m5a.16xlarge by Amazon Web Services
(All-cores)
(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 | 2026-06-29T20:31:55.289526 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
Mumbai (IN) / ap-south-1 | 0.827467 USD/h | 1.778 USD/h |
Ohio (US) / us-east-2 | 1.0098 USD/h | 2.752 USD/h |
Northern Virgina (US) / us-east-1 | 0.95746 USD/h | 2.752 USD/h |
Oregon (US) / us-west-2 | 1.07065 USD/h | 2.752 USD/h |
Quebec (CA) / ca-central-1 | 0.787567 USD/h | 3.072 USD/h |
Dublin (IE) / eu-west-1 | 1.559233 USD/h | 3.072 USD/h |
London (GB) / eu-west-2 | 1.356233 USD/h | 3.2 USD/h |
Milan (IT) / eu-south-1 | 0.410633 USD/h | 3.232 USD/h |
Paris (FR) / eu-west-3 | 0.962067 USD/h | 3.232 USD/h |
California (US) / us-west-1 | 1.13735 USD/h | 3.232 USD/h |
Frankfurt (DE) / eu-central-1 | 1.210633 USD/h | 3.328 USD/h |
Seoul (KR) / ap-northeast-2 | 0.94655 USD/h | 3.392 USD/h |
Singapore (SG) / ap-southeast-1 | 1.3628 USD/h | 3.456 USD/h |
Sydney (AU) / ap-southeast-2 | 1.4074 USD/h | 3.456 USD/h |
Tokyo (JP) / ap-northeast-1 | 1.235633 USD/h | 3.584 USD/h |
Sao Paulo (BR) / sa-east-1 | 1.051267 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.
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
Performance
Memory Bandwidth
Compression
OpenSSL
Geekbench Single-Core
Geekbench Multi-Core
Passmark CPU Scores
| BENCHMARK | SCORE |
|---|---|
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
| BENCHMARK | SCORE |
|---|---|
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
| INSTANCE | vCPUs | MEMORY | GPUs |
|---|---|---|---|
| m5a.large | 2 | 8 GiB | 0 |
| m5a.xlarge | 4 | 16 GiB | 0 |
| m5a.2xlarge | 8 | 32 GiB | 0 |
| m5a.4xlarge | 16 | 64 GiB | 0 |
| m5a.8xlarge | 32 | 128 GiB | 0 |
| m5a.12xlarge | 48 | 192 GiB | 0 |
| m5a.24xlarge | 96 | 384 GiB | 0 |
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