r5b.12xlarge
Amazon EC2 · R5b family
The r5b.12xlarge is a memory optimized Amazon EC2 instance type with 48 vCPUs and 384 GiB of memory, running on Intel Xeon Platinum 8259 (Cascade Lake) with 10 Gigabit networking, starting at $3.576 per hour on demand.
- vCPUs
- 48
- memory
- 384 GiB
- processor
- Intel
- on-demand
- $3.576
- spot
- $1.919
- 1-yr reserved
- $2.253
dedicated
8 GiB per vCPU
3.1 GHz
$2,610/mo · us-east-1
−46% vs on-demand
−37% vs on-demand
r5b.12xlarge 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 | $3.576 | $1.919 | $2.253 | $1.448 |
| US East (Ohio)us-east-2cheapestNorth America | $3.576 | $1.417 | $2.253 | $1.448 |
| US West (Oregon)us-west-2cheapestNorth America | $3.576 | $2.156 | $2.253 | $1.448 |
| EU (Stockholm)eu-north-1Europe | $3.791 | $0.4467 | $2.388 | $1.535 |
| Canada (Central)ca-central-1North America | $3.912 | $0.7189 | $2.469 | $1.516 |
| EU (Ireland)eu-west-1Europe | $4.008 | $1.84 | $2.525 | $1.645 |
| EU (London)eu-west-2Europe | $4.20 | $1.403 | $2.659 | $1.775 |
| EU (Milan)eu-south-1Europe | $4.20 | $0.532 | $2.646 | $1.701 |
| Asia Pacific (Seoul)ap-northeast-2Asia | $4.272 | $0.8954 | $2.691 | $1.772 |
| Asia Pacific (Singapore)ap-southeast-1Asia | $4.272 | $1.674 | $2.691 | $1.762 |
| EU (Frankfurt)eu-central-1Europe | $4.272 | $0.8572 | $2.691 | $1.762 |
| Asia Pacific (Sydney)ap-southeast-2Oceania | $4.344 | $1.517 | $2.737 | $1.759 |
| Asia Pacific (Tokyo)ap-northeast-1Asia | $4.344 | $1.086 | $2.737 | $1.787 |
| South America (Sao Paulo)sa-east-1South America | $5.688 | $3.619 | $3.583 | $2.343 |
Specifications
compute
- vCPUs
- 48
- Memory
- 384 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.12xlarge- Family
- R5b
- Category
- Memory optimized
- Generation
- Current
- Regions
- 14 (Asia, Europe, North America, Oceania, South America)
- Cheapest region
- US East (N. Virginia) · $3.576/hr
- Dedicated EBS throughput
- 30 Gbps
- Enhanced networking
- Yes
- Normalization size factor
- 96
- 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.12xlarge 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.12xlarge |
|---|---|---|---|---|---|---|
| AWS | r5b.12xlarge | 48 | 384 GiB | Intel Xeon Platinum 8259 (Cascade Lake) | $3.576 | – |
| Azure | E48as v5 | 48 | 384 GiB | AMD EPYC 7763v (Milan) | $2.712 | -24% |
| E48as v6 | 48 | 384 GiB | AMD EPYC 9004 (Genoa) | $2.861 | -20% | |
| Google Cloud | n4d-highmem-48 | 48 | 384 GiB | AMD Turin | $2.668 | -25% |
| n2d-highmem-48 | 48 | 384 GiB | AMD Milan, AMD Rome | $2.736 | -24% | |
| Akamai | Dedicated 256GB56 vCPU (1.17×) · 256 GiB (1.5× less) | 56 | 256 GiB | AMD EPYC | $3.456 | -3% |
| G7 Dedicated 256x5656 vCPU (1.17×) · 256 GiB (1.5× less) | 56 | 256 GiB | AMD EPYC | $4.148 | +16% | |
| Vultr | vx1-m-48c-384gb | 48 | 384 GiB | AMD EPYC | $1.92 | -46% |
| vx1-m-48c-384g-2880s | 48 | 384 GiB | AMD EPYC | $2.315 | -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.12xlarge FAQ
How much does r5b.12xlarge cost?
r5b.12xlarge costs $3.576 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $2,610 per month. Across 14 regions the Linux on-demand price ranges from $3.576 in US East (N. Virginia) to $5.688 in South America (Sao Paulo). Spot capacity costs $1.919 per hour (46% less), but can be reclaimed. A 1-yr Reserved commitment brings it to $2.253 per hour. With Windows it costs $5.784 per hour.
How many vCPUs and how much memory does r5b.12xlarge have?
r5b.12xlarge has 48 vCPUs and 384 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.12xlarge on other clouds?
The closest matches by vCPU, memory, CPU architecture and instance class are on Azure, E48as v5 (48 vCPU, 384 GiB, $2.712/hour in East US); on Google Cloud, n4d-highmem-48 (48 vCPU, 384 GiB, $2.668/hour in Iowa); on Akamai, Dedicated 256GB (56 vCPU, 256 GiB, $3.456/hour in Newark, NJ); on Vultr, vx1-m-48c-384gb (48 vCPU, 384 GiB, $1.92/hour in New Jersey).