r8g.4xlarge.searchvsr8gd.4xlarge.search

r8g.4xlarge.search is 20% cheaper than r8gd.4xlarge.search on demand in US East (N. Virginia), saving $282.51 a month.

At a glancer8g.4xlarge.searchr8gd.4xlarge.search
On-demand$1.565/hr20% less$1.952/hr
Lowest rate$0.814/hr20% less3-yr reserved, no upfront$1.015/hr3-yr reserved, no upfront
Size16 vCPUs, 128 GiB16 vCPUs, 128 GiB
Architecturearm64arm64

Prices in US East (N. Virginia)

“Off” is the discount against each type’s own on-demand price. standard option, USD per hour.

Optionr8g.4xlarge.searchr8gd.4xlarge.searchr8gd.4xlarge.search vs r8g.4xlarge.search
On-demandPay by the hour$1.565$1.952▲ 25%
1-yr reservedNo upfront31% off$1.0831% off$1.347▲ 25%
3-yr reservedNo upfront48% off$0.81448% off$1.015▲ 25%
1-yr savings planHourly commitment20% off$1.25220% off$1.562▲ 25%

Key differences

The biggest lead each one has.

Where r8g.4xlarge.search leads
On-demand price$1.565 vs $1.952 per hour
20% cheaper
Where r8gd.4xlarge.search leads

No clear lead on the measures we compare.

Specs

5 of 25 specs differ. Those are in bold.

ComputeAll 8 matchr8g.4xlarge.searchr8gd.4xlarge.search
vCPUs1616
Physical cores1616
Threads per core11
Architecturearm64arm64
CPU makerAWSAWS
Sustained clock2.8 GHz2.8 GHz
BurstableNoNo
ECUvariablevariable
MemoryAll 1 matchr8g.4xlarge.searchr8gd.4xlarge.search
Memory (GiB)128128
NetworkingAll 2 matchr8g.4xlarge.searchr8gd.4xlarge.search
Network baseline7.5 Gbps7.5 Gbps
Network peak15 Gbps15 Gbps
Storage2 of 8 differr8g.4xlarge.searchr8gd.4xlarge.search
StorageEBS Only1 x 950 NVMe SSD
Local disks–1 × 950 GB SSD
EBS baseline bandwidth5,000 Mbps5,000 Mbps
EBS max bandwidth10,000 Mbps10,000 Mbps
EBS baseline throughput625 MB/s625 MB/s
EBS max throughput1,250 MB/s1,250 MB/s
EBS baseline IOPS20,00020,000
EBS max IOPS40,00040,000
Cluster1 of 2 differr8g.4xlarge.searchr8gd.4xlarge.search
Node rolesData, Dedicated manager, CoordinatorData
UltraWarmYesYes
Instance details1 of 3 differr8g.4xlarge.searchr8gd.4xlarge.search
Familyr8gr8gd
CategoryMemory optimizedMemory optimized
Current generationYesYes
Other1 of 1 differr8g.4xlarge.searchr8gd.4xlarge.search
Hardware Basisr8g.4xlarger8gd.4xlarge

On-demand prices by region

Cheapest for r8g.4xlarge.search first. standard option, USD per hour.

Regionr8g.4xlarge.searchr8gd.4xlarge.searchDifference
Asia Pacific (Mumbai)ap-south-1$1.097$1.262▲ 15%
US East (N. Virginia)Used in summaryus-east-1$1.565$1.952▲ 25%
US East (Ohio)us-east-2$1.565$1.952▲ 25%
US West (Oregon)us-west-2$1.565$1.952▲ 25%
Asia Pacific (Malaysia)ap-southeast-5$1.605$2.005▲ 25%
EU (Stockholm)eu-north-1$1.664$2.06▲ 24%
Canada West (Calgary)ca-west-1$1.714$2.141▲ 25%
Canada (Central)ca-central-1$1.714$2.142▲ 25%
US West (N. California)us-west-1$1.739$2.196▲ 26%
EU (Ireland)eu-west-1$1.751$2.169▲ 24%
Europe (Spain)eu-south-2$1.751$2.169▲ 24%
EU (Milan)eu-south-1$1.833$2.277▲ 24%
EU (London)eu-west-2$1.838$2.29▲ 25%
EU (Paris)eu-west-3$1.838$2.291▲ 25%
AWS GovCloud (US-East)us-gov-east-1$1.875$2.345▲ 25%
AWS GovCloud (US-West)us-gov-west-1$1.875$2.345▲ 25%
Asia Pacific (Melbourne)ap-southeast-4$1.876$2.358▲ 26%
Asia Pacific (Sydney)ap-southeast-2$1.876$2.246▲ 20%
Asia Pacific (Jakarta)ap-southeast-3$1.888$2.358▲ 25%
Asia Pacific (Osaka)ap-northeast-3$1.888$2.358▲ 25%
Asia Pacific (Seoul)ap-northeast-2$1.888$2.345▲ 24%
Asia Pacific (Singapore)ap-southeast-1$1.888$2.358▲ 25%
Asia Pacific (Tokyo)ap-northeast-1$1.888$2.359▲ 25%
EU (Frankfurt)eu-central-1$1.888$2.345▲ 24%
Asia Pacific (Hong Kong)ap-east-1$2.075$2.372▲ 14%
Europe (Zurich)eu-central-2$2.076$2.579▲ 24%
Africa (Cape Town)af-south-1$2.086$2.575▲ 23%
South America (Sao Paulo)sa-east-1$2.49$3.091▲ 24%

Keep exploring

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

r8g.4xlarge.searchMemory optimized, r8g family
r8g.4xlarge.search prices and specsEvery size in the r8g family

Compare r8g.4xlarge.search with

c8g.4xlarge.searchm8g.4xlarge.searchr7g.4xlarge.search
r8gd.4xlarge.searchMemory optimized, r8gd family
r8gd.4xlarge.search prices and specsEvery size in the r8gd family

Compare r8gd.4xlarge.search with

r7gd.4xlarge.search

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.

Connect AWS account

AWS OpenSearch standard option prices in USD. Monthly figures use 730 hours. Prices last updated 12 Nov 2026.