cache.r4.xlargevscache.r5.xlarge

cache.r5.xlarge is 5% cheaper than cache.r4.xlarge on demand in US East (N. Virginia), saving $17.52 a month.

At a glancecache.r4.xlargecache.r5.xlarge
On-demand$0.455/hr$0.431/hr5% less
Size4 vCPUs, 25.05 GiB4 vCPUs, 26.32 GiB

Prices in US East (N. Virginia)

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

Optioncache.r4.xlargecache.r5.xlargecache.r5.xlarge vs cache.r4.xlarge
On-demandPay by the hour$0.455$0.431▼ 5%
1-yr reservedNo upfront—32% off$0.295—
3-yr reservedNo upfront—48% off$0.224—

Key differences

The biggest lead each one has.

Where cache.r4.xlarge leads

No clear lead on the measures we compare.

Where cache.r5.xlarge leads
On-demand price$0.431 vs $0.455 per hour
5% cheaper
Sustained clock3.1 GHz vs 2.3 GHz
35% higher
Memory (GiB)26.32 vs 25.05
5% higher

Specs

5 of 15 specs differ. Those are in bold.

Compute1 of 6 differcache.r4.xlargecache.r5.xlarge
vCPUs44
Physical cores22
Threads per core22
CPU makerIntelIntel
Sustained clock2.3 GHz3.1 GHz
BurstableNoNo
Memory1 of 1 differcache.r4.xlargecache.r5.xlarge
Memory (GiB)25.0526.32
NetworkingAll 3 matchcache.r4.xlargecache.r5.xlarge
NetworkUp to 10 GigabitUp to 10 Gigabit
Network baseline1.25 Gbps1.25 Gbps
Network peak10 Gbps10 Gbps
Instance details2 of 4 differcache.r4.xlargecache.r5.xlarge
Familyr4r5
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor86.4
Other1 of 1 differcache.r4.xlargecache.r5.xlarge
Hardware Basisr4.xlarger5.xlarge

On-demand prices by region

Cheapest for cache.r4.xlarge first. Redis, USD per hour.

Regioncache.r4.xlargecache.r5.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.455$0.431▼ 5%
US East (Ohio)us-east-2$0.455$0.431▼ 5%
US West (Oregon)us-west-2$0.455$0.431▼ 5%
Asia Pacific (Mumbai)ap-south-1$0.493$0.445▼ 10%
Canada (Central)ca-central-1$0.501$0.472▼ 6%
EU (Ireland)eu-west-1$0.507$0.48▼ 5%
US West (N. California)us-west-1$0.507$0.48▼ 5%
EU (London)eu-west-2$0.532$0.504▼ 5%
EU (Paris)eu-west-3$0.532$0.504▼ 5%
Asia Pacific (Osaka)ap-northeast-3$0.546$0.517▼ 5%
Asia Pacific (Seoul)ap-northeast-2$0.546$0.517▼ 5%
Asia Pacific (Singapore)ap-southeast-1$0.546$0.517▼ 5%
Asia Pacific (Sydney)ap-southeast-2$0.546$0.517▼ 5%
Asia Pacific (Tokyo)ap-northeast-1$0.546$0.517▼ 5%
AWS GovCloud (US-East)us-gov-east-1$0.546$0.517▼ 5%
AWS GovCloud (US-West)us-gov-west-1$0.546$0.517▼ 5%
EU (Frankfurt)eu-central-1$0.547$0.518▼ 5%
South America (Sao Paulo)sa-east-1$0.91$0.864▼ 5%

Keep exploring

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

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

Compare cache.r4.xlarge with

cache.m4.xlarge
cache.r5.xlargeMemory optimized, r5 family
cache.r5.xlarge prices and specsEvery size in the r5 family

Compare cache.r5.xlarge with

cache.m5.xlarge

Pay the committed rate, with commitment protection

The best committed rate on these two is 0–48% below on-demand. Connect your cloud accounts to unlock greater savings with commitment protection.

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AWS ElastiCache Redis prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.