c6a.metalvsc6g.metal

c6g.metal is 70% cheaper than c6a.metal on demand in US East (N. Virginia), saving $3,772.64 a month. Per vCPU, c6g.metal costs 11% less. They use different processor architectures (x86_64 and arm64), so software built for one may need rebuilding to run on the other.

At a glancec6a.metalc6g.metal
On-demand$7.344/hr$2.176/hr70% less
Lowest rate$2.03/hrSpot, can be interrupted$0.6405/hr68% lessSpot, can be interrupted
Size192 vCPUs, 384 GiB64 vCPUs, 128 GiB
ProcessorAMD EPYC 7R13 ProcessorAWS Graviton2 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.

Optionc6a.metalc6g.metalc6g.metal vs c6a.metal
On-demandPay by the hour$7.344$2.176▼ 70%
SpotCan be interrupted72% off$2.0371% off$0.6405▼ 68%
1-yr reservedNo upfront34% off$4.85837% off$1.371▼ 72%
3-yr reservedNo upfront56% off$3.23357% off$0.94▼ 71%
1-yr savings planHourly commitment28% off$5.30727% off$1.586▼ 70%
3-yr savings planHourly commitment52% off$3.54652% off$1.051▼ 70%

Key differences

The biggest lead each one has.

Where c6a.metal leads
vCPUs192 vs 64
3× higher
Memory (GiB)384 vs 128
3× higher
EBS baseline IOPS240,000 vs 80,000
3× higher
Network baseline50 Gbps vs 25 Gbps
2× higher
Where c6g.metal leads
On-demand price$2.176 vs $7.344 per hour
70% cheaper

Specs

24 of 39 specs differ. Those are in bold.

Compute9 of 10 differc6a.metalc6g.metal
vCPUs19264
Physical cores9664
Threads per core21
Architecturex86_64arm64
ProcessorAMD EPYC 7R13 ProcessorAWS Graviton2 Processor
CPU makerAMDAWS
Clock speed3.6 GHz2.5 GHz
Sustained clock3.6 GHz2.5 GHz
Processor featuresAMD Turbo; AVX; AVX2–
BurstableNoNo
Memory1 of 1 differc6a.metalc6g.metal
Memory (GiB)384128
Networking4 of 8 differc6a.metalc6g.metal
Network50000 Megabit25 Gigabit
Network baseline50 Gbps25 Gbps
Network peak50 Gbps25 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFAYesNo
IPv6YesYes
Max network interfaces1515
IPv4 addresses per interface5050
Storage7 of 11 differc6a.metalc6g.metal
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput40000 Mbps19000 Mbps
EBS baseline bandwidth40,000 Mbps19,000 Mbps
EBS max bandwidth40,000 Mbps19,000 Mbps
EBS baseline throughput5,000 MB/s2,375 MB/s
EBS max throughput5,000 MB/s2,375 MB/s
EBS baseline IOPS240,00080,000
EBS max IOPS240,00080,000
Max EBS volumes3131
Instance details3 of 9 differc6a.metalc6g.metal
Familyc6ac6g
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor384128
Bare metalYesYes
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoNo
Nitro EnclavesNoNo
Boot modesLegacy BIOSUEFI

On-demand prices by region

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

Regionc6a.metalc6g.metalDifference
Asia Pacific (Hyderabad)ap-south-2$4.488$1.363▼ 70%
Asia Pacific (Mumbai)ap-south-1$4.488$1.363▼ 70%
US East (N. Virginia)Used in summaryus-east-1$7.344$2.176▼ 70%
US East (Ohio)us-east-2$7.344$2.176▼ 70%
US West (Oregon)us-west-2$7.344$2.176▼ 70%
EU (Ireland)eu-west-1$7.88$2.335▼ 70%
Canada (Central)ca-central-1$8.035$2.381▼ 70%
EU (Frankfurt)eu-central-1$8.381$2.483▼ 70%
Asia Pacific (Singapore)ap-southeast-1$8.467$2.509▼ 70%
EU (London)eu-west-2$8.726$2.586▼ 70%
US West (N. California)us-west-1$9.158$2.714▼ 70%
Asia Pacific (Tokyo)ap-northeast-1$9.245$2.739▼ 70%
Asia Pacific (Hong Kong)ap-east-1$9.331$2.752▼ 71%
Asia Pacific (Sydney)ap-southeast-2$9.59$2.842▼ 70%
South America (Sao Paulo)sa-east-1$11.318$3.354▼ 70%

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

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

Compare c6g.metal with

c6gd.metalc6i.metalm6g.metalr6g.metalc6gn.metalc7g.metal

Pay the committed rate, with commitment protection

The best committed rate on these two is 56–57% 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.