cache.c7gn.4xlargevscache.c8gn.4xlarge

cache.c8gn.4xlarge is 10% cheaper than cache.c7gn.4xlarge on demand in US East (N. Virginia), saving $146.15 a month.

At a glancecache.c7gn.4xlargecache.c8gn.4xlarge
On-demand$2.037/hr$1.837/hr10% less
Lowest rate$1.059/hr3-yr reserved, no upfront$0.9551/hr10% less3-yr reserved, no upfront
Size16 vCPUs, 26.05 GiB16 vCPUs, 29.68 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.4xlargecache.c8gn.4xlargecache.c8gn.4xlarge vs cache.c7gn.4xlarge
On-demandPay by the hour$2.037$1.837▼ 10%
1-yr reservedNo upfront32% off$1.38532% off$1.249▼ 10%
3-yr reservedNo upfront48% off$1.05948% off$0.9551▼ 10%

Key differences

The biggest lead each one has.

Where cache.c7gn.4xlarge leads

No clear lead on the measures we compare.

Where cache.c8gn.4xlarge leads
On-demand price$1.837 vs $2.037 per hour
10% cheaper
Memory (GiB)29.68 vs 26.05
14% 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.c7gn.4xlargecache.c8gn.4xlarge
vCPUs1616
Physical cores1616
Threads per core11
Architecturearm64arm64
CPU makerAWSAWS
Sustained clock2.6 GHz2.8 GHz
BurstableNoNo
Memory1 of 1 differcache.c7gn.4xlargecache.c8gn.4xlarge
Memory (GiB)26.0529.68
NetworkingAll 3 matchcache.c7gn.4xlargecache.c8gn.4xlarge
Network50 Gigabit50 Gigabit
Network baseline50 Gbps50 Gbps
Network peak50 Gbps50 Gbps
Instance details1 of 4 differcache.c7gn.4xlargecache.c8gn.4xlarge
Familyc7gnc8gn
CategoryNetwork optimizedNetwork optimized
Current generationYesYes
Normalization factor3232
Other1 of 1 differcache.c7gn.4xlargecache.c8gn.4xlarge
Hardware Basisc7gn.4xlargec8gn.4xlarge

On-demand prices by region

Cheapest for cache.c7gn.4xlarge first. Redis, USD per hour.

Regioncache.c7gn.4xlargecache.c8gn.4xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$2.037$1.837▼ 10%
US East (Ohio)us-east-2$2.037$1.837▼ 10%
US West (Oregon)us-west-2$2.037$1.837▼ 10%
EU (Ireland)eu-west-1$2.301$2.075▼ 10%

Keep exploring

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

cache.c7gn.4xlargeNetwork optimized, c7gn family
cache.c7gn.4xlarge prices and specsEvery size in the c7gn family
cache.c8gn.4xlargeNetwork optimized, c8gn family
cache.c8gn.4xlarge 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.