cache.r7g.16xlargevscache.r8g.16xlarge

cache.r7g.16xlarge is 1% cheaper than cache.r8g.16xlarge on demand in US East (N. Virginia), saving $30.00 a month.

At a glancecache.r7g.16xlargecache.r8g.16xlarge
On-demand$6.981/hr1% less$7.022/hr
Lowest rate$3.63/hr1% less3-yr reserved, no upfront$3.651/hr3-yr reserved, no upfront
Size64 vCPUs, 419.09 GiB64 vCPUs, 504.52 GiB
Architecturearm64arm64

Prices in US East (N. Virginia)

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

Optioncache.r7g.16xlargecache.r8g.16xlargecache.r8g.16xlarge vs cache.r7g.16xlarge
On-demandPay by the hour$6.981$7.022▲ 1%
1-yr reservedNo upfront32% off$4.74732% off$4.775▲ 1%
3-yr reservedNo upfront48% off$3.6348% off$3.651▲ 1%

Key differences

The biggest lead each one has.

Where cache.r7g.16xlarge leads
On-demand price$6.981 vs $7.022 per hour
1% cheaper
Where cache.r8g.16xlarge leads
Memory (GiB)504.52 vs 419.09
20% higher
Sustained clock2.8 GHz vs 2.6 GHz
8% higher

Specs

4 of 16 specs differ. Those are in bold.

Compute1 of 7 differcache.r7g.16xlargecache.r8g.16xlarge
vCPUs6464
Physical cores6464
Threads per core11
Architecturearm64arm64
CPU makerAWSAWS
Sustained clock2.6 GHz2.8 GHz
BurstableNoNo
Memory1 of 1 differcache.r7g.16xlargecache.r8g.16xlarge
Memory (GiB)419.09504.52
NetworkingAll 3 matchcache.r7g.16xlargecache.r8g.16xlarge
Network30 Gigabit30 Gigabit
Network baseline30 Gbps30 Gbps
Network peak30 Gbps30 Gbps
Instance details1 of 4 differcache.r7g.16xlargecache.r8g.16xlarge
Familyr7gr8g
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor128128
Other1 of 1 differcache.r7g.16xlargecache.r8g.16xlarge
Hardware Basisr7g.16xlarger8g.16xlarge

On-demand prices by region

Cheapest for cache.r7g.16xlarge first. Redis, USD per hour.

Regioncache.r7g.16xlargecache.r8g.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$6.981$7.022▲ 1%
US East (Ohio)us-east-2$6.981$7.022▲ 1%
US West (N. California)us-west-1$6.981$7.802▲ 12%
US West (Oregon)us-west-2$6.981$7.022▲ 1%
Asia Pacific (Malaysia)ap-southeast-5$7.115$7.20▲ 1%
Asia Pacific (Thailand)ap-southeast-7$7.115$7.20▲ 1%
Asia Pacific (Mumbai)ap-south-1$7.174$6.093▼ 15%
Asia Pacific (Hyderabad)ap-south-2$7.175$6.12▼ 15%
Mexico (Central)mx-central-1$7.33$7.372▲ 1%
EU (Stockholm)eu-north-1$7.387$7.467▲ 1%
Canada (Central)ca-central-1$7.626$7.691▲ 1%
Canada West (Calgary)ca-west-1$7.626$7.691▲ 1%
EU (Ireland)eu-west-1$7.789$7.858▲ 1%
Europe (Spain)eu-south-2$7.789$7.854▲ 1%
EU (Milan)eu-south-1$8.148$8.228▲ 1%
EU (Paris)eu-west-3$8.148$8.248▲ 1%
EU (London)eu-west-2$8.175$8.248▲ 1%
AWS GovCloud (US-East)us-gov-east-1$8.357$8.415▲ 1%
AWS GovCloud (US-West)us-gov-west-1$8.357$8.415▲ 1%
Asia Pacific (Seoul)ap-northeast-2$8.358$8.47▲ 1%
Asia Pacific (Sydney)ap-southeast-2$8.37$8.416▲ 1%
Asia Pacific (Tokyo)ap-northeast-1$8.37$8.47▲ 1%
Asia Pacific (Jakarta)ap-southeast-3$8.37$8.47▲ 1%
Asia Pacific (Melbourne)ap-southeast-4$8.37$8.415▲ 1%
Asia Pacific (Singapore)ap-southeast-1$8.371$8.47▲ 1%
Asia Pacific (Osaka)ap-northeast-3$8.38$8.47▲ 1%
EU (Frankfurt)eu-central-1$8.402$8.47▲ 1%
Asia Pacific (New Zealand)ap-southeast-6$8.789$8.836▲ 1%
Asia Pacific (Hong Kong)ap-east-1$9.193$9.309▲ 1%
Europe (Zurich)eu-central-2$9.242$9.318▲ 1%
Africa (Cape Town)af-south-1$9.278$9.362▲ 1%
South America (Sao Paulo)sa-east-1$13.961$11.175▼ 20%

Keep exploring

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

cache.r7g.16xlargeMemory optimized, r7g family
cache.r7g.16xlarge prices and specsEvery size in the r7g family

Compare cache.r7g.16xlarge with

cache.m7g.16xlargecache.r7gd.16xlargecache.r6g.16xlarge
cache.r8g.16xlargeMemory optimized, r8g family
cache.r8g.16xlarge prices and specsEvery size in the r8g family

Compare cache.r8g.16xlarge with

cache.m8g.16xlargecache.r8gd.16xlarge

Pay the committed rate, with commitment protection

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