a1.4xlarge by Amazon Web Services

a1.4xlarge is a AWS Graviton Gen1 4xlarge server offered by Amazon Web Services with 16 vCPUs, 32 GiB of memory and 0 GB of storage. The pricing starts at 0.3608 USD per hour.
16 vCPU
32 GiB Memory
Spare SCore
23,858
(All-cores)
1,491
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
a1.4xlarge
Description
AWS Graviton Gen1 4xlarge
Family
a1
Hw Virt
Status
active
Observed At
2026-10-29T02:46:22.906197

Availability

REGION / IDSPOTONDEMAND
Ohio (US) / us-east-2
0.3608 USD/h 0.408 USD/h
Northern Virgina (US) / us-east-1
0.401267 USD/h 0.408 USD/h
Mumbai (IN) / ap-south-1
0.408 USD/h 0.408 USD/h
Oregon (US) / us-west-2
0.408 USD/h 0.408 USD/h
Dublin (IE) / eu-west-1
0.4608 USD/h 0.4608 USD/h
Frankfurt (DE) / eu-central-1
0.4656 USD/h 0.4656 USD/h
Singapore (SG) / ap-southeast-1
0.4704 USD/h 0.4704 USD/h
Tokyo (JP) / ap-northeast-1
0.5136 USD/h 0.5136 USD/h
Sydney (AU) / ap-southeast-2
0.5328 USD/h 0.5328 USD/h

Processor

vCPUs
16
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
16
CPU Speed
2.3 GHz
CPU Architecture
arm64
CPU Manufacturer
AWS
CPU Family
ARMv8
CPU Model
Cortex-A72
CPU L1D Cache
32 KiB
CPU L1D Cache Total
512 KiB
CPU L1I Cache
48 KiB
CPU L1I Cache Total
768 KiB
CPU L2 Cache
2 MiB
CPU L2 Cache Total
8 MiB
CPU Flags
fp, asimd, evtstrm, aes, pmull, sha1, sha2, crc32, cpuid
Ecpus
16
Scalability
100

System Resources and Accelerators

MEMORY
Memory Amount
32 GiB
Memory Amount Actual
31 GiB
ACCELERATORS
Accelerator Count
0
Accelerator Memory Min
0 MiB
Accelerator Memory Total
0 MiB
Accelerators
    STORAGE
    Storage Size
    0 GB
    Storages
      NETWORK
      Network Speed Baseline
      5 Gbps
      Network Speed Max
      10 Gbps
      Network Storage Speed Baseline
      3.5 Gbps
      Network Storage Speed Max
      3.5 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Server Description

      An ARM64-based server offering dedicated physical cores and balanced multi-core performance for scale-out workloads and containerized microservices.

      Compute OptimizedGeneral Purpose

      Amazon Web Services a1.4xlarge is an ARM64 server powered by the first-generation AWS Graviton processor, featuring 16 dedicated physical cores at 2.3 GHz and 32.0 GB of memory. Operating on the Nitro hypervisor, it delivers a 5 Gbps baseline network speed but lacks local storage. Benchmark results show average multi-core performance in stress-ng and Redis SET operations, but reveal weak single-core execution and poor uncached memory write bandwidth. This server offers qualitative cost efficiency for ARM64 development and scale-out workloads that prioritize physical core density over high memory-per-core ratios, making it suitable for containerized microservices and basic web serving.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      0.3Score
      Precomputed compound score for Cache Intensive workloads. A weighted average (geometric mean) of benchmark scores compared to their medians: score = ∏ (x_i / m_i)^(w_i / Σw). The score of 1.0 represents a synthetic baseline server with the median performance of each component benchmark; 0.5 means roughly half the performance; and 2.0 means twice the performance of that reference profile. Component weights: 50% Redis RPS (pipeline=1, SET), 20% Redis RPS (pipeline=16, SET), 10% PassMark Memory Mark (composite), 10% Memory bandwidth (read, 16 MB ~ L3), 10% PassMark single-thread CPU. Rationale for component selection: In-memory key-value store workload, mixing direct Redis performance metrics with memory speed and latency benchmarks, and single-core CPU performance profiles.
      Component Score Weight Impact
      Raw Reference Normalized Target Actual
      Redis RPS (pipeline=1, SET) 474,096 ops/sec 1,919,289 ops/sec 0.25 50.00% 50.00% -50.00%
      Redis RPS (pipeline=16, SET) 4,141,946 ops/sec 11,728,058 ops/sec 0.34 20.00% 20.00% -19.00%
      PassMark Memory Mark (composite) 1,567 2,416 0.67 10.00% 10.00% -3.90%
      Memory bandwidth (read, 16 MB ~ L3) 33,113 MB/sec 108,466 MB/sec 0.3 10.00% 10.00% -11.00%
      PassMark single-thread CPU 620 Mops/s 2,365 Mops/s 0.26 10.00% 10.00% -13.00%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 409

      Geekbench Multi-Core

      Score: 3,432

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 5,725
      Compression
      		 46,361
      Encryption
      		 1,599
      Extended Instructions
      		 3,925
      Floating Point Maths
      		 23,003
      Integer Maths
      		 59,184
      Physics
      		 619
      Prime Numbers
      		 26
      Single Threaded
      		 620
      String Sorting
      		 24,464

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 1,567
      Database Operations
      		 4,181
      Memory Latency
      		 65
      Memory Read Cached
      		 8,346
      Memory Read Uncached
      		 8,073
      Memory Write
      		 8,643

      Stress-ng Raw Scores

      Stress-ng Relative Multicore Performance

      LLM Inference Speed for Prompt Processing

      LLM Inference Speed for Text Generation

      Static Web Server

      Redis

      Alternatives

      Servers of the Same Family

      INSTANCEvCPUsMEMORYAccelerators
      a1.medium 12 GiB0
      a1.large 24 GiB0
      a1.xlarge 48 GiB0
      a1.2xlarge 816 GiB0
      a1.metal 1632 GiB0

      Similar Servers

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      a1.4xlarge FAQs