cache.r8g.4xlargevscache.r8gd.4xlarge

At a glancecache.r8g.4xlargecache.r8gd.4xlarge
Size16 vCPUs, 124.65 GiB16 vCPUs, 124.65 GiB
Architecturearm64arm64

Key differences

The biggest lead each one has.

Where cache.r8g.4xlarge leads

No clear lead on the measures we compare.

Where cache.r8gd.4xlarge leads

No clear lead on the measures we compare.

Specs

3 of 17 specs differ. Those are in bold.

ComputeAll 7 matchcache.r8g.4xlargecache.r8gd.4xlarge
vCPUs1616
Physical cores1616
Threads per core11
Architecturearm64arm64
CPU makerAWSAWS
Sustained clock2.8 GHz2.8 GHz
BurstableNoNo
MemoryAll 1 matchcache.r8g.4xlargecache.r8gd.4xlarge
Memory (GiB)124.65124.65
NetworkingAll 3 matchcache.r8g.4xlargecache.r8gd.4xlarge
NetworkUp to 15 GigabitUp to 15 Gigabit
Network baseline7.5 Gbps7.5 Gbps
Network peak15 Gbps15 Gbps
Storage1 of 1 differcache.r8g.4xlargecache.r8gd.4xlarge
Local disks–1 × 950 GB SSD
Instance details1 of 4 differcache.r8g.4xlargecache.r8gd.4xlarge
Familyr8gr8gd
CategoryMemory optimizedMemory optimized
Current generationYesYes
Normalization factor25.625.6
Other1 of 1 differcache.r8g.4xlargecache.r8gd.4xlarge
Hardware Basisr8g.4xlarger8gd.4xlarge

Keep exploring

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

cache.r8g.4xlargeMemory optimized, r8g family
cache.r8g.4xlarge prices and specsEvery size in the r8g family

Compare cache.r8g.4xlarge with

cache.m8g.4xlargecache.r7g.4xlarge
cache.r8gd.4xlargeMemory optimized, r8gd family
cache.r8gd.4xlarge prices and specsEvery size in the r8gd family

Compare cache.r8gd.4xlarge with

cache.r7gd.4xlarge

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