cache.r8g.12xlargevscache.r8gd.12xlarge

At a glancecache.r8g.12xlargecache.r8gd.12xlarge
Size48 vCPUs, 377.9 GiB48 vCPUs, 377.9 GiB
Architecturearm64arm64

Key differences

The biggest lead each one has.

Where cache.r8g.12xlarge leads

No clear lead on the measures we compare.

Where cache.r8gd.12xlarge leads

No clear lead on the measures we compare.

Specs

3 of 17 specs differ. Those are in bold.

ComputeAll 7 matchcache.r8g.12xlargecache.r8gd.12xlarge
vCPUs4848
Physical cores4848
Threads per core11
Architecturearm64arm64
CPU makerAWSAWS
Sustained clock2.8 GHz2.8 GHz
BurstableNoNo
MemoryAll 1 matchcache.r8g.12xlargecache.r8gd.12xlarge
Memory (GiB)377.9377.9
NetworkingAll 3 matchcache.r8g.12xlargecache.r8gd.12xlarge
Network22.5 Gigabit22.5 Gigabit
Network baseline22.5 Gbps22.5 Gbps
Network peak22.5 Gbps22.5 Gbps
Storage1 of 1 differcache.r8g.12xlargecache.r8gd.12xlarge
Local disks–3 × 950 GB SSD
Instance details1 of 4 differcache.r8g.12xlargecache.r8gd.12xlarge
Familyr8gr8gd
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor76.876.8
Other1 of 1 differcache.r8g.12xlargecache.r8gd.12xlarge
Hardware Basisr8g.12xlarger8gd.12xlarge

Keep exploring

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

cache.r8g.12xlargeMemory optimized, r8g family
cache.r8g.12xlarge prices and specsEvery size in the r8g family

Compare cache.r8g.12xlarge with

cache.m8g.12xlargecache.r7g.12xlarge
cache.r8gd.12xlargeMemory optimized, r8gd family
cache.r8gd.12xlarge prices and specsEvery size in the r8gd family

Compare cache.r8gd.12xlarge with

cache.r7gd.12xlarge

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