$7.104▼ 26%
South America (Sao Paulo)sa-east-1$11.318$8.384▼ 26%

Keep exploring

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

c6a.metalCompute optimized, c6a family
c6a.metal prices and specsEvery size in the c6a family

Compare c6a.metal with

c6g.metalm6a.metalr6a.metal
c6i.metalCompute optimized, c6i family
c6i.metal prices and specsEvery size in the c6i family

Compare c6i.metal with

c6g.metalc6in.metalm6i.metalr6i.metalc6id.metalc5.metal

Pay the committed rate, with commitment protection

The best committed rate on these two is 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.