cache.r8g.16xlargevscache.r8gd.16xlarge

At a glancecache.r8g.16xlargecache.r8gd.16xlarge
Size64 vCPUs, 504.52 GiB64 vCPUs, 504.52 GiB
Architecturearm64arm64

Key differences

The biggest lead each one has.

Where cache.r8g.16xlarge leads

No clear lead on the measures we compare.

Where cache.r8gd.16xlarge leads

No clear lead on the measures we compare.

Specs

4 of 17 specs differ. Those are in bold.

ComputeAll 7 matchcache.r8g.16xlargecache.r8gd.16xlarge
vCPUs6464
Physical cores6464
Threads per core11
Architecturearm64arm64
CPU makerAWSAWS
Sustained clock2.8 GHz2.8 GHz
BurstableNoNo
MemoryAll 1 matchcache.r8g.16xlargecache.r8gd.16xlarge
Memory (GiB)504.52504.52
NetworkingAll 3 matchcache.r8g.16xlargecache.r8gd.16xlarge
Network30 Gigabit30 Gigabit
Network baseline30 Gbps30 Gbps
Network peak30 Gbps30 Gbps
Storage1 of 1 differcache.r8g.16xlargecache.r8gd.16xlarge
Local disks–2 × 1,900 GB SSD
Instance details2 of 4 differcache.r8g.16xlargecache.r8gd.16xlarge
Familyr8gr8gd
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor128102.4
Other1 of 1 differcache.r8g.16xlargecache.r8gd.16xlarge
Hardware Basisr8g.16xlarger8gd.16xlarge

Keep exploring

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

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.r7g.16xlarge
cache.r8gd.16xlargeMemory optimized, r8gd family
cache.r8gd.16xlarge prices and specsEvery size in the r8gd family

Compare cache.r8gd.16xlarge with

cache.r7gd.16xlarge

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