r5b.8xlarge
Amazon EC2 · R5b family
The r5b.8xlarge is a memory optimized Amazon EC2 instance type with 32 vCPUs and 256 GiB of memory, running on Intel Xeon Platinum 8259 (Cascade Lake) with 10 Gigabit networking, starting at $2.384 per hour on demand.
- vCPUs
- 32
- memory
- 256 GiB
- processor
- Intel
- on-demand
- $2.384
- spot
- $1.305
- 1-yr reserved
- $1.502
dedicated
8 GiB per vCPU
3.1 GHz
$1,740/mo · us-east-1
−45% vs on-demand
−37% vs on-demand
r5b.8xlarge 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 | $2.384 | $1.305 | $1.502 | $0.9655 |
| US East (Ohio)us-east-2cheapestNorth America | $2.384 | $1.061 | $1.502 | $0.9655 |
| US West (Oregon)us-west-2cheapestNorth America | $2.384 | $1.248 | $1.502 | $0.9655 |
| EU (Stockholm)eu-north-1Europe | $2.527 | $0.3808 | $1.592 | $1.023 |
| Canada (Central)ca-central-1North America | $2.608 | $0.486 | $1.646 | $1.011 |
| EU (Ireland)eu-west-1Europe | $2.672 | $1.336 | $1.683 | $1.097 |
| EU (London)eu-west-2Europe | $2.80 | $0.9915 | $1.773 | $1.184 |
| EU (Milan)eu-south-1Europe | $2.80 | $0.3597 | $1.764 | $1.134 |
| Asia Pacific (Seoul)ap-northeast-2Asia | $2.848 | $0.7738 | $1.794 | $1.181 |
| Asia Pacific (Singapore)ap-southeast-1Asia | $2.848 | $1.153 | $1.794 | $1.175 |
| EU (Frankfurt)eu-central-1Europe | $2.848 | $1.196 | $1.794 | $1.175 |
| Asia Pacific (Sydney)ap-southeast-2Oceania | $2.896 | $1.721 | $1.824 | $1.173 |
| Asia Pacific (Tokyo)ap-northeast-1Asia | $2.896 | $1.331 | $1.824 | $1.192 |
| South America (Sao Paulo)sa-east-1South America | $3.792 | $2.128 | $2.389 | $1.562 |
Specifications
compute
- vCPUs
- 32
- Memory
- 256 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
- 10 Gigabit
- Peak bandwidth
- 10 Gbps
aws details
- API name
r5b.8xlarge- Family
- R5b
- Category
- Memory optimized
- Generation
- Current
- Regions
- 14 (Asia, Europe, North America, Oceania, South America)
- Cheapest region
- US East (N. Virginia) · $2.384/hr
- Dedicated EBS throughput
- 5 Gbps
- Enhanced networking
- Yes
- Normalization size factor
- 64
- 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.8xlarge 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.8xlarge |
|---|---|---|---|---|---|---|
| AWS | r5b.8xlarge | 32 | 256 GiB | Intel Xeon Platinum 8259 (Cascade Lake) | $2.384 | – |
| Azure | E32as v5 | 32 | 256 GiB | AMD EPYC 7763v (Milan) | $1.808 | -24% |
| E32as v6 | 32 | 256 GiB | AMD EPYC 9004 (Genoa) | $1.907 | -20% | |
| Google Cloud | n4d-highmem-32 | 32 | 256 GiB | AMD Turin | $1.779 | -25% |
| n2d-highmem-32 | 32 | 256 GiB | AMD Milan, AMD Rome | $1.824 | -24% | |
| Akamai | G8 Dedicated 128x32128 GiB (2× less) | 32 | 128 GiB | AMD EPYC | $1.68 | -30% |
| Dedicated 256GB56 vCPU (1.75×) | 56 | 256 GiB | AMD EPYC | $3.456 | +45% | |
| Vultr | vx1-m-32c-256gb | 32 | 256 GiB | AMD EPYC | $1.28 | -46% |
| vx1-m-32c-256g-1920s | 32 | 256 GiB | AMD EPYC | $1.543 | -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.8xlarge FAQ
How much does r5b.8xlarge cost?
r5b.8xlarge costs $2.384 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $1,740 per month. Across 14 regions the Linux on-demand price ranges from $2.384 in US East (N. Virginia) to $3.792 in South America (Sao Paulo). Spot capacity costs $1.305 per hour (45% less), but can be reclaimed. A 1-yr Reserved commitment brings it to $1.502 per hour. With Windows it costs $3.856 per hour.
How many vCPUs and how much memory does r5b.8xlarge have?
r5b.8xlarge has 32 vCPUs and 256 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.8xlarge on other clouds?
The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E32as v5 (32 vCPU, 256 GiB, $1.808/hour in East US); on Google Cloud, n4d-highmem-32 (32 vCPU, 256 GiB, $1.779/hour in Iowa); on Akamai, G8 Dedicated 128x32 (32 vCPU, 128 GiB, $1.68/hour in Newark, NJ); on Vultr, vx1-m-32c-256gb (32 vCPU, 256 GiB, $1.28/hour in New Jersey).