c8a.48xlargevsc8g.48xlarge

c8g.48xlarge is 26% cheaper than c8a.48xlarge on demand in US East (N. Virginia), saving $1,962.90 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.48xlargec8g.48xlarge
On-demand$10.346/hr$7.657/hr26% less
Lowest rate$2.589/hrSpot, can be interrupted$1.311/hr49% lessSpot, can be interrupted
Size192 vCPUs, 384 GiB192 vCPUs, 384 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.48xlargec8g.48xlargec8g.48xlarge vs c8a.48xlarge
On-demandPay by the hour$10.346$7.657▼ 26%
SpotCan be interrupted75% off$2.58983% off$1.311▼ 49%
1-yr reservedNo upfront—34% off$5.046—
3-yr reservedNo upfront—56% off$3.365—
1-yr savings planHourly commitment28% off$7.47628% off$5.489▼ 27%
3-yr savings planHourly commitment52% off$4.99552% off$3.707▼ 26%

Key differences

The biggest lead each one has.

Where c8a.48xlarge leads
Clock speedUp to 4.5 GHz vs 2.7 GHz
67% higher
Max network interfaces24 vs 15
60% higher
EBS baseline bandwidth60,000 Mbps vs 40,000 Mbps
50% higher
Where c8g.48xlarge leads
On-demand price$7.657 vs $10.346 per hour
26% cheaper

Specs

18 of 40 specs differ. Those are in bold.

Compute6 of 10 differc8a.48xlargec8g.48xlarge
vCPUs192192
Physical cores192192
Threads per core11
Architecturex86_64arm64
ProcessorAMD EPYC 9R45 ProcessorAWS Graviton4 Processor
CPU makerAMDAWS
Clock speedUp to 4.5 GHz2.7 GHz
Sustained clock4.5 GHz2.7 GHz
Processor featuresAMD Turbo; AVX; AVX2; AVX512–
BurstableNoNo
MemoryAll 1 matchc8a.48xlargec8g.48xlarge
Memory (GiB)384384
Networking5 of 8 differc8a.48xlargec8g.48xlarge
Network75000 Megabit50 Gigabit
Network baseline75 Gbps50 Gbps
Network peak75 Gbps50 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFAYesYes
IPv6YesYes
Max network interfaces2415
IPv4 addresses per interface6450
Storage5 of 11 differc8a.48xlargec8g.48xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput60000 Mbps40000 Mbps
EBS baseline bandwidth60,000 Mbps40,000 Mbps
EBS max bandwidth60,000 Mbps40,000 Mbps
EBS baseline throughput7,500 MB/s5,000 MB/s
EBS max throughput7,500 MB/s5,000 MB/s
EBS baseline IOPS240,000240,000
EBS max IOPS240,000240,000
Max EBS volumes128128
Instance details2 of 10 differc8a.48xlargec8g.48xlarge
Familyc8ac8g
CategoryCompute optimizedCompute optimized
Current generationYesYes
Normalization factor384384
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoNo
Nitro EnclavesYesYes
Boot modesLegacy BIOS, UEFIUEFI

On-demand prices by region

Cheapest for c8a.48xlarge first. Linux, USD per hour.

Regionc8a.48xlargec8g.48xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$10.346$7.657▼ 26%
US East (Ohio)us-east-2$10.346$7.63▼ 26%
US West (Oregon)us-west-2$10.346$7.657▼ 26%
Europe (Spain)eu-south-2$11.099$8.185▼ 26%
EU (Ireland)eu-west-1$11.101$8.187▼ 26%
EU (Frankfurt)eu-central-1$11.807$8.707▼ 26%
Asia Pacific (Tokyo)ap-northeast-1$13.023$9.606▼ 26%

Keep exploring

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

c8a.48xlargeCompute optimized, c8a family
c8a.48xlarge prices and specsEvery size in the c8a family

Compare c8a.48xlarge with

c8i.48xlarger8a.48xlargem8a.48xlargec7a.48xlarge
c8g.48xlargeCompute optimized, c8g family
c8g.48xlarge prices and specsEvery size in the c8g family

Compare c8g.48xlarge with

c8gb.48xlargec8gn.48xlargec8i.48xlargem8g.48xlarger8g.48xlargec8gd.48xlargec9g.48xlarge

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.