r3.8xlargevsr4.8xlarge

r4.8xlarge is 20% cheaper than r3.8xlarge on demand in US East (N. Virginia), saving $388.36 a month.

At a glancer3.8xlarger4.8xlarge
On-demand$2.66/hr$2.128/hr20% less
Lowest rate$0.5466/hr10% lessSpot, can be interrupted$0.6055/hrSpot, can be interrupted
Size32 vCPUs, 244 GiB32 vCPUs, 244 GiB
ProcessorIntel Xeon E5-2670 v2 (Ivy Bridge)Intel Xeon E5-2686 v4 (Broadwell)
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.

Optionr3.8xlarger4.8xlarger4.8xlarge vs r3.8xlarge
On-demandPay by the hour$2.66$2.128▼ 20%
SpotCan be interrupted79% off$0.546672% off$0.6055▲ 11%
1-yr reservedNo upfront37% off$1.67237% off$1.344▼ 20%
3-yr reservedNo upfront—57% off$0.9158—
1-yr savings planHourly commitment35% off$1.73327% off$1.546▼ 11%
3-yr savings planHourly commitment43% off$1.50551% off$1.053▼ 30%

Key differences

The biggest lead each one has.

Where r3.8xlarge leads
Clock speed2.5 GHz vs 2.3 GHz
9% higher
Where r4.8xlarge leads
On-demand price$2.128 vs $2.66 per hour
20% cheaper
Network baseline12 Gbps vs 5 Gbps
2.4× higher
Max EBS volumes40 vs 39
3% higher

Specs

21 of 42 specs differ. Those are in bold.

Compute5 of 11 differr3.8xlarger4.8xlarge
vCPUs3232
Physical cores1616
Threads per core22
Architecturex86_64x86_64
ProcessorIntel Xeon E5-2670 v2 (Ivy Bridge)Intel Xeon E5-2686 v4 (Broadwell)
CPU makerIntelIntel
Clock speed2.5 GHz2.3 GHz
Sustained clock2.5 GHz2.3 GHz
Processor featuresIntel AVX; Intel TurboIntel AVX; Intel AVX2; Intel Turbo
BurstableNoNo
ECU10497
MemoryAll 1 matchr3.8xlarger4.8xlarge
Memory (GiB)244244
Networking3 of 8 differr3.8xlarger4.8xlarge
Network10 Gigabit10 Gigabit
Network baseline5 Gbps12 Gbps
Network peak10 Gbps12 Gbps
Enhanced networkingNoYes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces88
IPv4 addresses per interface3030
Storage11 of 12 differr3.8xlarger4.8xlarge
Storage2 x 320 SSDEBS only
Local disks2 × 320 GB SSD–
EBS optimizedNoYes
EBS over NVMeNoNo
EBS throughput–6000 Mbps
EBS baseline bandwidth–7,000 Mbps
EBS max bandwidth–7,000 Mbps
EBS baseline throughput–875 MB/s
EBS max throughput–875 MB/s
EBS baseline IOPS–37,500
EBS max IOPS–37,500
Max EBS volumes3940
Instance details2 of 10 differr3.8xlarger4.8xlarge
Familyr3r4
CategoryMemory optimizedMemory optimized
Current generationNoYes
Normalization factor6464
Bare metalNoNo
HypervisorXenXen
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationNoNo
Nitro EnclavesNoNo
Boot modesLegacy BIOSLegacy BIOS

On-demand prices by region

Cheapest for r3.8xlarge first. Linux, USD per hour.

Regionr3.8xlarger4.8xlargeDifference
US East (Ohio)us-east-2$2.656$2.128▼ 20%
US East (N. Virginia)Used in summaryus-east-1$2.66$2.128▼ 20%
US West (Oregon)us-west-2$2.66$2.128▼ 20%
EU (Ireland)eu-west-1$2.964$2.371▼ 20%
US West (N. California)us-west-1$2.964$2.371▼ 20%
Asia Pacific (Mumbai)ap-south-1$3.032$2.192▼ 28%
Asia Pacific (Seoul)ap-northeast-2$3.192$2.56▼ 20%
Asia Pacific (Singapore)ap-southeast-1$3.192$2.56▼ 20%
Asia Pacific (Sydney)ap-southeast-2$3.192$2.554▼ 20%
Asia Pacific (Tokyo)ap-northeast-1$3.192$2.56▼ 20%
AWS GovCloud (US-West)us-gov-west-1$3.192$2.554▼ 20%
EU (Frankfurt)eu-central-1$3.201$2.561▼ 20%
South America (Sao Paulo)sa-east-1$5.597$4.48▼ 20%

Keep exploring

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

r3.8xlargeMemory optimized, r3 family
r3.8xlarge prices and specsEvery size in the r3 family
r4.8xlargeMemory optimized, r4 family
r4.8xlarge prices and specsEvery size in the r4 family

Compare r4.8xlarge with

c4.8xlarger5.8xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 43–57% 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.