r6a.4xlarge by Amazon Web Services
r6a.4xlarge is a Memory optimized [AMD processors] Gen6 4xlarge server offered by Amazon Web Services with 16 vCPUs, 128 GiB of memory and 0 GB of storage. The pricing starts at 0.2063 USD per hour.
16 vCPU
128 GiB Memory
Spare SCore
23940
(All-cores)
(All-cores)
2993
(Single-core)
(Single-core)
Specifications
Server Metadata
Vendor ID | aws |
Name | r6a.4xlarge |
Description | Memory optimized [AMD processors] Gen6 4xlarge |
Family | r6a |
Status | active |
Observed At | 2026-04-28T11:31:56.641818 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
Hyderabad (IN) / ap-south-2 | 0.216167 USD/h | 0.572 USD/h |
Mumbai (IN) / ap-south-1 | 0.263733 USD/h | 0.572 USD/h |
Ohio (US) / us-east-2 | 0.366533 USD/h | 0.9072 USD/h |
Oregon (US) / us-west-2 | 0.474175 USD/h | 0.9072 USD/h |
Northern Virgina (US) / us-east-1 | 0.44394 USD/h | 0.9072 USD/h |
Quebec (CA) / ca-central-1 | 0.6219 USD/h | 0.9936 USD/h |
California (US) / us-west-1 | 0.53965 USD/h | 1.008 USD/h |
Dublin (IE) / eu-west-1 | 0.541233 USD/h | 1.0152 USD/h |
Sydney (AU) / ap-southeast-2 | 0.569233 USD/h | 1.0872 USD/h |
Tokyo (JP) / ap-northeast-1 | 0.5192 USD/h | 1.0944 USD/h |
Frankfurt (DE) / eu-central-1 | 0.513433 USD/h | 1.0944 USD/h |
Singapore (SG) / ap-southeast-1 | 0.66065 USD/h | 1.0944 USD/h |
Processor
vCPUs | 16 |
Hypervisor | nitro |
CPU Allocation | Dedicated |
CPU Cores | 8 |
CPU Speed | 3.6 GHz |
CPU Architecture | x86_64 |
CPU Manufacturer | AMD |
CPU Family | EPYC |
CPU Model | 7R13 |
CPU L1D Cache | 32 KiB |
CPU L1D Cache Total | 256 KiB |
CPU L1I Cache | 32 KiB |
CPU L1I Cache Total | 256 KiB |
CPU L2 Cache | 512 KiB |
CPU L2 Cache Total | 4 MiB |
CPU L3 Cache | 32 MiB |
CPU L3 Cache Total | 32 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, aperfmperf, tsc_known_freq, pni, pclmulqdq, ssse3, fma, cx16, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, cmp_legacy, cr8_legacy, abm, sse4a, misalignsse, 3dnowprefetch, topoext, ssbd, ibrs, ibpb, stibp, vmmcall, fsgsbase, bmi1, avx2, smep, bmi2, invpcid, rdseed, adx, smap, clflushopt, clwb, sha_ni, xsaveopt, xsavec, xgetbv1, clzero, xsaveerptr, rdpru, wbnoinvd, arat, npt, nrip_save, vaes, vpclmulqdq, rdpid |
System Resources and Accelerators
| MEMORY | |
|---|---|
Memory Amount | 128 GiB |
Memory Generation | DDR4 |
Memory Speed | 3200 Mhz |
| GPU | |
|---|---|
GPU Count | 0 |
GPUs |
| STORAGE | |
|---|---|
Storage Size | 0 GB |
Storages |
| NETWORK | |
|---|---|
Network Speed | 6.25 Gbps |
Inbound Traffic | 0 GB/month |
Outbound Traffic | 0 GB/month |
IPv4 | 0 |
Economics
Performance
Memory Bandwidth
Compression
OpenSSL
Geekbench Single-Core
Score: 1,675
Geekbench Multi-Core
Score: 9,665
Passmark CPU Scores
| BENCHMARK | SCORE |
|---|---|
Mark | 23588 |
Compression | 285475 |
Encryption | 18945 |
Extended Instructions | 16512 |
Floating Point Maths | 40376 |
Integer Maths | 73616 |
Physics | 1995 |
Prime Numbers | 101 |
Single Threaded | 2644 |
String Sorting | 37292 |
Passmark Memory Scores
| BENCHMARK | SCORE |
|---|---|
Memory Mark | 2681 |
Database Operations | 7267 |
Memory Latency | 63 |
Memory Read Cached | 26363 |
Memory Read Uncached | 17661 |
Memory Write | 17159 |
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 |
|---|---|---|---|
| r6a.large | 2 | 16 GiB | 0 |
| r6a.xlarge | 4 | 32 GiB | 0 |
| r6a.2xlarge | 8 | 64 GiB | 0 |
| r6a.8xlarge | 32 | 256 GiB | 0 |
| r6a.12xlarge | 48 | 384 GiB | 0 |
| r6a.16xlarge | 64 | 512 GiB | 0 |
| r6a.24xlarge | 96 | 768 GiB | 0 |
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