r5b.16xlarge
Amazon EC2 · R5b family
The r5b.16xlarge is a memory optimized Amazon EC2 instance type with 64 vCPUs and 512 GiB of memory, running on Intel Xeon Platinum 8259 (Cascade Lake) with 20 Gigabit networking, starting at $4.768 per hour on demand.
- vCPUs
- 64
- memory
- 512 GiB
- processor
- Intel
- on-demand
- $4.768
- spot
- $2.346
- 1-yr reserved
- $3.004
dedicated
8 GiB per vCPU
3.1 GHz
$3,481/mo · us-east-1
−51% vs on-demand
−37% vs on-demand
r5b.16xlarge price by region
14 regions · hourly list prices in USD · On-demand · Spot · 1-yr Reserved · 3-yr Reserved
| US East (N. Virginia)us-east-1cheapestreferenceNorth America | $4.768 | $2.346 | $3.004 | $1.931 |
| US East (Ohio)us-east-2cheapestNorth America | $4.768 | $1.77 | $3.004 | $1.931 |
| US West (Oregon)us-west-2cheapestNorth America | $4.768 | $2.969 | $3.004 | $1.931 |
| EU (Stockholm)eu-north-1Europe | $5.054 | $0.5392 | $3.184 | $2.047 |
| Canada (Central)ca-central-1North America | $5.216 | $0.7695 | $3.293 | $2.022 |
| EU (Ireland)eu-west-1Europe | $5.344 | $2.258 | $3.367 | $2.193 |
| EU (London)eu-west-2Europe | $5.60 | $2.00 | $3.545 | $2.367 |
| EU (Milan)eu-south-1Europe | $5.60 | $0.7338 | $3.528 | $2.268 |
| Asia Pacific (Seoul)ap-northeast-2Asia | $5.696 | $1.228 | $3.588 | $2.362 |
| Asia Pacific (Singapore)ap-southeast-1Asia | $5.696 | $1.407 | $3.588 | $2.35 |
| EU (Frankfurt)eu-central-1Europe | $5.696 | $2.219 | $3.588 | $2.35 |
| Asia Pacific (Sydney)ap-southeast-2Oceania | $5.792 | $1.95 | $3.649 | $2.346 |
| Asia Pacific (Tokyo)ap-northeast-1Asia | $5.792 | $2.868 | $3.649 | $2.383 |
| South America (Sao Paulo)sa-east-1South America | $7.584 | $4.92 | $4.778 | $3.124 |
Specifications
compute
- vCPUs
- 64
- Memory
- 512 GiB
- Memory per vCPU
- 8 GiB
- Processor
- Intel Xeon Platinum 8259 (Cascade Lake)
- CPU vendor
- Intel
- Architecture
- x86-64
- Clock speed
- 3.1 GHz
- Burstable CPU
- No
storage & network
- Local storage
- Network storage only
- Storage detail
- EBS only
- Network
- 20 Gigabit
- Peak bandwidth
- 20 Gbps
aws details
- API name
r5b.16xlarge- Family
- R5b
- Category
- Memory optimized
- Generation
- Current
- Regions
- 14 (Asia, Europe, North America, Oceania, South America)
- Cheapest region
- US East (N. Virginia) · $4.768/hr
- Dedicated EBS throughput
- 40 Gbps
- Enhanced networking
- Yes
- Normalization size factor
- 128
- Processor features
- Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo
- Spot interruption rate (us-east-1)
- >20%
- Spot savings vs on-demand (us-east-1)
- 45%
r5b.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 r5b.16xlarge |
|---|---|---|---|---|---|---|
| AWS | r5b.16xlarge | 64 | 512 GiB | Intel Xeon Platinum 8259 (Cascade Lake) | $4.768 | – |
| Azure | E64as v5 | 64 | 512 GiB | AMD EPYC 7763v (Milan) | $3.616 | -24% |
| E64as v6 | 64 | 512 GiB | AMD EPYC 9004 (Genoa) | $3.814 | -20% | |
| Google Cloud | n4d-highmem-64 | 64 | 512 GiB | AMD Turin | $3.558 | -25% |
| n2d-highmem-64 | 64 | 512 GiB | AMD Milan, AMD Rome | $3.647 | -24% | |
| Akamai | G8 Dedicated 256x64256 GiB (2× less) | 64 | 256 GiB | AMD EPYC | $3.36 | -30% |
| Dedicated 256GB56 vCPU (1.1× less) · 256 GiB (2× less) | 56 | 256 GiB | AMD EPYC | $3.456 | -28% | |
| Vultr | vx1-m-64c-512gb | 64 | 512 GiB | AMD EPYC | $2.56 | -46% |
| vx1-m-64c-512g-3840s | 64 | 512 GiB | AMD EPYC | $3.086 | -35% |
R5b family sizes
| Size | vCPU | Memory | Local storage | On-demand | Monthly | Spot | 1-yr |
|---|---|---|---|---|---|---|---|
| r5b.large | 2 | 16 GiB | – | $0.149 | $109 | $0.0721 | $0.0939 |
| r5b.xlarge | 4 | 32 GiB | – | $0.298 | $218 | $0.1456 | $0.1877 |
| r5b.2xlarge | 8 | 64 GiB | – | $0.596 | $435 | $0.329 | $0.3755 |
| r5b.4xlarge | 16 | 128 GiB | – | $1.192 | $870 | $0.7281 | $0.751 |
| r5b.8xlarge | 32 | 256 GiB | – | $2.384 | $1,740 | $1.305 | $1.502 |
| r5b.12xlarge | 48 | 384 GiB | – | $3.576 | $2,610 | $1.919 | $2.253 |
| r5b.16xlarge | 64 | 512 GiB | – | $4.768 | $3,481 | $2.346 | $3.004 |
| r5b.24xlarge | 96 | 768 GiB | – | $7.152 | $5,221 | $3.651 | $4.506 |
| r5b.metal | 96 | 768 GiB | – | $7.152 | $5,221 | $3.409 | $4.506 |
Similar instance types on AWS
other AWS families with a similar shape, cheapest first
r5b.16xlarge FAQ
How much does r5b.16xlarge cost?
r5b.16xlarge costs $4.768 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $3,481 per month. Across 14 regions the Linux on-demand price ranges from $4.768 in US East (N. Virginia) to $7.584 in South America (Sao Paulo). Spot capacity costs $2.346 per hour (51% less), but can be reclaimed. A 1-yr Reserved commitment brings it to $3.004 per hour. With Windows it costs $7.712 per hour.
How many vCPUs and how much memory does r5b.16xlarge have?
r5b.16xlarge has 64 vCPUs and 512 GiB of memory (8 GiB per vCPU), running on Intel Xeon Platinum 8259 (Cascade Lake). It is a memory optimized instance type in the R5b family.
What are the equivalents of r5b.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).