r5b.4xlarge
Amazon EC2 · R5b family
The r5b.4xlarge is a memory optimized Amazon EC2 instance type with 16 vCPUs and 128 GiB of memory, running on Intel Xeon Platinum 8259 (Cascade Lake) with up to 10 Gigabit networking, starting at $1.192 per hour on demand.
- vCPUs
- 16
- memory
- 128 GiB
- processor
- Intel
- on-demand
- $1.192
- spot
- $0.7281
- 1-yr reserved
- $0.751
dedicated
8 GiB per vCPU
3.1 GHz
$870/mo · us-east-1
−39% vs on-demand
−37% vs on-demand
r5b.4xlarge 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 | $1.192 | $0.7281 | $0.751 | $0.4828 |
| US East (Ohio)us-east-2cheapestNorth America | $1.192 | $0.425 | $0.751 | $0.4828 |
| US West (Oregon)us-west-2cheapestNorth America | $1.192 | $0.5021 | $0.751 | $0.4828 |
| EU (Stockholm)eu-north-1Europe | $1.264 | $0.3504 | $0.796 | $0.5117 |
| Canada (Central)ca-central-1North America | $1.304 | $0.3852 | $0.8232 | $0.5054 |
| EU (Ireland)eu-west-1Europe | $1.336 | $0.7457 | $0.8417 | $0.5483 |
| EU (London)eu-west-2Europe | $1.40 | $0.4872 | $0.8863 | $0.5918 |
| EU (Milan)eu-south-1Europe | $1.40 | $0.2102 | $0.882 | $0.567 |
| Asia Pacific (Seoul)ap-northeast-2Asia | $1.424 | $0.5426 | $0.8971 | $0.5906 |
| Asia Pacific (Singapore)ap-southeast-1Asia | $1.424 | $0.6393 | $0.8971 | $0.5875 |
| EU (Frankfurt)eu-central-1Europe | $1.424 | $0.6206 | $0.8971 | $0.5875 |
| Asia Pacific (Sydney)ap-southeast-2Oceania | $1.448 | $0.8088 | $0.9122 | $0.5864 |
| Asia Pacific (Tokyo)ap-northeast-1Asia | $1.448 | $0.4781 | $0.9122 | $0.5958 |
| South America (Sao Paulo)sa-east-1South America | $1.896 | $0.2253 | $1.194 | $0.781 |
Specifications
compute
- vCPUs
- 16
- Memory
- 128 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
- Up to 10 Gigabit
- Peak bandwidth
- 10 Gbps
aws details
- API name
r5b.4xlarge- Family
- R5b
- Category
- Memory optimized
- Generation
- Current
- Regions
- 14 (Asia, Europe, North America, Oceania, South America)
- Cheapest region
- US East (N. Virginia) · $1.192/hr
- Dedicated EBS throughput
- 10 Gbps
- Enhanced networking
- Yes
- Normalization size factor
- 32
- Processor features
- Intel AVX; Intel AVX2; Intel AVX512; Intel Turbo
- Spot interruption rate (us-east-1)
- 5-10%
- Spot savings vs on-demand (us-east-1)
- 35%
r5b.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 r5b.4xlarge |
|---|---|---|---|---|---|---|
| AWS | r5b.4xlarge | 16 | 128 GiB | Intel Xeon Platinum 8259 (Cascade Lake) | $1.192 | – |
| Azure | E16as v5 | 16 | 128 GiB | AMD EPYC 7763v (Milan) | $0.904 | -24% |
| E16as v6 | 16 | 128 GiB | AMD EPYC 9004 (Genoa) | $0.954 | -20% | |
| Google Cloud | e2-highmem-16 | 16 | 128 GiB | AMD Rome, Intel Broadwell, Intel Haswell, Intel Skylake | $0.7232 | -39% |
| n4d-highmem-16 | 16 | 128 GiB | AMD Turin | $0.8894 | -25% | |
| Akamai | Linode 300GB300 GiB (2.3×) | 16 | 300 GiB | AMD EPYC | $1.44 | +21% |
| G8 Dedicated 64x1664 GiB (2× less) | 16 | 64 GiB | AMD EPYC | $0.84 | -30% | |
| Vultr | vx1-m-16c-128gb | 16 | 128 GiB | AMD EPYC | $0.64 | -46% |
| vx1-m-16c-128g-960s | 16 | 128 GiB | AMD EPYC | $0.772 | -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.4xlarge FAQ
How much does r5b.4xlarge cost?
r5b.4xlarge costs $1.192 per hour on demand with Linux in US East (N. Virginia) (us-east-1), about $870 per month. Across 14 regions the Linux on-demand price ranges from $1.192 in US East (N. Virginia) to $1.896 in South America (Sao Paulo). Spot capacity costs $0.7281 per hour (39% less), but can be reclaimed. A 1-yr Reserved commitment brings it to $0.751 per hour. With Windows it costs $1.928 per hour.
How many vCPUs and how much memory does r5b.4xlarge have?
r5b.4xlarge has 16 vCPUs and 128 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.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).