c6a.48xlarge by Amazon Web Services
(All-cores)
(Single-core)
Specifications
Server Metadata
Vendor ID | aws |
Name | c6a.48xlarge |
Description | Compute optimized [AMD processors] Gen6 48xlarge |
Family | c6a |
Hw Virt | |
Status | active |
Observed At | 2026-07-04T21:52:35.422139 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
Hyderabad (IN) / ap-south-2 | 0.559067 USD/h | 4.488 USD/h |
Mumbai (IN) / ap-south-1 | 1.455367 USD/h | 4.488 USD/h |
Northern Virgina (US) / us-east-1 | 2.09266 USD/h | 7.344 USD/h |
Oregon (US) / us-west-2 | 2.3952 USD/h | 7.344 USD/h |
Ohio (US) / us-east-2 | 2.431767 USD/h | 7.344 USD/h |
Dublin (IE) / eu-west-1 | 2.895767 USD/h | 7.8797 USD/h |
Quebec (CA) / ca-central-1 | 1.054533 USD/h | 8.0352 USD/h |
Frankfurt (DE) / eu-central-1 | 2.517067 USD/h | 8.3808 USD/h |
Singapore (SG) / ap-southeast-1 | 2.807133 USD/h | 8.4672 USD/h |
London (GB) / eu-west-2 | 1.9478 USD/h | 8.7264 USD/h |
California (US) / us-west-1 | 2.1467 USD/h | 9.1584 USD/h |
Tokyo (JP) / ap-northeast-1 | 2.197567 USD/h | 9.2448 USD/h |
Hong Kong (HK) / ap-east-1 | 1.3816 USD/h | 9.3312 USD/h |
Sydney (AU) / ap-southeast-2 | 4.704733 USD/h | 9.5904 USD/h |
Sao Paulo (BR) / sa-east-1 | 1.1318 USD/h | 11.3184 USD/h |
Processor
vCPUs | 192 |
Hypervisor | nitro |
CPU Allocation | Dedicated |
CPU Cores | 96 |
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 | 3 MiB |
CPU L1I Cache | 32 KiB |
CPU L1I Cache Total | 3 MiB |
CPU L2 Cache | 512 KiB |
CPU L2 Cache Total | 48 MiB |
CPU L3 Cache | 32 MiB |
CPU L3 Cache Total | 384 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, monitor, 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, perfctr_core, 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 |
Ecpus | 95.9 |
Scalability | 99.9 |
System Resources and Accelerators
| MEMORY | |
|---|---|
Memory Amount | 384 GiB |
Memory Amount Actual | 384 GiB |
Memory Generation | DDR4 |
Memory Speed | 2933 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 | 50 Gbps |
Network Speed Max | 50 Gbps |
Network Storage Speed Baseline | 40 Gbps |
Network Storage Speed Max | 40 Gbps |
Inbound Traffic | 0 GB/month |
Outbound Traffic | 0 GB/month |
IPv4 | 0 |
Server Description
A high-core-density compute instance delivering top-tier multi-threaded performance and high-speed memory bandwidth for parallel processing workloads.
Amazon Web Services c6a.48xlarge is a compute-optimized instance featuring 192 vCPUs and 96 physical cores powered by an AMD EPYC 7R13 processor running at 3.6 GHz. Built on the AWS Nitro hypervisor, it includes 384.0 GB of DDR4 memory at 3 GHz, offering 2.0 GB of RAM per core. The instance lacks local storage and GPUs but provides a baseline network bandwidth of 50 Gbps. Benchmarks indicate top-tier multi-core CPU and memory performance, with outstanding results in PassMark CPU, encryption, and physics tests. It also delivers strong performance in software compilation and Redis SET operations. This instance is highly efficient for parallel processing workloads, making it suitable for high-performance computing, batch processing, static web serving, and CPU-based machine learning inference.
Economics
Performance
Workload Profiles
Memory Bandwidth
Compression
OpenSSL
Geekbench Single-Core
Geekbench Multi-Core
Passmark CPU Scores
| BENCHMARK | SCORE |
|---|---|
Mark | 114279 |
Compression | 2954145 |
Encryption | 218640 |
Extended Instructions | 153246 |
Floating Point Maths | 484394 |
Integer Maths | 882111 |
Physics | 14124 |
Prime Numbers | 1057 |
Single Threaded | 2642 |
String Sorting | 366267 |
Passmark Memory Scores
| BENCHMARK | SCORE |
|---|---|
Memory Mark | 3001 |
Database Operations | 30053 |
Memory Latency | 61 |
Memory Read Cached | 26442 |
Memory Read Uncached | 17482 |
Memory Write | 17491 |
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 |
|---|---|---|---|
| c6a.large | 2 | 4 GiB | 0 |
| c6a.xlarge | 4 | 8 GiB | 0 |
| c6a.2xlarge | 8 | 16 GiB | 0 |
| c6a.4xlarge | 16 | 32 GiB | 0 |
| c6a.8xlarge | 32 | 64 GiB | 0 |
| c6a.12xlarge | 48 | 96 GiB | 0 |
| c6a.16xlarge | 64 | 128 GiB | 0 |
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