r5a.4xlarge
Amazon EC2 · R5a family
The r5a.4xlarge is a memory optimized Amazon EC2 instance type with 16 vCPUs and 128 GiB of memory, running on AMD EPYC 7571 with up to 10 Gigabit networking, starting at $0.572 per hour on demand.
- vCPUs
- 16
- memory
- 128 GiB
- processor
- AMD
- on-demand
- $0.904
- spot
- $0.3918
- 1-yr reserved
- $0.57
dedicated
8 GiB per vCPU
2.5 GHz
$660/mo · us-east-1
−57% vs on-demand
−37% vs on-demand
r5a.4xlarge price by region
18 regions · hourly list prices in USD · On-demand · Spot · 1-yr Reserved · 3-yr Reserved
| Asia Pacific (Mumbai)ap-south-1cheapestAsia | $0.572 | $0.2487 | $0.359 | $0.247 |
| US East (N. Virginia)us-east-1referenceNorth America | $0.904 | $0.3918 | $0.57 | $0.391 |
| US East (Ohio)us-east-2North America | $0.904 | $0.3456 | $0.57 | $0.391 |
| US West (Oregon)us-west-2North America | $0.904 | $0.3678 | $0.57 | $0.391 |
| Canada (Central)ca-central-1North America | $0.992 | $0.3266 | $0.625 | $0.429 |
| US West (N. California)us-west-1North America | $1.008 | $0.3462 | $0.635 | $0.435 |
| EU (Ireland)eu-west-1Europe | $1.016 | $0.4769 | $0.64 | $0.439 |
| EU (London)eu-west-2Europe | $1.064 | $0.389 | $0.67 | $0.46 |
| EU (Milan)eu-south-1Europe | $1.064 | $0.1322 | $0.67 | $0.46 |
| EU (Paris)eu-west-3Europe | $1.064 | $0.2748 | $0.67 | $0.46 |
| Asia Pacific (Seoul)ap-northeast-2Asia | $1.088 | $0.5028 | $0.685 | $0.47 |
| Asia Pacific (Singapore)ap-southeast-1Asia | $1.088 | $0.5219 | $0.685 | $0.47 |
| Asia Pacific (Sydney)ap-southeast-2Oceania | $1.088 | $0.4806 | $0.685 | $0.47 |
| AWS GovCloud (US-East)us-gov-east-1North America | $1.088 | – | $0.685 | $0.47 |
| AWS GovCloud (US)us-gov-west-1North America | $1.088 | – | $0.685 | $0.47 |
| Asia Pacific (Tokyo)ap-northeast-1Asia | $1.096 | $0.4815 | $0.689 | $0.473 |
| EU (Frankfurt)eu-central-1Europe | $1.096 | $0.4736 | $0.689 | $0.473 |
| South America (Sao Paulo)sa-east-1South America | $1.448 | $0.1448 | $0.912 | $0.626 |
Specifications
compute
- vCPUs
- 16
- Memory
- 128 GiB
- Memory per vCPU
- 8 GiB
- Processor
- AMD EPYC 7571
- CPU vendor
- AMD
- Architecture
- x86-64
- Clock speed
- 2.5 GHz
- Burstable CPU
- No
storage & network
- Local storage
- Network storage only
- Storage detail
- EBS only
- Network
- Up to 10 Gigabit
- Peak bandwidth
- 10 Gbps
aws details
- API name
r5a.4xlarge- Family
- R5a
- Category
- Memory optimized
- Generation
- Current
- Regions
- 18 (Asia, Europe, North America, Oceania, South America)
- Cheapest region
- Asia Pacific (Mumbai) · $0.572/hr
- Dedicated EBS throughput
- Up to 2120 Mbps
- Enhanced networking
- Yes
- Normalization size factor
- 32
- Processor features
- AVX; AVX2; AMD Turbo
- Spot interruption rate (us-east-1)
- >20%
- Spot savings vs on-demand (us-east-1)
- 58%
r5a.4xlarge equivalents on other clouds
