r8a.4xlarge
Amazon EC2 · R8a family
The r8a.4xlarge is a memory optimized Amazon EC2 instance type with 16 vCPUs and 128 GiB of memory, running on AMD EPYC 9R45 Processor with up to 15 Gigabit networking, starting at $1.278 per hour on demand.
- vCPUs
- 16
- memory
- 128 GiB
- processor
- AMD
- on-demand
- $1.278
- spot
- –
- regions
- 9
dedicated
8 GiB per vCPU
x86-64
$933/mo · us-east-1
not offered
across 3 areas
r8a.4xlarge price by region
9 regions · hourly list prices in USD · On-demand · Spot · 1-yr Reserved · 3-yr Reserved
| US East (N. Virginia)us-east-1cheapestreferenceNorth America | $1.278 |
| US East (Ohio)us-east-2cheapestNorth America | $1.278 |
| US West (Oregon)us-west-2cheapestNorth America | $1.278 |
| Asia Pacific (Taipei)ap-east-2Asia | $1.388 |
| Canada (Central)ca-central-1North America | $1.40 |
| EU (Ireland)eu-west-1Europe | $1.43 |
| EU (Spain)eu-south-2Europe | $1.43 |
| Asia Pacific (Tokyo)ap-northeast-1Asia | $1.542 |
| EU (Frankfurt)eu-central-1Europe | $1.542 |
Specifications
compute
- vCPUs
- 16
- Memory
- 128 GiB
- Memory per vCPU
- 8 GiB
- Processor
- AMD EPYC 9R45 Processor
- CPU vendor
- AMD
- Architecture
- x86-64
- Burstable CPU
- No
storage & network
- Local storage
- Network storage only
- Storage detail
- EBS only
- Network
- Up to 15 Gigabit
- Peak bandwidth
- 15 Gbps
aws details
- API name
r8a.4xlarge- Family
- R8a
- Category
- Memory optimized
- Generation
- Current
- Regions
- 9 (Asia, Europe, North America)
- Cheapest region
- US East (N. Virginia) · $1.278/hr
- Dedicated EBS throughput
- Up to 10000 Mbps
- Enhanced networking
- Yes
- Normalization size factor
- 32
- Processor features
- AMD Turbo; AVX; AVX2; AVX512
- Spot interruption rate (us-east-1)
- 5-10%
- Spot savings vs on-demand (us-east-1)
- 49%
r8a.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 r8a.4xlarge |
|---|---|---|---|---|---|---|
| AWS | r8a.4xlarge | 16 | 128 GiB | AMD EPYC 9R45 Processor | $1.278 | – |
| Azure | E16as v5 | 16 | 128 GiB | AMD EPYC 7763v (Milan) | $0.904 | -29% |
| E16as v6 | 16 | 128 GiB | AMD EPYC 9004 (Genoa) | $0.954 | -25% | |
| Google Cloud | e2-highmem-16 | 16 | 128 GiB | AMD Rome, Intel Broadwell, Intel Haswell, Intel Skylake | $0.7232 | -43% |
| n4d-highmem-16 | 16 | 128 GiB | AMD Turin | $0.8894 | -30% | |
| Akamai | Linode 300GB300 GiB (2.3×) | 16 | 300 GiB | AMD EPYC | $1.44 | +13% |
| G8 Dedicated 64x1664 GiB (2× less) | 16 | 64 GiB | AMD EPYC | $0.84 | -34% | |
| Vultr | vx1-m-16c-128gb | 16 | 128 GiB | AMD EPYC | $0.64 | -50% |
| vx1-m-16c-128g-960s | 16 | 128 GiB | AMD EPYC | $0.772 | -40% |
R8a family sizes
| Size | vCPU | Memory | Local storage | On-demand | Monthly |
|---|---|---|---|---|---|
| r8a.medium | 1 | 8 GiB | – | $0.0799 | $58.31 |
| r8a.large | 2 | 16 GiB | – | $0.1598 | $117 |
| r8a.xlarge | 4 | 32 GiB | – | $0.3195 | $233 |
| r8a.2xlarge | 8 | 64 GiB | – | $0.639 | $466 |
| r8a.4xlarge | 16 | 128 GiB | – | $1.278 | $933 |
| r8a.8xlarge | 32 | 256 GiB | – | $2.556 | $1,866 |
| r8a.12xlarge | 48 | 384 GiB | – | $3.834 | $2,799 |
| r8a.16xlarge | 64 | 512 GiB | – | $5.112 | $3,732 |
| r8a.24xlarge | 96 | 768 GiB | – | $7.668 | $5,598 |
| r8a.metal-24xl | 96 | 768 GiB | – | $7.668 | $5,598 |
| r8a.48xlarge | 192 | 1,536 GiB | – | $15.34 | $11,196 |
| r8a.metal-48xl | 192 | 1,536 GiB | – | $15.34 | $11,196 |
Similar instance types on AWS
other AWS families with a similar shape, cheapest first
r8a.4xlarge FAQ
How much does r8a.4xlarge cost?
r8a.4xlarge costs $1.278 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $933 per month. Across 9 regions the Linux on-demand price ranges from $1.278 in US East (N. Virginia) to $1.542 in EU (Frankfurt). With Windows it costs $2.014 per hour.
How many vCPUs and how much memory does r8a.4xlarge have?
r8a.4xlarge has 16 vCPUs and 128 GiB of memory (8 GiB per vCPU), running on AMD EPYC 9R45 Processor. It is a memory optimized instance type in the R8a family.
What are the equivalents of r8a.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).