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m5a.16xlarge by Amazon Web Services

m5a.16xlarge is a General purpose [AMD processors] Gen5 16xlarge server offered by Amazon Web Services with 64 vCPUs, 256 GiB of memory and 0 GB of storage. The pricing starts at 0.3072 USD per hour.
64 vCPU
256 GiB Memory
Spare SCore
18892
(All-cores)
591
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
m5a.16xlarge
Description
General purpose [AMD processors] Gen5 16xlarge
Family
m5a
Hw Virt
Status
active
Observed At
2026-08-13T21:22:46.163941

Availability

REGION / IDSPOTONDEMAND
Mumbai (IN) / ap-south-1
0.7289 USD/h 1.778 USD/h
Ohio (US) / us-east-2
0.9835 USD/h 2.752 USD/h
Northern Virgina (US) / us-east-1
0.96218 USD/h 2.752 USD/h
Oregon (US) / us-west-2
1.078625 USD/h 2.752 USD/h
Quebec (CA) / ca-central-1
0.567933 USD/h 3.072 USD/h
Dublin (IE) / eu-west-1
1.557267 USD/h 3.072 USD/h
London (GB) / eu-west-2
1.333867 USD/h 3.2 USD/h
Milan (IT) / eu-south-1
0.651 USD/h 3.232 USD/h
Paris (FR) / eu-west-3
0.7278 USD/h 3.232 USD/h
California (US) / us-west-1
1.03395 USD/h 3.232 USD/h
Frankfurt (DE) / eu-central-1
1.3889 USD/h 3.328 USD/h
Seoul (KR) / ap-northeast-2
0.9662 USD/h 3.392 USD/h
Singapore (SG) / ap-southeast-1
1.325633 USD/h 3.456 USD/h
Sydney (AU) / ap-southeast-2
1.469667 USD/h 3.456 USD/h
Tokyo (JP) / ap-northeast-1
1.143733 USD/h 3.584 USD/h
Sao Paulo (BR) / sa-east-1
1.251467 USD/h 4.416 USD/h

Processor

vCPUs
64
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
32
CPU Speed
2.5 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
CPU Model
7571
CPU L1D Cache
32 KiB
CPU L1D Cache Total
1 MiB
CPU L1I Cache
64 KiB
CPU L1I Cache Total
2 MiB
CPU L2 Cache
512 KiB
CPU L2 Cache Total
16 MiB
CPU L3 Cache
8 MiB
CPU L3 Cache Total
64 MiB
CPU Flags
fpu, vme, de, pse, tsc, msr, pae, mce, cx8, apic, sep, mtrr, pge, mca, cmov, pat, pse36, clflush, mmx, fxsr, sse, sse2, ht, syscall, nx, mmxext, fxsr_opt, pdpe1gb, rdtscp, lm, constant_tsc, rep_good, nopl, nonstop_tsc, cpuid, extd_apicid, amd_dcm, aperfmperf, tsc_known_freq, pni, pclmulqdq, ssse3, fma, cx16, sse4_1, sse4_2, movbe, popcnt, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, cmp_legacy, cr8_legacy, abm, sse4a, misalignsse, 3dnowprefetch, topoext, perfctr_core, vmmcall, fsgsbase, bmi1, avx2, smep, bmi2, rdseed, adx, smap, clflushopt, sha_ni, xsaveopt, xsavec, xgetbv1, clzero, xsaveerptr, arat, npt, nrip_save
Ecpus
32
Scalability
100

System Resources and Accelerators

MEMORY
Memory Amount
256 GiB
Memory Amount Actual
256 GiB
Memory Generation
DDR4
Memory Speed
2667 Mhz
GPU
GPU Count
0
GPU Memory Min
0 MiB
GPU Memory Total
0 MiB
GPUs
    STORAGE
    Storage Size
    0 GB
    Storages
      NETWORK
      Network Speed Baseline
      12 Gbps
      Network Speed Max
      12 Gbps
      Network Storage Speed Baseline
      9.5 Gbps
      Network Storage Speed Max
      9.5 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Server Description

      A balanced x86 general-purpose instance featuring high core density and memory capacity for parallelized enterprise workloads.

      General Purpose

      Amazon Web Services m5a.16xlarge is a general-purpose server featuring 64 dedicated vCPUs powered by an AMD EPYC 7571 processor running at 2.5 GHz. Built on the Nitro hypervisor, it includes 256.0 GB of DDR4 memory but lacks local storage and GPU acceleration. Baseline network performance is 12 Gbps. Benchmarks show a distinct performance split: single-core metrics are in the bottom 10%, whereas multi-core and memory bandwidth tests fall in the middle 50%. Cryptographic execution is a strength, placing in the top 25%. Due to its lower single-thread performance and lack of AVX-512, this server is best suited for highly parallelized workloads, such as multi-threaded web serving, database operations, and general-purpose enterprise applications that benefit from high memory capacity and core density rather than raw single-core speed.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      1.41Score
      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) 3,232,659 ops/sec 1,910,660 ops/sec 1.69 50.00% 50.00% +30.00%
      Redis RPS (pipeline=16, SET) 21,472,603 ops/sec 11,608,287 ops/sec 1.85 20.00% 20.00% +13.10%
      PassMark Memory Mark (composite) 2,273 2,416 0.941 10.00% 10.00% -0.61%
      Memory bandwidth (read, 16 MB ~ L3) 125,030 MB/sec 107,896 MB/sec 1.16 10.00% 10.00% +1.50%
      PassMark single-thread CPU 1,449 Mops/s 2,364 Mops/s 0.613 10.00% 10.00% -4.78%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 726

      Geekbench Multi-Core

      Score: 7,646

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 37125
      Compression
      		 706694
      Encryption
      		 51802
      Extended Instructions
      		 26238
      Floating Point Maths
      		 87313
      Integer Maths
      		 165553
      Physics
      		 3750
      Prime Numbers
      		 150
      Single Threaded
      		 1449
      String Sorting
      		 96754

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 2273
      Database Operations
      		 15231
      Memory Latency
      		 58
      Memory Read Cached
      		 14981
      Memory Read Uncached
      		 11806
      Memory Write
      		 8182

      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

      INSTANCEvCPUsMEMORYGPUs
      m5a.large 28 GiB0
      m5a.xlarge 416 GiB0
      m5a.2xlarge 832 GiB0
      m5a.4xlarge 1664 GiB0
      m5a.8xlarge 32128 GiB0
      m5a.12xlarge 48192 GiB0
      m5a.24xlarge 96384 GiB0

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      m5a.16xlarge FAQs