cache.c7gn.2xlargevscache.c8gn.2xlarge

cache.c8gn.2xlarge is 10% cheaper than cache.c7gn.2xlarge on demand in US East (N. Virginia), saving $72.71 a month.

At a glancecache.c7gn.2xlargecache.c8gn.2xlarge
On-demand$1.018/hr$0.9184/hr10% less
Lowest rate$0.529/hr3-yr reserved, no upfront$0.4776/hr10% less3-yr reserved, no upfront
Size8 vCPUs, 12.94 GiB8 vCPUs, 14.18 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.2xlargecache.c8gn.2xlargecache.c8gn.2xlarge vs cache.c7gn.2xlarge
On-demandPay by the hour$1.018$0.9184▼ 10%
1-yr reservedNo upfront32% off$0.69232% off$0.6245▼ 10%
3-yr reservedNo upfront48% off$0.52948% off$0.4776▼ 10%

Key differences

The biggest lead each one has.

Where cache.c7gn.2xlarge leads

No clear lead on the measures we compare.

Where cache.c8gn.2xlarge leads
On-demand price$0.9184 vs $1.018 per hour
10% cheaper
Memory (GiB)14.18 vs 12.94
10% 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.2xlargecache.c8gn.2xlarge
vCPUs88
Physical cores88
Threads per core11
Architecturearm64arm64
CPU makerAWSAWS
Sustained clock2.6 GHz2.8 GHz
BurstableNoNo
Memory1 of 1 differcache.c7gn.2xlargecache.c8gn.2xlarge
Memory (GiB)12.9414.18
NetworkingAll 3 matchcache.c7gn.2xlargecache.c8gn.2xlarge
NetworkUp to 50 GigabitUp to 50 Gigabit
Network baseline25 Gbps25 Gbps
Network peak50 Gbps50 Gbps
Instance details1 of 4 differcache.c7gn.2xlargecache.c8gn.2xlarge
Familyc7gnc8gn
CategoryNetwork optimizedNetwork optimized
Current generationYesYes
Normalization factor1616
Other1 of 1 differcache.c7gn.2xlargecache.c8gn.2xlarge
Hardware Basisc7gn.2xlargec8gn.2xlarge

On-demand prices by region

Cheapest for cache.c7gn.2xlarge first. Redis, USD per hour.

Regioncache.c7gn.2xlargecache.c8gn.2xlargeDifference
US East (N. Virginia)Used in summaryus-east-1$1.018$0.9184▼ 10%
US East (Ohio)us-east-2$1.018$0.9184▼ 10%
US West (Oregon)us-west-2$1.018$0.9184▼ 10%
EU (Ireland)eu-west-1$1.151$1.038▼ 10%

Keep exploring

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

cache.c7gn.2xlargeNetwork optimized, c7gn family
cache.c7gn.2xlarge prices and specsEvery size in the c7gn family
cache.c8gn.2xlargeNetwork optimized, c8gn family
cache.c8gn.2xlarge 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.