r5ad.12xlarge by Amazon Web Services
r5ad.12xlarge is a Memory optimized [AMD processors] [Instance store volumes] Gen5 12xlarge server offered by Amazon Web Services with 48 vCPUs, 384 GiB of memory and 1.8 TB of storage. The pricing starts at 0.4328 USD per hour.
48 vCPU
384 GiB Memory
1.8 TB Storage
Spare SCore
14166
(All-cores)
(All-cores)
591
(Single-core)
(Single-core)
Specifications
Server Metadata
Vendor ID | aws |
Name | r5ad.12xlarge |
Description | Memory optimized [AMD processors] [Instance store volumes] Gen5 12xlarge |
Family | r5ad |
Status | active |
Observed At | 2026-05-16T05:32:38.838622 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
Mumbai (IN) / ap-south-1 | 0.661867 USD/h | 1.993 USD/h |
Ohio (US) / us-east-2 | 0.967133 USD/h | 3.144 USD/h |
Oregon (US) / us-west-2 | 1.24235 USD/h | 3.144 USD/h |
Northern Virgina (US) / us-east-1 | 1.56106 USD/h | 3.144 USD/h |
Quebec (CA) / ca-central-1 | 1.08345 USD/h | 3.456 USD/h |
Dublin (IE) / eu-west-1 | 1.607133 USD/h | 3.504 USD/h |
California (US) / us-west-1 | 1.05625 USD/h | 3.552 USD/h |
Paris (FR) / eu-west-3 | 0.7183 USD/h | 3.672 USD/h |
London (GB) / eu-west-2 | 0.9783 USD/h | 3.696 USD/h |
Frankfurt (DE) / eu-central-1 | 1.506133 USD/h | 3.792 USD/h |
Seoul (KR) / ap-northeast-2 | 1.3686 USD/h | 3.792 USD/h |
Tokyo (JP) / ap-northeast-1 | 0.91845 USD/h | 3.816 USD/h |
Singapore (SG) / ap-southeast-1 | 1.525367 USD/h | 3.816 USD/h |
Sydney (AU) / ap-southeast-2 | 1.7881 USD/h | 3.816 USD/h |
Sao Paulo (BR) / sa-east-1 | 1.0198 USD/h | 4.992 USD/h |
Processor
vCPUs | 48 |
Hypervisor | nitro |
CPU Allocation | Dedicated |
CPU Cores | 24 |
CPU Speed | 2.2 GHz |
CPU Architecture | x86_64 |
CPU Manufacturer | AMD |
CPU Family | EPYC |
CPU Model | 7571 |
CPU L1D Cache | 32 KiB |
CPU L1D Cache Total | 768 KiB |
CPU L1I Cache | 64 KiB |
CPU L1I Cache Total | 2 MiB |
CPU L2 Cache | 512 KiB |
CPU L2 Cache Total | 12 MiB |
CPU L3 Cache | 8 MiB |
CPU L3 Cache Total | 48 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 |
System Resources and Accelerators
| MEMORY | |
|---|---|
Memory Amount | 384 GiB |
Memory Generation | DDR4 |
Memory Speed | 2667 Mhz |
| GPU | |
|---|---|
GPU Count | 0 |
GPUs |
| STORAGE | |
|---|---|
Storage Size | 1800 GB |
Storage Type | nvme ssd |
Storages |
|
| NETWORK | |
|---|---|
Network Speed | 10 Gbps |
Inbound Traffic | 0 GB/month |
Outbound Traffic | 0 GB/month |
IPv4 | 0 |
Economics
Performance
Memory Bandwidth
Compression
OpenSSL
Geekbench Single-Core
Score: 727
Geekbench Multi-Core
Score: 6,913
Passmark CPU Scores
| BENCHMARK | SCORE |
|---|---|
Mark | 30317 |
Compression | 531396 |
Encryption | 38785 |
Extended Instructions | 19762 |
Floating Point Maths | 65493 |
Integer Maths | 124289 |
Physics | 2577 |
Prime Numbers | 110 |
Single Threaded | 1447 |
String Sorting | 70019 |
Passmark Memory Scores
| BENCHMARK | SCORE |
|---|---|
Memory Mark | 2181 |
Database Operations | 11314 |
Memory Latency | 62 |
Memory Read Cached | 14930 |
Memory Read Uncached | 11424 |
Memory Write | 8320 |
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 |
|---|---|---|---|
| r5ad.large | 2 | 16 GiB | 0 |
| r5ad.xlarge | 4 | 32 GiB | 0 |
| r5ad.2xlarge | 8 | 64 GiB | 0 |
| r5ad.4xlarge | 16 | 128 GiB | 0 |
| r5ad.8xlarge | 32 | 256 GiB | 0 |
| r5ad.16xlarge | 64 | 512 GiB | 0 |
| r5ad.24xlarge | 96 | 768 GiB | 0 |
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