r5b.2xlarge by Amazon Web Services
r5b.2xlarge is a Memory optimized Gen5 2xlarge server offered by Amazon Web Services with 8 vCPUs, 64 GiB of memory and 0 GB of storage. The pricing starts at 0.0851 USD per hour.
8 vCPU
64 GiB Memory
Spare SCore
6757
(All-cores)
(All-cores)
1282
(Single-core)
(Single-core)
Specifications
Server Metadata
Vendor ID | aws |
Name | r5b.2xlarge |
Description | Memory optimized Gen5 2xlarge |
Family | r5b |
Status | active |
Observed At | 2026-03-27T19:09:47.443248 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
Ohio (US) / us-east-2 | 0.221633 USD/h | 0.596 USD/h |
Oregon (US) / us-west-2 | 0.3267 USD/h | 0.596 USD/h |
Northern Virgina (US) / us-east-1 | 0.4118 USD/h | 0.596 USD/h |
Stockholm (SE) / eu-north-1 | 0.2164 USD/h | 0.6318 USD/h |
Quebec (CA) / ca-central-1 | 0.385533 USD/h | 0.652 USD/h |
Dublin (IE) / eu-west-1 | 0.376333 USD/h | 0.668 USD/h |
Milan (IT) / eu-south-1 | 0.112167 USD/h | 0.7 USD/h |
London (GB) / eu-west-2 | 0.306367 USD/h | 0.7 USD/h |
Seoul (KR) / ap-northeast-2 | 0.282667 USD/h | 0.712 USD/h |
Singapore (SG) / ap-southeast-1 | 0.340933 USD/h | 0.712 USD/h |
Frankfurt (DE) / eu-central-1 | 0.356067 USD/h | 0.712 USD/h |
Tokyo (JP) / ap-northeast-1 | 0.2367 USD/h | 0.724 USD/h |
Sydney (AU) / ap-southeast-2 | 0.3045 USD/h | 0.724 USD/h |
Sao Paulo (BR) / sa-east-1 | 0.229233 USD/h | 0.948 USD/h |
Processor
vCPUs | 8 |
Hypervisor | nitro |
CPU Allocation | Dedicated |
CPU Cores | 4 |
CPU Speed | 3.1 GHz |
CPU Architecture | x86_64 |
CPU Manufacturer | Intel |
CPU Family | Xeon |
CPU Model | 8259CL |
CPU L1D Cache | 32 KiB |
CPU L1D Cache Total | 128 KiB |
CPU L1I Cache | 32 KiB |
CPU L1I Cache Total | 128 KiB |
CPU L2 Cache | 1 MiB |
CPU L2 Cache Total | 4 MiB |
CPU L3 Cache | 36 MiB |
CPU L3 Cache Total | 36 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, ss, ht, syscall, nx, pdpe1gb, rdtscp, lm, constant_tsc, rep_good, nopl, xtopology, nonstop_tsc, cpuid, aperfmperf, tsc_known_freq, pni, pclmulqdq, ssse3, fma, cx16, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, tsc_deadline_timer, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, abm, 3dnowprefetch, pti, fsgsbase, tsc_adjust, bmi1, avx2, smep, bmi2, erms, invpcid, mpx, avx512f, avx512dq, rdseed, adx, smap, clflushopt, clwb, avx512cd, avx512bw, avx512vl, xsaveopt, xsavec, xgetbv1, xsaves, ida, arat, pku, ospke, avx512_vnni |
System Resources and Accelerators
| MEMORY | |
|---|---|
Memory Amount | 64 GiB |
Memory Generation | DDR4 |
Memory Speed | 3200 Mhz |
| GPU | |
|---|---|
GPU Count | 0 |
GPUs |
| STORAGE | |
|---|---|
Storage Size | 0 GB |
Storages |
| NETWORK | |
|---|---|
Network Speed | 2.5 Gbps |
Inbound Traffic | 0 GB/month |
Outbound Traffic | 0 GB/month |
IPv4 | 0 |
Economics
Performance
Memory Bandwidth
Compression
OpenSSL
Geekbench Single-Core
Score: 1,116
Geekbench Multi-Core
Score: 4,225
Passmark CPU Scores
| BENCHMARK | SCORE |
|---|---|
Mark | 7687 |
Compression | 100377 |
Encryption | 3124 |
Extended Instructions | 6019 |
Floating Point Maths | 12142 |
Integer Maths | 22631 |
Physics | 871 |
Prime Numbers | 48 |
Single Threaded | 1815 |
String Sorting | 11831 |
Passmark Memory Scores
| BENCHMARK | SCORE |
|---|---|
Memory Mark | 2069 |
Database Operations | 2586 |
Memory Latency | 62 |
Memory Read Cached | 21900 |
Memory Read Uncached | 8606 |
Memory Write | 7934 |
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 |
|---|---|---|---|
| r5b.large | 2 | 16 GiB | 0 |
| r5b.xlarge | 4 | 32 GiB | 0 |
| r5b.4xlarge | 16 | 128 GiB | 0 |
| r5b.8xlarge | 32 | 256 GiB | 0 |
| r5b.12xlarge | 48 | 384 GiB | 0 |
| r5b.16xlarge | 64 | 512 GiB | 0 |
| r5b.24xlarge | 96 | 768 GiB | 0 |
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