c5n.18xlarge by Amazon Web Services
c5n.18xlarge is a Compute optimized [Network and EBS optimized] Gen5 18xlarge server offered by Amazon Web Services with 72 vCPUs, 192 GiB of memory and 0 GB of storage. The pricing starts at 0.4176 USD per hour.
72 vCPU
192 GiB Memory
Spare SCore
66661
(All-cores)
(All-cores)
1425
(Single-core)
(Single-core)
Specifications
Server Metadata
Vendor ID | aws |
Name | c5n.18xlarge |
Description | Compute optimized [Network and EBS optimized] Gen5 18xlarge |
Family | c5n |
Status | active |
Observed At | 2026-05-21T14:53:48.559741 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
Oregon (US) / us-west-2 | 1.20545 USD/h | 3.888 USD/h |
Ohio (US) / us-east-2 | 1.124733 USD/h | 3.888 USD/h |
Northern Virgina (US) / us-east-1 | 1.40538 USD/h | 3.888 USD/h |
Mumbai (IN) / ap-south-1 | 1.534367 USD/h | 3.888 USD/h |
Stockholm (SE) / eu-north-1 | 0.517867 USD/h | 4.176 USD/h |
Quebec (CA) / ca-central-1 | 1.1817 USD/h | 4.248 USD/h |
Seoul (KR) / ap-northeast-2 | 1.376967 USD/h | 4.392 USD/h |
Dublin (IE) / eu-west-1 | 1.629167 USD/h | 4.392 USD/h |
Frankfurt (DE) / eu-central-1 | 1.4407 USD/h | 4.428 USD/h |
Jakarta (ID) / ap-southeast-3 | 0.4464 USD/h | 4.464 USD/h |
Singapore (SG) / ap-southeast-1 | 1.6677 USD/h | 4.464 USD/h |
Paris (FR) / eu-west-3 | 0.958333 USD/h | 4.608 USD/h |
London (GB) / eu-west-2 | 1.693633 USD/h | 4.608 USD/h |
Milan (IT) / eu-south-1 | 0.4644 USD/h | 4.644 USD/h |
California (US) / us-west-1 | 1.4306 USD/h | 4.86 USD/h |
Osaka (JP) / ap-northeast-3 | 0.663167 USD/h | 4.896 USD/h |
Tokyo (JP) / ap-northeast-1 | 1.141033 USD/h | 4.896 USD/h |
Sydney (AU) / ap-southeast-2 | 1.4559 USD/h | 5.076 USD/h |
Hong Kong (HK) / ap-east-1 | 0.560633 USD/h | 5.148 USD/h |
Cape Town (ZA) / af-south-1 | 0.5227 USD/h | 5.227 USD/h |
Sao Paulo (BR) / sa-east-1 | 1.169367 USD/h | 5.976 USD/h |
Processor
vCPUs | 72 |
Hypervisor | nitro |
CPU Allocation | Dedicated |
CPU Cores | 36 |
CPU Speed | 3.4 GHz |
CPU Architecture | x86_64 |
CPU Manufacturer | Intel |
CPU Family | Xeon |
CPU Model | 8124M |
CPU L1D Cache | 32 KiB |
CPU L1D Cache Total | 1 MiB |
CPU L1I Cache | 32 KiB |
CPU L1I Cache Total | 1 MiB |
CPU L2 Cache | 1 MiB |
CPU L2 Cache Total | 36 MiB |
CPU L3 Cache | 25 MiB |
CPU L3 Cache Total | 50 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, arch_perfmon, rep_good, nopl, xtopology, nonstop_tsc, cpuid, aperfmperf, tsc_known_freq, pni, pclmulqdq, monitor, 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 |
System Resources and Accelerators
| MEMORY | |
|---|---|
Memory Amount | 192 GiB |
Memory Generation | DDR4 |
Memory Speed | 2666 Mhz |
| GPU | |
|---|---|
GPU Count | 0 |
GPUs |
| STORAGE | |
|---|---|
Storage Size | 0 GB |
Storages |
| NETWORK | |
|---|---|
Network Speed | 100 Gbps |
Inbound Traffic | 0 GB/month |
Outbound Traffic | 0 GB/month |
IPv4 | 0 |
Economics
Performance
Memory Bandwidth
Compression
OpenSSL
Geekbench Single-Core
Score: 1,191
Geekbench Multi-Core
Score: 12,018
Passmark CPU Scores
| BENCHMARK | SCORE |
|---|---|
Mark | 49891 |
Compression | 965974 |
Encryption | 30390 |
Extended Instructions | 65811 |
Floating Point Maths | 119649 |
Integer Maths | 223544 |
Physics | 4397 |
Prime Numbers | 266 |
Single Threaded | 2012 |
String Sorting | 111294 |
Passmark Memory Scores
| BENCHMARK | SCORE |
|---|---|
Memory Mark | 2702 |
Database Operations | 22221 |
Memory Latency | 52 |
Memory Read Cached | 24397 |
Memory Read Uncached | 10419 |
Memory Write | 10082 |
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 |
|---|---|---|---|
| c5n.large | 2 | 5 GiB | 0 |
| c5n.xlarge | 4 | 11 GiB | 0 |
| c5n.2xlarge | 8 | 21 GiB | 0 |
| c5n.4xlarge | 16 | 42 GiB | 0 |
| c5n.9xlarge | 36 | 96 GiB | 0 |
| c5n.metal | 72 | 192 GiB | 0 |
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