r8i-flex.xlargevsr8i.xlarge

r8i-flex.xlarge is 5% cheaper than r8i.xlarge on demand in US East (N. Virginia), saving $10.15 a month.

At a glancer8i-flex.xlarger8i.xlarge
On-demand$0.2639/hr5% less$0.2778/hr
Lowest rate$0.0867/hr5% lessSpot, can be interrupted$0.0915/hrSpot, can be interrupted
Size4 vCPUs, 32 GiB4 vCPUs, 32 GiB
ProcessorIntel Xeon Scalable (Granite Rapids)Intel Xeon Scalable (Granite Rapids)
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.

Optionr8i-flex.xlarger8i.xlarger8i.xlarge vs r8i-flex.xlarge
On-demandPay by the hour$0.2639$0.2778▲ 5%
SpotCan be interrupted67% off$0.086767% off$0.0915▲ 6%
1-yr savings planHourly commitment28% off$0.191228% off$0.2013▲ 5%
3-yr savings planHourly commitment48% off$0.137748% off$0.1449▲ 5%

Key differences

The biggest lead each one has.

Where r8i-flex.xlarge leads
On-demand price$0.2639 vs $0.2778 per hour
5% cheaper
Where r8i.xlarge leads
Network baseline1.875 Gbps vs 0.937 Gbps
2× higher
EBS baseline bandwidth1,250 Mbps vs 630 Mbps
98% higher

Specs

7 of 40 specs differ. Those are in bold.

ComputeAll 10 matchr8i-flex.xlarger8i.xlarge
vCPUs44
Physical cores22
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon Scalable (Granite Rapids)Intel Xeon Scalable (Granite Rapids)
CPU makerIntelIntel
Clock speed3.9 GHz3.9 GHz
Sustained clock3.9 GHz3.9 GHz
Processor featuresIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMXIntel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
BurstableNoNo
MemoryAll 1 matchr8i-flex.xlarger8i.xlarge
Memory (GiB)3232
Networking1 of 8 differr8i-flex.xlarger8i.xlarge
NetworkUp to 12500 MegabitUp to 12500 Megabit
Network baseline0.937 Gbps1.875 Gbps
Network peak12.5 Gbps12.5 Gbps
Enhanced networkingYes (ENA)Yes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces44
IPv4 addresses per interface3030
Storage3 of 11 differr8i-flex.xlarger8i.xlarge
StorageEBS onlyEBS only
EBS optimizedYesYes
EBS over NVMeRequiredRequired
EBS throughputUp to 10000 MbpsUp to 10000 Mbps
EBS baseline bandwidth630 Mbps1,250 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput78.75 MB/s156.25 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS3,6006,000
EBS max IOPS40,00040,000
Max EBS volumes3232
Instance details3 of 10 differr8i-flex.xlarger8i.xlarge
Familyr8i-flexr8i
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor88
Bare metalNoNo
HypervisorNitroNitro
Placement groupsPartition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesNoYes
Boot modesLegacy BIOS, UEFILegacy BIOS, UEFI

On-demand prices by region

Cheapest for r8i-flex.xlarge first. Linux, USD per hour.

Regionr8i-flex.xlarger8i.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.2639$0.2778▲ 5%
US East (Ohio)us-east-2$0.2639$0.2778▲ 5%
US West (Oregon)us-west-2$0.2639$0.2778▲ 5%
Asia Pacific (Malaysia)ap-southeast-5$0.2706$0.2849▲ 5%
Asia Pacific (Hyderabad)ap-south-2$0.2723$0.2867▲ 5%
Asia Pacific (Mumbai)ap-south-1$0.2723$0.2867▲ 5%
EU (Stockholm)eu-north-1$0.2807$0.2955▲ 5%
Canada (Central)ca-central-1$0.2891$0.3043▲ 5%
Canada West (Calgary)ca-west-1$0.2891$0.3043▲ 5%
US West (N. California)us-west-1$0.2933$0.3087▲ 5%
EU (Ireland)eu-west-1$0.2954$0.3109▲ 5%
Europe (Spain)eu-south-2$0.2954$0.3109▲ 5%
EU (London)eu-west-2$0.31$0.3263▲ 5%
EU (Milan)eu-south-1$0.31$0.3263▲ 5%
EU (Paris)eu-west-3$0.31$0.3263▲ 5%
Asia Pacific (Sydney)ap-southeast-2$0.3163$0.333▲ 5%
AWS GovCloud (US-East)us-gov-east-1$0.3163$0.333▲ 5%
AWS GovCloud (US-West)us-gov-west-1$0.3163$0.333▲ 5%
Asia Pacific (Seoul)ap-northeast-2$0.3184$0.3352▲ 5%
Asia Pacific (Singapore)ap-southeast-1$0.3184$0.3352▲ 5%
Asia Pacific (Tokyo)ap-northeast-1$0.3184$0.3352▲ 5%
EU (Frankfurt)eu-central-1$0.3184$0.3352▲ 5%
Middle East (UAE)me-central-1$0.3249$0.342▲ 5%
Asia Pacific (New Zealand)ap-southeast-6$0.3321$0.3496▲ 5%
Europe (Zurich)eu-central-2$0.3502$0.3687▲ 5%
Africa (Cape Town)af-south-1$0.3519$0.3704▲ 5%
South America (Sao Paulo)sa-east-1$0.421$0.4432▲ 5%

Keep exploring

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

r8i-flex.xlargeMemory optimized, r8i-flex family
r8i-flex.xlarge prices and specsEvery size in the r8i-flex family

Compare r8i-flex.xlarge with

c8i-flex.xlargem8i-flex.xlarge
r8i.xlargeMemory optimized, r8i family
r8i.xlarge prices and specsEvery size in the r8i family

Compare r8i.xlarge with

c8i.xlargem8i.xlarger8g.xlarger8a.xlarger8ib.xlarger8id.xlarger8idb.xlarger8idn.xlarger8in.xlarger7i.xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 48% 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.