x8g.4xlargevsx8i.4xlarge

x8g.4xlarge is 11% cheaper than x8i.4xlarge on demand in US East (N. Virginia), saving $136.80 a month. They use different processor architectures (arm64 and x86_64), so software built for one may need rebuilding to run on the other.

At a glancex8g.4xlargex8i.4xlarge
On-demand$1.563/hr11% less$1.751/hr
Lowest rate$0.754/hrSpot, can be interrupted$0.4242/hr44% lessSpot, can be interrupted
Size16 vCPUs, 256 GiB16 vCPUs, 256 GiB
ProcessorAWS Graviton4 ProcessorIntel Xeon Scalable (Granite Rapids)
Architecturearm64x86_64

Prices in US East (N. Virginia)

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

Optionx8g.4xlargex8i.4xlargex8i.4xlarge vs x8g.4xlarge
On-demandPay by the hour$1.563$1.751▲ 12%
SpotCan be interrupted52% off$0.75476% off$0.4242▼ 44%
1-yr reservedNo upfront38% off$0.9633——
3-yr reservedNo upfront66% off$0.534——
1-yr savings planHourly commitment26% off$1.15626% off$1.294▲ 12%
3-yr savings planHourly commitment59% off$0.640961% off$0.675▲ 5%

Key differences

The biggest lead each one has.

Where x8g.4xlarge leads
On-demand price$1.563 vs $1.751 per hour
11% cheaper
Physical cores16 vs 8
2× higher
Where x8i.4xlarge leads
IPv4 addresses per interface50 vs 30
67% higher
Clock speed3.9 GHz vs 2.7 GHz
44% higher

Specs

13 of 40 specs differ. Those are in bold.

Compute8 of 10 differx8g.4xlargex8i.4xlarge
vCPUs1616
Physical cores168
Threads per core12
Architecturearm64x86_64
ProcessorAWS Graviton4 ProcessorIntel Xeon Scalable (Granite Rapids)
CPU makerAWSIntel
Clock speed2.7 GHz3.9 GHz
Sustained clock2.8 GHz3.9 GHz
Processor features–Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNoNo
MemoryAll 1 matchx8g.4xlargex8i.4xlarge
Memory (GiB)256256
Networking2 of 8 differx8g.4xlargex8i.4xlarge
NetworkUp to 15 GigabitUp to 15000 Megabit
Network baseline7.5 Gbps7.5 Gbps
Network peak15 Gbps15 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface3050
Storage1 of 11 differx8g.4xlargex8i.4xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 10 GbpsUp to 10000 Mbps
EBS baseline bandwidth5,000 Mbps5,000 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput625 MB/s625 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS20,00020,000
EBS max IOPS40,00040,000
Max EBS volumes3232
Instance details2 of 10 differx8g.4xlargex8i.4xlarge
Familyx8gx8i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor3232
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoNo
Nitro EnclavesYesYes
Boot modesUEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for x8g.4xlarge first. Linux, USD per hour.

Regionx8g.4xlargex8i.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.563$1.751▲ 12%
US East (Ohio)us-east-2$1.563$1.751▲ 12%
US West (Oregon)us-west-2$1.563$1.751▲ 12%
EU (Stockholm)eu-north-1$1.78$1.996▲ 12%
EU (Ireland)eu-west-1$1.872$2.101▲ 12%
Asia Pacific (Sydney)ap-southeast-2$1.876$2.538▲ 35%
EU (Frankfurt)eu-central-1$2.185$2.451▲ 12%

Keep exploring

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

x8g.4xlargeMemory optimized, x8g family
x8g.4xlarge prices and specsEvery size in the x8g family
x8i.4xlargeMemory optimized, x8i family
x8i.4xlarge prices and specsEvery size in the x8i family

Pay the committed rate, with commitment protection

The best committed rate on these two is 61–66% 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.