closest match by vCPU, memory, CPU architecture, accelerator and class · Linux on-demand in each provider's reference region
| Provider | Instance | vCPU | Memory | Processor | On-demand | vs r5a.4xlarge |
|---|---|---|---|---|---|---|
| AWS | r5a.4xlarge | 16 | 128 GiB | AMD EPYC 7571 | $0.904 | – |
| Azure | E16as v5 | 16 | 128 GiB | AMD EPYC 7763v (Milan) | $0.904 | 0% |
| E16as v6 | 16 | 128 GiB | AMD EPYC 9004 (Genoa) | $0.954 | +6% | |
| Google Cloud | e2-highmem-16 | 16 | 128 GiB | AMD Rome, Intel Broadwell, Intel Haswell, Intel Skylake | $0.7232 | -20% |
| n4d-highmem-16 | 16 | 128 GiB | AMD Turin | $0.8894 | -2% | |
| Akamai | Linode 300GB300 GiB (2.3×) | 16 | 300 GiB | AMD EPYC | $1.44 | +59% |
| G8 Dedicated 64x1664 GiB (2× less) | 16 | 64 GiB | AMD EPYC | $0.84 | -7% | |
| Vultr | vx1-m-16c-128gb | 16 | 128 GiB | AMD EPYC | $0.64 | -29% |
| vx1-m-16c-128g-960s | 16 | 128 GiB | AMD EPYC | $0.772 | -15% |
R5a family sizes
| Size | vCPU | Memory | Local storage | On-demand | Monthly | Spot | 1-yr |
|---|---|---|---|---|---|---|---|
| r5a.large | 2 | 16 GiB | – | $0.113 | $82.49 | $0.0514 | $0.071 |
| r5a.xlarge | 4 | 32 GiB | – | $0.226 | $165 | $0.1026 | $0.142 |
| r5a.2xlarge | 8 | 64 GiB | – | $0.452 | $330 | $0.2212 | $0.285 |
| r5a.4xlarge | 16 | 128 GiB | – | $0.904 | $660 | $0.3918 | $0.57 |
| r5a.8xlarge | 32 | 256 GiB | – | $1.808 | $1,320 | $0.775 | $1.139 |
| r5a.12xlarge | 48 | 384 GiB | – | $2.712 | $1,980 | $1.252 | $1.709 |
| r5a.16xlarge | 64 | 512 GiB | – | $3.616 | $2,640 | $1.547 | $2.278 |
| r5a.24xlarge | 96 | 768 GiB | – | $5.424 | $3,960 | $1.97 | $3.417 |
Similar instance types on AWS
other AWS families with a similar shape, cheapest first
r5a.4xlarge FAQ
How much does r5a.4xlarge cost?
r5a.4xlarge costs $0.904 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $660 per month. Across 18 regions the Linux on-demand price ranges from $0.572 in Asia Pacific (Mumbai) to $1.448 in South America (Sao Paulo). Spot capacity costs $0.3918 per hour (57% less), but can be reclaimed. A 1-yr Reserved commitment brings it to $0.57 per hour. With Windows it costs $1.64 per hour.
How many vCPUs and how much memory does r5a.4xlarge have?
r5a.4xlarge has 16 vCPUs and 128 GiB of memory (8 GiB per vCPU), running on AMD EPYC 7571. It is a memory optimized instance type in the R5a family.
What is the cheapest region for r5a.4xlarge?
Asia Pacific (Mumbai) (ap-south-1) at $0.572 per hour for Linux on demand, 37% less than US East (N. Virginia). r5a.4xlarge is sold in 18 AWS regions.
What are the equivalents of r5a.4xlarge on other clouds?
The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E16as v5 (16 vCPU, 128 GiB, $0.904/hour in East US); on Google Cloud, e2-highmem-16 (16 vCPU, 128 GiB, $0.7232/hour in Iowa); on Akamai, Linode 300GB (16 vCPU, 300 GiB, $1.44/hour in Newark, NJ); on Vultr, vx1-m-16c-128gb (16 vCPU, 128 GiB, $0.64/hour in New Jersey).