cache.r4.4xlargevscache.r5.4xlarge

cache.r5.4xlarge is 5% cheaper than cache.r4.4xlarge on demand in US East (N. Virginia), saving $70.08 a month.

At a glancecache.r4.4xlargecache.r5.4xlarge
On-demand$1.82/hr$1.724/hr5% less
Size16 vCPUs, 101.38 GiB16 vCPUs, 105.81 GiB

Prices in US East (N. Virginia)

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

Optioncache.r4.4xlargecache.r5.4xlargecache.r5.4xlarge vs cache.r4.4xlarge
On-demandPay by the hour$1.82$1.724▼ 5%
1-yr reservedNo upfront—32% off$1.179—
3-yr reservedNo upfront—48% off$0.896—

Key differences

The biggest lead each one has.

Where cache.r4.4xlarge leads

No clear lead on the measures we compare.

Where cache.r5.4xlarge leads
On-demand price$1.724 vs $1.82 per hour
5% cheaper
Sustained clock3.1 GHz vs 2.3 GHz
35% higher
Memory (GiB)105.81 vs 101.38
4% higher

Specs

5 of 15 specs differ. Those are in bold.

Compute1 of 6 differcache.r4.4xlargecache.r5.4xlarge
vCPUs1616
Physical cores88
Threads per core22
CPU makerIntelIntel
Sustained clock2.3 GHz3.1 GHz
BurstableNoNo
Memory1 of 1 differcache.r4.4xlargecache.r5.4xlarge
Memory (GiB)101.38105.81
NetworkingAll 3 matchcache.r4.4xlargecache.r5.4xlarge
NetworkUp to 10 GigabitUp to 10 Gigabit
Network baseline5 Gbps5 Gbps
Network peak10 Gbps10 Gbps
Instance details2 of 4 differcache.r4.4xlargecache.r5.4xlarge
Familyr4r5
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor3225.6
Other1 of 1 differcache.r4.4xlargecache.r5.4xlarge
Hardware Basisr4.4xlarger5.4xlarge

On-demand prices by region

Cheapest for cache.r4.4xlarge first. Redis, USD per hour.

Regioncache.r4.4xlargecache.r5.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.82$1.724▼ 5%
US East (Ohio)us-east-2$1.82$1.724▼ 5%
US West (Oregon)us-west-2$1.82$1.724▼ 5%
Asia Pacific (Mumbai)ap-south-1$1.971$1.778▼ 10%
Canada (Central)ca-central-1$2.002$1.888▼ 6%
EU (Ireland)eu-west-1$2.028$1.921▼ 5%
US West (N. California)us-west-1$2.028$1.921▼ 5%
EU (London)eu-west-2$2.129$2.017▼ 5%
EU (Paris)eu-west-3$2.129$2.017▼ 5%
Asia Pacific (Osaka)ap-northeast-3$2.184$2.069▼ 5%
Asia Pacific (Seoul)ap-northeast-2$2.184$2.069▼ 5%
Asia Pacific (Singapore)ap-southeast-1$2.184$2.069▼ 5%
Asia Pacific (Sydney)ap-southeast-2$2.184$2.069▼ 5%
Asia Pacific (Tokyo)ap-northeast-1$2.184$2.069▼ 5%
AWS GovCloud (US-East)us-gov-east-1$2.184$2.069▼ 5%
AWS GovCloud (US-West)us-gov-west-1$2.184$2.069▼ 5%
EU (Frankfurt)eu-central-1$2.19$2.075▼ 5%
South America (Sao Paulo)sa-east-1$3.639$3.456▼ 5%

Keep exploring

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

cache.r4.4xlargeMemory optimized, r4 family
cache.r4.4xlarge prices and specsEvery size in the r4 family

Compare cache.r4.4xlarge with

cache.m4.4xlarge
cache.r5.4xlargeMemory optimized, r5 family
cache.r5.4xlarge prices and specsEvery size in the r5 family

Compare cache.r5.4xlarge with

cache.m5.4xlarge

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.