i4g.16xlargevsi4i.16xlarge

i4g.16xlarge is 10% cheaper than i4i.16xlarge on demand in US East (N. Virginia), saving $400.70 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 glancei4g.16xlargei4i.16xlarge
On-demand$4.942/hr10% less$5.491/hr
Lowest rate$1.128/hr9% lessSpot, can be interrupted$1.237/hrSpot, can be interrupted
Size64 vCPUs, 512 GiB64 vCPUs, 512 GiB
ProcessorAWS Graviton2 ProcessorIntel Xeon 8375C (Ice Lake)
Architecturearm64x86_64

Prices in US East (N. Virginia)

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

Optioni4g.16xlargei4i.16xlargei4i.16xlarge vs i4g.16xlarge
On-demandPay by the hour$4.942$5.491▲ 11%
SpotCan be interrupted77% off$1.12877% off$1.237▲ 10%
1-yr reservedNo upfront35% off$3.20735% off$3.563▲ 11%
3-yr reservedNo upfront54% off$2.28654% off$2.54▲ 11%
1-yr savings planHourly commitment22% off$3.84822% off$4.276▲ 11%
3-yr savings planHourly commitment44% off$2.74344% off$3.048▲ 11%

Key differences

The biggest lead each one has.

Where i4g.16xlarge leads
On-demand price$4.942 vs $5.491 per hour
10% cheaper
Physical cores64 vs 32
2× higher
Where i4i.16xlarge leads
Clock speed3.5 GHz vs 2.5 GHz
40% higher

Specs

13 of 41 specs differ. Those are in bold.

Compute8 of 10 differi4g.16xlargei4i.16xlarge
vCPUs6464
Physical cores6432
Threads per core12
Architecturearm64x86_64
ProcessorAWS Graviton2 ProcessorIntel Xeon 8375C (Ice Lake)
CPU makerAWSIntel
Clock speed2.5 GHz3.5 GHz
Sustained clock2.5 GHz3.5 GHz
Processor features–Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo
BurstableNoNo
MemoryAll 1 matchi4g.16xlargei4i.16xlarge
Memory (GiB)512512
Networking2 of 8 differi4g.16xlargei4i.16xlarge
Network37500 Megabit35000 Megabit
Network baseline37.5 Gbps37.5 Gbps
Network peak37.5 Gbps37.5 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFAYesNo
IPv6YesYes
Max network interfaces1515
IPv4 addresses per interface5050
Storage1 of 12 differi4g.16xlargei4i.16xlarge
Storage4 x 3750 SSD4 x 3750 NVMe SSD
Local disks4 × 3,750 GB SSD4 × 3,750 GB SSD
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughput20000 Mbps20000 Mbps
EBS baseline bandwidth20,000 Mbps20,000 Mbps
EBS max bandwidth20,000 Mbps20,000 Mbps
EBS baseline throughput2,500 MB/s2,500 MB/s
EBS max throughput2,500 MB/s2,500 MB/s
EBS baseline IOPS80,00080,000
EBS max IOPS80,00080,000
Max EBS volumes2323
Instance details2 of 10 differi4g.16xlargei4i.16xlarge
Familyi4gi4i
CategoryStorage optimizedStorage optimized
Current generationYesYes
Normalization factor128128
Bare metalNoNo
HypervisorNitroNitro
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoNo
Nitro EnclavesYesYes
Boot modesUEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for i4g.16xlarge first. Linux, USD per hour.

Regioni4g.16xlargei4i.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$4.942$5.491▲ 11%
US East (Ohio)us-east-2$4.942$5.491▲ 11%
US West (Oregon)us-west-2$4.942$5.491▲ 11%
Canada (Central)ca-central-1$5.446$6.054▲ 11%
EU (Ireland)eu-west-1$5.446$6.054▲ 11%
Asia Pacific (Singapore)ap-southeast-1$5.924$6.582▲ 11%
Asia Pacific (Sydney)ap-southeast-2$5.924$6.582▲ 11%
South America (Sao Paulo)sa-east-1$7.891$8.765▲ 11%

Keep exploring

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

i4g.16xlargeStorage optimized, i4g family
i4g.16xlarge prices and specsEvery size in the i4g family

Compare i4g.16xlarge with

i8g.16xlarge
i4i.16xlargeStorage optimized, i4i family
i4i.16xlarge prices and specsEvery size in the i4i family

Compare i4i.16xlarge with

i3.16xlargei7i.16xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 54% 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.