r8i-flex.16xlarge
Amazon EC2 · R8i-flex family
The r8i-flex.16xlarge is a memory optimized Amazon EC2 instance type with 64 vCPUs and 512 GiB of memory, running on Intel Xeon Scalable (Granite Rapids) with up to 30 Gigabit networking, starting at $4.223 per hour on demand.
- vCPUs
- 64
- memory
- 512 GiB
- processor
- Intel
- on-demand
- $4.223
- spot
- –
- regions
- 27
dedicated
8 GiB per vCPU
3.9 GHz
$3,083/mo · us-east-1
not offered
across 7 areas
r8i-flex.16xlarge price by region
27 regions · hourly list prices in USD · On-demand · Spot · 1-yr Reserved · 3-yr Reserved
| US East (N. Virginia)us-east-1cheapestreferenceNorth America | $4.223 |
| US East (Ohio)us-east-2cheapestNorth America | $4.223 |
| US West (Oregon)us-west-2cheapestNorth America | $4.223 |
| Asia Pacific (Malaysia)ap-southeast-5Asia | $4.33 |
| Asia Pacific (Hyderabad)ap-south-2Asia | $4.357 |
| Asia Pacific (Mumbai)ap-south-1Asia | $4.357 |
| EU (Stockholm)eu-north-1Europe | $4.491 |
| Canada (Central)ca-central-1North America | $4.625 |
| Canada West (Calgary)ca-west-1North America | $4.625 |
| US West (N. California)us-west-1North America | $4.692 |
| EU (Ireland)eu-west-1Europe | $4.726 |
| EU (Spain)eu-south-2Europe | $4.726 |
| EU (London)eu-west-2Europe | $4.96 |
| EU (Milan)eu-south-1Europe | $4.96 |
| EU (Paris)eu-west-3Europe | $4.96 |
| Asia Pacific (Sydney)ap-southeast-2Oceania | $5.061 |
| AWS GovCloud (US-East)us-gov-east-1North America | $5.061 |
| AWS GovCloud (US)us-gov-west-1North America | $5.061 |
| Asia Pacific (Seoul)ap-northeast-2Asia | $5.094 |
| Asia Pacific (Singapore)ap-southeast-1Asia | $5.094 |
| Asia Pacific (Tokyo)ap-northeast-1Asia | $5.094 |
| EU (Frankfurt)eu-central-1Europe | $5.094 |
| Middle East (UAE)me-central-1Middle East | $5.198 |
| Asia Pacific (New Zealand)ap-southeast-6Oceania | $5.314 |
| EU (Zurich)eu-central-2Europe | $5.604 |
| Africa (Cape Town)af-south-1Africa | $5.631 |
| South America (Sao Paulo)sa-east-1South America | $6.737 |
Specifications
compute
- vCPUs
- 64
- Memory
- 512 GiB
- Memory per vCPU
- 8 GiB
- Processor
- Intel Xeon Scalable (Granite Rapids)
- CPU vendor
- Intel
- Architecture
- x86-64
- Clock speed
- 3.9 GHz
- Burstable CPU
- No
storage & network
- Local storage
- Network storage only
- Storage detail
- EBS only
- Network
- Up to 30 Gigabit
- Peak bandwidth
- 30 Gbps
aws details
- API name
r8i-flex.16xlarge- Family
- R8i-flex
- Category
- Memory optimized
- Generation
- Current
- Regions
- 27 (Africa, Asia, Europe, Middle East, North America, Oceania, South America)
- Cheapest region
- US East (N. Virginia) · $4.223/hr
- Dedicated EBS throughput
- Up to 20000 Mbps
- Enhanced networking
- Yes
- Normalization size factor
- 128
- Processor features
- Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo; Intel AMX
- Spot interruption rate (us-east-1)
- 5-10%
- Spot savings vs on-demand (us-east-1)
- 55%
r8i-flex.16xlarge 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 r8i-flex.16xlarge |
|---|---|---|---|---|---|---|
| AWS | r8i-flex.16xlarge | 64 | 512 GiB | Intel Xeon Scalable (Granite Rapids) | $4.223 | – |
| Azure | E64as v5 | 64 | 512 GiB | AMD EPYC 7763v (Milan) | $3.616 | -14% |
| E64as v6 | 64 | 512 GiB | AMD EPYC 9004 (Genoa) | $3.814 | -10% | |
| Google Cloud | n4d-highmem-64 | 64 | 512 GiB | AMD Turin | $3.558 | -16% |
| n2d-highmem-64 | 64 | 512 GiB | AMD Milan, AMD Rome | $3.647 | -14% | |
| Akamai | G8 Dedicated 256x64256 GiB (2× less) | 64 | 256 GiB | AMD EPYC | $3.36 | -20% |
| Dedicated 256GB56 vCPU (1.1× less) · 256 GiB (2× less) | 56 | 256 GiB | AMD EPYC | $3.456 | -18% | |
| Vultr | vx1-m-64c-512gb | 64 | 512 GiB | AMD EPYC | $2.56 | -39% |
| vx1-m-64c-512g-3840s | 64 | 512 GiB | AMD EPYC | $3.086 | -27% |
R8i-flex family sizes
| Size | vCPU | Memory | Local storage | On-demand | Monthly |
|---|---|---|---|---|---|
| r8i-flex.large | 2 | 16 GiB | – | $0.132 | $96.34 |
| r8i-flex.xlarge | 4 | 32 GiB | – | $0.2639 | $193 |
| r8i-flex.2xlarge | 8 | 64 GiB | – | $0.5279 | $385 |
| r8i-flex.4xlarge | 16 | 128 GiB | – | $1.056 | $771 |
| r8i-flex.8xlarge | 32 | 256 GiB | – | $2.112 | $1,541 |
| r8i-flex.12xlarge | 48 | 384 GiB | – | $3.167 | $2,312 |
| r8i-flex.16xlarge | 64 | 512 GiB | – | $4.223 | $3,083 |
Similar instance types on AWS
other AWS families with a similar shape, cheapest first
r8i-flex.16xlarge FAQ
How much does r8i-flex.16xlarge cost?
r8i-flex.16xlarge costs $4.223 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $3,083 per month. Across 27 regions the Linux on-demand price ranges from $4.223 in US East (N. Virginia) to $6.737 in South America (Sao Paulo). With Windows it costs $7.02 per hour.
How many vCPUs and how much memory does r8i-flex.16xlarge have?
r8i-flex.16xlarge has 64 vCPUs and 512 GiB of memory (8 GiB per vCPU), running on Intel Xeon Scalable (Granite Rapids). It is a memory optimized instance type in the R8i-flex family.
What are the equivalents of r8i-flex.16xlarge on other clouds?
The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E64as v5 (64 vCPU, 512 GiB, $3.616/hour in East US); on Google Cloud, n4d-highmem-64 (64 vCPU, 512 GiB, $3.558/hour in Iowa); on Akamai, G8 Dedicated 256x64 (64 vCPU, 256 GiB, $3.36/hour in Newark, NJ); on Vultr, vx1-m-64c-512gb (64 vCPU, 512 GiB, $2.56/hour in Amsterdam).