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r6g.4xlarge pricing and specs in Asia Pacific (Mumbai)

16 vCPU · 128 GiB · Up to 10 Gigabit · AWS Graviton2 Processor Graviton

$0.5200/hour on-demand · $380/month (Linux, Shared)

r6g.4xlarge is a memory-optimized EC2 instance with 16 vCPU and 128 GiB, generation 6 of the r family on AWS Graviton (Arm). On-demand it costs $0.5200 an hour, about $380 a month if it runs all month. A one-year commitment with nothing up front works out at $0.3276 an hour and pays for itself above roughly 459 hours a month; below that, on-demand is cheaper. The three-year options go down to $0.1955 an hour, 62% below on-demand. The newer r6a.4xlarge offers the same size for $0.5720 an hour, 10% more. Asia Pacific (Mumbai) is already the cheapest region for r6g.4xlarge.

Pricing by OS (hourly, USD, Shared)

OptionLinuxWindowsRHELSUSE
On-Demand$0.5200—$0.6928$0.6450
Spot$0.2704———
1y Std RI NU$0.3276—$0.5004$0.3876
1y Std RI PU$0.3120—$0.4849$0.3720
1y Std RI AU$0.3057—$0.4785$0.3656
3y Std RI NU$0.2246—$0.3974$0.2786
3y Std RI PU$0.2080—$0.3808$0.2620
3y Std RI AU$0.1955—$0.3683$0.2495
1y Conv RI NU$0.3765—$0.5493$0.4365
3y Conv RI NU$0.2689—$0.4417$0.3229
1y Compute SP NU$0.3765—$0.5493$0.4364
3y Compute SP NU$0.2689—$0.4417$0.3229
1y EC2 SP NU$0.3276—$0.5004$0.3875
3y EC2 SP NU$0.2246—$0.3974$0.2786

Spot by AZ (7-day p50, Linux): ap-south-1b $0.2898 · ap-south-1c $0.2247 · ap-south-1a $0.2704

Newer generations of the same size

Same family letter and size in a newer generation, ranked by price. “vCPU per $” uses vCPU as the performance proxy — newer chips usually add more, so it is a floor.

Already Graviton
Type$/hPrice ΔvCPU per $ ΔSaves / mo
r6a.4xlarge arch change$0.5720+10%-9%$-38
r6gd.4xlarge Graviton$0.5979+15%-13%$-57
r7g.4xlarge Graviton$0.6006+16%-13%$-59
r8g.4xlarge Graviton$0.6606+27%-21%$-103
r7gd.4xlarge Graviton$0.7040+35%-26%$-134
r8gd.4xlarge Graviton$0.7603+46%-32%$-175
r6i.4xlarge arch change$1.0400+100%-50%$-380
r8i-flex.4xlarge arch change$1.0893+109%-52%$-416

Cheapest regions for r6g.4xlarge

RegionOn-Demand $/hvs ap-south-1Saves / mo
Asia Pacific (Mumbai) ap-south-1$0.5200current—
Asia Pacific (Hyderabad) ap-south-2$0.52000.0%$0
US East (N. Virginia) us-east-1$0.8064+55%$-209
US East (Ohio) us-east-2$0.8064+55%$-209
US West (Oregon) us-west-2$0.8064+55%$-209
Asia Pacific (Malaysia) ap-southeast-5$0.8269+59%$-224

Caveat: instance price is only part of the bill. Cross-region and internet data transfer, latency to your users, data-residency rules and service availability can outweigh a few percent on compute.

Price history (ap-south-1)

Daily snapshots since the catalog started tracking this type; a row is added whenever a headline price changes.

DateOD LinuxOD Windows1y RI3y RISpot p50
2026-10-10$0.5200—$0.3276$0.2246$0.2704
2026-10-09$0.5200—$0.3276$0.2246$0.2701
2026-10-08$0.5200—$0.3276$0.2246$0.2691
2026-10-07$0.5200—$0.3276$0.2246$0.2644
2026-10-06$0.5200—$0.3276$0.2246$0.2554
2026-10-03$0.5200—$0.3276$0.2246$0.2545
2026-10-02$0.5200—$0.3276$0.2246$0.2547
2026-10-01$0.5200—$0.3276$0.2246$0.2605
2026-09-29$0.5200—$0.3276$0.2246$0.2613
2026-09-25$0.5200—$0.3276$0.2246$0.2602
2026-09-22$0.5200—$0.3276$0.2246$0.2591

All attributes

vCPU
16
Cores / threads per core
16 / 1
Memory
128 GiB
Memory per vCPU
8.00 GiB
Processor
AWS Graviton2 Processor
Architecture
arm64
Sustained clock
2.5 GHz
Hypervisor
nitro
Generation
Current
Burstable
No
Bare metal
No
Free tier eligible
No
Network performance
Up to 10 Gigabit
Network baseline / burst
5.0 / 10.0 Gbps
Max ENIs × IPv4 per ENI
8 × 30
IPv6 / ENA / EFA
IPv6 / ENA / —
EBS optimized
Yes
EBS bandwidth (baseline / max)
4750 / 4750 Mbps
EBS IOPS (baseline / max)
20,000 / 20000
EBS NVMe
required
Instance storage
EBS only
GPU
—
Placement groups
cluster, partition, spread
Hibernation / Nitro Enclaves
Yes / Yes
Dedicated hosts
Supported
Boot modes
uefi
Spot supported
Yes

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Public AWS list prices (USD), refreshed nightly (catalog 2026-10-10). RI and Savings Plan rates are effective hourly (upfront amortised over the term) and are charged for every hour of the term. Excludes taxes, data transfer and storage. How these numbers are sourced and checked. Not affiliated with Amazon Web Services.

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