r3.xlargevsr4.xlarge

r4.xlarge is 20% cheaper than r3.xlarge on demand in US East (N. Virginia), saving $48.91 a month.

At a glancer3.xlarger4.xlarge
On-demand$0.333/hr$0.266/hr20% less
Lowest rate$0.088/hrSpot, can be interrupted$0.0804/hr9% lessSpot, can be interrupted
Size4 vCPUs, 30.5 GiB4 vCPUs, 30.5 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.xlarger4.xlarger4.xlarge vs r3.xlarge
On-demandPay by the hour$0.333$0.266▼ 20%
SpotCan be interrupted74% off$0.08870% off$0.0804▼ 9%
1-yr reservedNo upfront37% off$0.20937% off$0.168▼ 20%
3-yr reservedNo upfront—57% off$0.1145—
1-yr savings planHourly commitment35% off$0.21727% off$0.1932▼ 11%
3-yr savings planHourly commitment44% off$0.18850% off$0.1317▼ 30%

Key differences

The biggest lead each one has.

Where r3.xlarge leads
Clock speed2.5 GHz vs 2.3 GHz
9% higher
Where r4.xlarge leads
On-demand price$0.266 vs $0.333 per hour
20% cheaper
Network peak10 Gbps vs 2.8 Gbps
3.6× higher
EBS baseline bandwidth850 Mbps vs 500 Mbps
70% higher
ECU16 vs 13
23% higher

Specs

21 of 42 specs differ. Those are in bold.

Compute5 of 11 differr3.xlarger4.xlarge
vCPUs44
Physical cores22
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
ECU1316
MemoryAll 1 matchr3.xlarger4.xlarge
Memory (GiB)30.530.5
Networking4 of 8 differr3.xlarger4.xlarge
NetworkModerateUp to 10 Gigabit
Network baseline0.7 Gbps1.25 Gbps
Network peak2.8 Gbps10 Gbps
Enhanced networkingNoYes (ENA)
EFANoNo
IPv6YesYes
Max network interfaces44
IPv4 addresses per interface1515
Storage10 of 12 differr3.xlarger4.xlarge
Storage1 x 80 SSDEBS only
Local disks1 × 80 GB SSD–
EBS optimizedYesYes
EBS over NVMeNoNo
EBS throughput–800 Mbps
EBS baseline bandwidth500 Mbps850 Mbps
EBS max bandwidth500 Mbps850 Mbps
EBS baseline throughput62.5 MB/s106.25 MB/s
EBS max throughput62.5 MB/s106.25 MB/s
EBS baseline IOPS4,0006,000
EBS max IOPS4,0006,000
Max EBS volumes3940
Instance details2 of 10 differr3.xlarger4.xlarge
Familyr3r4
CategoryMemory optimizedMemory optimized
Current generationNoYes
Normalization factor88
Bare metalNoNo
HypervisorXenXen
Placement groupsCluster, Partition, SpreadCluster, Partition, Spread
HibernationYesYes
Nitro EnclavesNoNo
Boot modesLegacy BIOSLegacy BIOS

On-demand prices by region

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

Regionr3.xlarger4.xlargeDifference
US East (Ohio)us-east-2$0.332$0.266▼ 20%
US East (N. Virginia)Used in summaryus-east-1$0.333$0.266▼ 20%
US West (Oregon)us-west-2$0.333$0.266▼ 20%
EU (Ireland)eu-west-1$0.371$0.2964▼ 20%
US West (N. California)us-west-1$0.371$0.2964▼ 20%
Asia Pacific (Mumbai)ap-south-1$0.379$0.274▼ 28%
Asia Pacific (Seoul)ap-northeast-2$0.399$0.32▼ 20%
Asia Pacific (Singapore)ap-southeast-1$0.399$0.32▼ 20%
Asia Pacific (Sydney)ap-southeast-2$0.399$0.3192▼ 20%
Asia Pacific (Tokyo)ap-northeast-1$0.399$0.32▼ 20%
AWS GovCloud (US-West)us-gov-west-1$0.399$0.3192▼ 20%
EU (Frankfurt)eu-central-1$0.4$0.3201▼ 20%
South America (Sao Paulo)sa-east-1$0.7$0.56▼ 20%

Keep exploring

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

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

Compare r4.xlarge with

c4.xlargem4.xlarger5.xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 44–57% 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.