cache.m4.xlargevscache.r4.xlarge

cache.m4.xlarge is 32% cheaper than cache.r4.xlarge on demand in US East (N. Virginia), saving $105.12 a month.

At a glancecache.m4.xlargecache.r4.xlarge
On-demand$0.311/hr32% less$0.455/hr
Size4 vCPUs, 14.28 GiB4 vCPUs, 25.05 GiB

Prices in US East (N. Virginia)

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

Optioncache.m4.xlargecache.r4.xlargecache.r4.xlarge vs cache.m4.xlarge
On-demandPay by the hour$0.311$0.455▲ 46%

Key differences

The biggest lead each one has.

Where cache.m4.xlarge leads
On-demand price$0.311 vs $0.455 per hour
32% cheaper
Sustained clock2.4 GHz vs 2.3 GHz
4% higher
Where cache.r4.xlarge leads
Network peak10 Gbps vs 2.8 Gbps
3.6× higher
Memory (GiB)25.05 vs 14.28
75% higher

Specs

8 of 15 specs differ. Those are in bold.

Compute1 of 6 differcache.m4.xlargecache.r4.xlarge
vCPUs44
Physical cores22
Threads per core22
CPU makerIntelIntel
Sustained clock2.4 GHz2.3 GHz
BurstableNoNo
Memory1 of 1 differcache.m4.xlargecache.r4.xlarge
Memory (GiB)14.2825.05
Networking3 of 3 differcache.m4.xlargecache.r4.xlarge
NetworkHighUp to 10 Gigabit
Network baseline0.75 Gbps1.25 Gbps
Network peak2.8 Gbps10 Gbps
Instance details2 of 4 differcache.m4.xlargecache.r4.xlarge
Familym4r4
CategoryStandardMemory optimized
Current generationYesYes
Normalization factor88
Other1 of 1 differcache.m4.xlargecache.r4.xlarge
Hardware Basism4.xlarger4.xlarge

On-demand prices by region

Cheapest for cache.m4.xlarge first. Redis, USD per hour.

Regioncache.m4.xlargecache.r4.xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$0.311$0.455▲ 46%
US East (Ohio)us-east-2$0.311$0.455▲ 46%
US West (Oregon)us-west-2$0.311$0.455▲ 46%
Canada (Central)ca-central-1$0.342$0.501▲ 46%
EU (Ireland)eu-west-1$0.343$0.507▲ 48%
EU (London)eu-west-2$0.36$0.532▲ 48%
US West (N. California)us-west-1$0.363$0.507▲ 40%
EU (Frankfurt)eu-central-1$0.371$0.547▲ 47%
Asia Pacific (Seoul)ap-northeast-2$0.43$0.546▲ 27%
Asia Pacific (Sydney)ap-southeast-2$0.437$0.546▲ 25%
Asia Pacific (Mumbai)ap-south-1$0.438$0.493▲ 13%
South America (Sao Paulo)sa-east-1$0.445$0.91▲ 104%
Asia Pacific (Tokyo)ap-northeast-1$0.452$0.546▲ 21%
Asia Pacific (Singapore)ap-southeast-1$0.462$0.546▲ 18%

Keep exploring

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

cache.m4.xlargeStandard, m4 family
cache.m4.xlarge prices and specsEvery size in the m4 family

Compare cache.m4.xlarge with

cache.m5.xlarge
cache.r4.xlargeMemory optimized, r4 family
cache.r4.xlarge prices and specsEvery size in the r4 family

Compare cache.r4.xlarge with

cache.r5.xlarge

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