r7a.48xlarge by Amazon Web Services
(All-cores)
(Single-core)
Specifications
Server Metadata
Vendor ID | aws |
Name | r7a.48xlarge |
Description | Memory optimized [AMD processors] Gen7 48xlarge |
Family | r7a |
Hw Virt | |
Status | active |
Observed At | 2026-07-04T21:52:35.446181 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
Northern Virgina (US) / us-east-1 | 3.62118 USD/h | 14.6064 USD/h |
Oregon (US) / us-west-2 | 4.402125 USD/h | 14.6064 USD/h |
Ohio (US) / us-east-2 | 5.258633 USD/h | 14.6064 USD/h |
Hyderabad (IN) / ap-south-2 | 4.018 USD/h | 15.0701 USD/h |
Stockholm (SE) / eu-north-1 | 4.338 USD/h | 15.5328 USD/h |
Dublin (IE) / eu-west-1 | 5.711733 USD/h | 16.345 USD/h |
Aragón (ES) / eu-south-2 | 5.004967 USD/h | 16.345 USD/h |
Tokyo (JP) / ap-northeast-1 | 3.6991 USD/h | 17.6198 USD/h |
Frankfurt (DE) / eu-central-1 | 4.956733 USD/h | 17.6198 USD/h |
Processor
vCPUs | 192 |
Hypervisor | nitro |
CPU Allocation | Dedicated |
CPU Cores | 192 |
CPU Speed | 3.7 GHz |
CPU Architecture | x86_64 |
CPU Manufacturer | AMD |
CPU Family | EPYC |
CPU Model | 9R14 |
CPU L1D Cache | 32 KiB |
CPU L1D Cache Total | 6 MiB |
CPU L1I Cache | 32 KiB |
CPU L1I Cache Total | 6 MiB |
CPU L2 Cache | 1 MiB |
CPU L2 Cache Total | 192 MiB |
CPU L3 Cache | 32 MiB |
CPU L3 Cache Total | 768 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, perfmon_v2, ibrs, ibpb, stibp, ibrs_enhanced, vmmcall, fsgsbase, bmi1, avx2, smep, bmi2, invpcid, avx512f, avx512dq, rdseed, adx, smap, avx512ifma, clflushopt, clwb, avx512cd, sha_ni, avx512bw, avx512vl, xsaveopt, xsavec, xgetbv1, xsaves, avx512_bf16, clzero, xsaveerptr, rdpru, wbnoinvd, arat, avx512vbmi, pku, ospke, avx512_vbmi2, gfni, vaes, vpclmulqdq, avx512_vnni, avx512_bitalg, avx512_vpopcntdq, rdpid, flush_l1d |
Ecpus | 191.5 |
Scalability | 99.74 |
System Resources and Accelerators
| MEMORY | |
|---|---|
Memory Amount | 2 TB |
Memory Amount Actual | 2 TB |
Memory Generation | DDR5 |
Memory Speed | 4800 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-density memory-optimized platform featuring dedicated AMD EPYC processors and DDR5 RAM for demanding in-memory enterprise workloads.
Amazon Web Services r7a.48xlarge is a memory-optimized instance featuring 192 dedicated physical cores powered by AMD EPYC 9R14 processors on the x86_64 architecture. Operating at 3.7 GHz, the instance is equipped with 1536.0 GB of DDR5 memory running at 5 GHz, yielding 8.0 GB of RAM per core. It lacks local storage and GPU accelerators but provides a baseline network bandwidth of 50 Gbps. Benchmarks indicate top-tier multi-core CPU and memory bandwidth performance, with a stress-ng multi-core score of 588,964.61 and uncached read bandwidth of 652.3 GB/sec. This high-density memory profile, combined with strong single-core and multi-core processing capabilities, makes the r7a.48xlarge highly efficient for large-scale in-memory databases, memory-intensive enterprise applications, and high-throughput data processing workloads.
Economics
Performance
Workload Profiles
Memory Bandwidth
Compression
OpenSSL
Geekbench Single-Core
Geekbench Multi-Core
Passmark CPU Scores
| BENCHMARK | SCORE |
|---|---|
Mark | 143337 |
Compression | 3918828 |
Encryption | 240079 |
Extended Instructions | 299673 |
Floating Point Maths | 998855 |
Integer Maths | 1156847 |
Physics | 38387 |
Prime Numbers | 3049 |
Single Threaded | 2887 |
String Sorting | 563665 |
Passmark Memory Scores
| BENCHMARK | SCORE |
|---|---|
Memory Mark | 2849 |
Database Operations | 31580 |
Memory Latency | 78 |
Memory Read Cached | 27825 |
Memory Read Uncached | 27018 |
Memory Write | 25417 |
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 |
|---|---|---|---|
| r7a.medium | 1 | 8 GiB | 0 |
| r7a.large | 2 | 16 GiB | 0 |
| r7a.xlarge | 4 | 32 GiB | 0 |
| r7a.2xlarge | 8 | 64 GiB | 0 |
| r7a.4xlarge | 16 | 128 GiB | 0 |
| r7a.8xlarge | 32 | 256 GiB | 0 |
| r7a.12xlarge | 48 | 384 GiB | 0 |
Similar Servers
| INSTANCE | VENDOR | vCPUs | MEMORY | GPUs |
|---|