r3.2xlargevsr4.2xlarge

r4.2xlarge is 20% cheaper than r3.2xlarge on demand in US East (N. Virginia), saving $97.09 a month.

At a glancer3.2xlarger4.2xlarge
On-demand$0.665/hr$0.532/hr20% less
Lowest rate$0.1464/hrSpot, can be interrupted$0.126/hr14% lessSpot, can be interrupted
Size8 vCPUs, 61 GiB8 vCPUs, 61 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.

Optionr3.2xlarger4.2xlarger4.2xlarge vs r3.2xlarge
On-demandPay by the hour$0.665$0.532▼ 20%
SpotCan be interrupted78% off$0.146476% off$0.126▼ 14%
1-yr reservedNo upfront37% off$0.41837% off$0.336▼ 20%
3-yr reservedNo upfront—57% off$0.229—
1-yr savings planHourly commitment35% off$0.43327% off$0.3864▼ 11%
3-yr savings planHourly commitment43% off$0.37651% off$0.2633▼ 30%

Key differences

The biggest lead each one has.

Where r3.2xlarge leads
Clock speed2.5 GHz vs 2.3 GHz
9% higher
Where r4.2xlarge leads
On-demand price$0.532 vs $0.665 per hour
20% cheaper
Network baseline2.5 Gbps vs 1 Gbps
2.5× higher
EBS baseline bandwidth1,700 Mbps vs 1,000 Mbps
70% higher
ECU31 vs 26
19% higher

Specs

20 of 42 specs differ. Those are in bold.

Compute5 of 11 differr3.2xlarger4.2xlarge
vCPUs88
Physical cores44
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
ECU2631
MemoryAll 1 matchr3.2xlarger4.2xlarge
Memory (GiB)6161
Networking3 of 8 differr3.2xlarger4.2xlarge
NetworkHighUp to 10 Gigabit
Network baseline1 Gbps2.5 Gbps
Network peak10 Gbps10 Gbps
Enhanced networkingNoYes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces44
IPv4 addresses per interface1515
Storage10 of 12 differr3.2xlarger4.2xlarge
Storage1 x 160 SSDEBS only
Local disks1 × 160 GB SSD–
EBS optimizedYesYes
EBS over NVMeNoNo
EBS throughput–1600 Mbps
EBS baseline bandwidth1,000 Mbps1,700 Mbps
EBS max bandwidth1,000 Mbps1,700 Mbps
EBS baseline throughput125 MB/s212.5 MB/s
EBS max throughput125 MB/s212.5 MB/s
EBS baseline IOPS8,00012,000
EBS max IOPS8,00012,000
Max EBS volumes3940
Instance details2 of 10 differr3.2xlarger4.2xlarge
Familyr3r4
CategoryMemory optimizedMemory optimized
Current generationNoYes
Normalization factor1616
Bare metalNoNo
HypervisorXenXen
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesNoNo
Boot modesLegacy BIOSLegacy BIOS

On-demand prices by region

Cheapest for r3.2xlarge first. Linux, USD per hour.

Regionr3.2xlarger4.2xlargeDifference
US East (Ohio)us-east-2$0.664$0.532▼ 20%
US East (N. Virginia)Used in summaryus-east-1$0.665$0.532▼ 20%
US West (Oregon)us-west-2$0.665$0.532▼ 20%
EU (Ireland)eu-west-1$0.741$0.5928▼ 20%
US West (N. California)us-west-1$0.741$0.5928▼ 20%
Asia Pacific (Mumbai)ap-south-1$0.758$0.548▼ 28%
Asia Pacific (Seoul)ap-northeast-2$0.798$0.64▼ 20%
Asia Pacific (Singapore)ap-southeast-1$0.798$0.64▼ 20%
Asia Pacific (Sydney)ap-southeast-2$0.798$0.6384▼ 20%
Asia Pacific (Tokyo)ap-northeast-1$0.798$0.64▼ 20%
AWS GovCloud (US-West)us-gov-west-1$0.798$0.6384▼ 20%
EU (Frankfurt)eu-central-1$0.8$0.6402▼ 20%
South America (Sao Paulo)sa-east-1$1.399$1.12▼ 20%

Keep exploring

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

r3.2xlargeMemory optimized, r3 family
r3.2xlarge prices and specsEvery size in the r3 family
r4.2xlargeMemory optimized, r4 family
r4.2xlarge prices and specsEvery size in the r4 family

Compare r4.2xlarge with

c4.2xlargem4.2xlarger5.2xlarge

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.