cache.c7gn.16xlargevscache.c8gn.16xlarge

cache.c8gn.16xlarge is 10% cheaper than cache.c7gn.16xlarge on demand in US East (N. Virginia), saving $583.85 a month.

At a glancecache.c7gn.16xlargecache.c8gn.16xlarge
On-demand$8.147/hr$7.347/hr10% less
Lowest rate$4.236/hr3-yr reserved, no upfront$3.821/hr10% less3-yr reserved, no upfront
Size64 vCPUs, 105.81 GiB64 vCPUs, 124.65 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.c7gn.16xlargecache.c8gn.16xlargecache.c8gn.16xlarge vs cache.c7gn.16xlarge
On-demandPay by the hour$8.147$7.347▼ 10%
1-yr reservedNo upfront32% off$5.5432% off$4.996▼ 10%
3-yr reservedNo upfront48% off$4.23648% off$3.821▼ 10%

Key differences

The biggest lead each one has.

Where cache.c7gn.16xlarge leads

No clear lead on the measures we compare.

Where cache.c8gn.16xlarge leads
On-demand price$7.347 vs $8.147 per hour
10% cheaper
Memory (GiB)124.65 vs 105.81
18% higher
Sustained clock2.8 GHz vs 2.6 GHz
8% higher

Specs

5 of 16 specs differ. Those are in bold.

Compute1 of 7 differcache.c7gn.16xlargecache.c8gn.16xlarge
vCPUs6464
Physical cores6464
Threads per core11
Architecturearm64arm64
CPU makerAWSAWS
Sustained clock2.6 GHz2.8 GHz
BurstableNoNo
Memory1 of 1 differcache.c7gn.16xlargecache.c8gn.16xlarge
Memory (GiB)105.81124.65
NetworkingAll 3 matchcache.c7gn.16xlargecache.c8gn.16xlarge
Network200 Gigabit200 Gigabit
Network baseline200 Gbps200 Gbps
Network peak200 Gbps200 Gbps
Instance details2 of 4 differcache.c7gn.16xlargecache.c8gn.16xlarge
Familyc7gnc8gn
CategoryNetwork optimizedNetwork optimized
Current generationYesYes
Normalization factor128102.4
Other1 of 1 differcache.c7gn.16xlargecache.c8gn.16xlarge
Hardware Basisc7gn.16xlargec8gn.16xlarge

On-demand prices by region

Cheapest for cache.c7gn.16xlarge first. Redis, USD per hour.

Regioncache.c7gn.16xlargecache.c8gn.16xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$8.147$7.347▼ 10%
US East (Ohio)us-east-2$8.147$7.347▼ 10%
US West (Oregon)us-west-2$8.147$7.347▼ 10%
EU (Ireland)eu-west-1$9.204$8.301▼ 10%

Keep exploring

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

cache.c7gn.16xlargeNetwork optimized, c7gn family
cache.c7gn.16xlarge prices and specsEvery size in the c7gn family
cache.c8gn.16xlargeNetwork optimized, c8gn family
cache.c8gn.16xlarge prices and specsEvery size in the c8gn family

Pay the committed rate, with commitment protection

The best committed rate on these two is 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.