c8a.mediumvsr8a.medium

c8a.medium is 33% cheaper than r8a.medium on demand in US East (N. Virginia), saving $18.98 a month.

At a glancec8a.mediumr8a.medium
On-demand$0.0539/hr33% less$0.0799/hr
Lowest rate$0.0111/hr31% lessSpot, can be interrupted$0.0162/hrSpot, can be interrupted
Size1 vCPUs, 2 GiB1 vCPUs, 8 GiB
ProcessorAMD EPYC 9R45 ProcessorAMD EPYC 9R45 Processor
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.

Optionc8a.mediumr8a.mediumr8a.medium vs c8a.medium
On-demandPay by the hour$0.0539$0.0799▲ 48%
SpotCan be interrupted79% off$0.011180% off$0.0162▲ 46%
1-yr savings planHourly commitment28% off$0.038928% off$0.0579▲ 49%
3-yr savings planHourly commitment52% off$0.02648% off$0.0417▲ 60%

Key differences

The biggest lead each one has.

Where c8a.medium leads
On-demand price$0.0539 vs $0.0799 per hour
33% cheaper
Where r8a.medium leads
Memory (GiB)8 vs 2
4× higher

Specs

3 of 40 specs differ. Those are in bold.

ComputeAll 10 matchc8a.mediumr8a.medium
vCPUs11
Physical cores11
Threads per core11
Architecturex86_64x86_64
ProcessorAMD EPYC 9R45 ProcessorAMD EPYC 9R45 Processor
CPU makerAMDAMD
Clock speedUp to 4.5 GHzUp to 4.5 GHz
Sustained clock4.5 GHz4.5 GHz
Processor featuresAMD Turbo; AVX; AVX2; AVX512AMD Turbo; AVX; AVX2; AVX512
BurstableNoNo
Memory1 of 1 differc8a.mediumr8a.medium
Memory (GiB)28
NetworkingAll 8 matchc8a.mediumr8a.medium
NetworkUp to 15000 MegabitUp to 15000 Megabit
Network baseline0.52 Gbps0.52 Gbps
Network peak12.5 Gbps12.5 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces22
IPv4 addresses per interface44
StorageAll 11 matchc8a.mediumr8a.medium
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 10000 MbpsUp to 10000 Mbps
EBS baseline bandwidth325 Mbps325 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput40.625 MB/s40.625 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS2,5002,500
EBS max IOPS40,00040,000
Max EBS volumes3232
Instance details2 of 10 differc8a.mediumr8a.medium
Familyc8ar8a
CategoryCompute optimizedMemory optimized
Current generationYesYes
Normalization factor22
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesNoNo
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

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

Regionc8a.mediumr8a.mediumDifference
US East (N. Virginia)Used in summaryus-east-1$0.0539$0.0799▲ 48%
US East (Ohio)us-east-2$0.0539$0.0799▲ 48%
US West (Oregon)us-west-2$0.0539$0.0799▲ 48%
EU (Ireland)eu-west-1$0.0578$0.0894▲ 55%
Europe (Spain)eu-south-2$0.0578$0.0894▲ 55%
EU (Frankfurt)eu-central-1$0.0615$0.0964▲ 57%
Asia Pacific (Tokyo)ap-northeast-1$0.0678$0.0964▲ 42%

Keep exploring

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

c8a.mediumCompute optimized, c8a family
c8a.medium prices and specsEvery size in the c8a family

Compare c8a.medium with

c8g.mediumm8a.mediumc7a.medium
r8a.mediumMemory optimized, r8a family
r8a.medium prices and specsEvery size in the r8a family

Compare r8a.medium with

r8g.mediumm8a.mediumr7a.medium

Pay the committed rate, with commitment protection

The best committed rate on these two is 48–52% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

Connect AWS account

AWS EC2 Linux prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.