r7iz.12xlarge by Amazon Web Services
r7iz.12xlarge is a Memory optimized [Intel processors] [High performance] Gen7 12xlarge server offered by Amazon Web Services with 48 vCPUs, 384 GiB of memory and 0 GB of storage. The pricing starts at 1.0711 USD per hour.
48 vCPU
384 GiB Memory
Spare SCore
51907
(All-cores)
(All-cores)
2112
(Single-core)
(Single-core)
Specifications
Server Metadata
Vendor ID | aws |
Name | r7iz.12xlarge |
Description | Memory optimized [Intel processors] [High performance] Gen7 12xlarge |
Family | r7iz |
Status | active |
Observed At | 2026-05-07T08:11:57.791796 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
Northern Virgina (US) / us-east-1 | 1.56586 USD/h | 4.464 USD/h |
Ohio (US) / us-east-2 | 1.563967 USD/h | 4.464 USD/h |
Oregon (US) / us-west-2 | 1.70665 USD/h | 4.464 USD/h |
Dublin (IE) / eu-west-1 | 2.143367 USD/h | 4.992 USD/h |
Frankfurt (DE) / eu-central-1 | 2.323833 USD/h | 5.4 USD/h |
Tokyo (JP) / ap-northeast-1 | 1.8312 USD/h | 5.448 USD/h |
Processor
vCPUs | 48 |
Hypervisor | nitro |
CPU Allocation | Dedicated |
CPU Cores | 24 |
CPU Speed | 3.9 GHz |
CPU Architecture | x86_64 |
CPU Manufacturer | Intel |
CPU Family | Xeon |
CPU Model | 6455B |
CPU L1D Cache | 48 KiB |
CPU L1D Cache Total | 1 MiB |
CPU L1I Cache | 32 KiB |
CPU L1I Cache Total | 768 KiB |
CPU L2 Cache | 2 MiB |
CPU L2 Cache Total | 48 MiB |
CPU L3 Cache | 60 MiB |
CPU L3 Cache Total | 60 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, pdcm, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, tsc_deadline_timer, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, abm, 3dnowprefetch, ssbd, ibrs, ibpb, stibp, ibrs_enhanced, fsgsbase, tsc_adjust, bmi1, avx2, smep, bmi2, erms, invpcid, avx512f, avx512dq, rdseed, adx, smap, avx512ifma, clflushopt, clwb, avx512cd, sha_ni, avx512bw, avx512vl, xsaveopt, xsavec, xgetbv1, xsaves, avx_vnni, avx512_bf16, wbnoinvd, ida, arat, avx512vbmi, umip, pku, ospke, waitpkg, avx512_vbmi2, gfni, vaes, vpclmulqdq, avx512_vnni, avx512_bitalg, tme, avx512_vpopcntdq, rdpid, cldemote, movdiri, movdir64b, md_clear, serialize, amx_bf16, avx512_fp16, amx_tile, amx_int8, flush_l1d, arch_capabilities |
System Resources and Accelerators
| MEMORY | |
|---|---|
Memory Amount | 384 GiB |
Memory Generation | DDR5 |
Memory Speed | 4800 Mhz |
| GPU | |
|---|---|
GPU Count | 0 |
GPUs |
| STORAGE | |
|---|---|
Storage Size | 0 GB |
Storages |
| NETWORK | |
|---|---|
Network Speed | 25 Gbps |
Inbound Traffic | 0 GB/month |
Outbound Traffic | 0 GB/month |
IPv4 | 0 |
Economics
Performance
Memory Bandwidth
Compression
OpenSSL
Geekbench Single-Core
Score: 2,278
Geekbench Multi-Core
Score: 19,792
Passmark CPU Scores
| BENCHMARK | SCORE |
|---|---|
Mark | 66342 |
Compression | 884941 |
Encryption | 55016 |
Extended Instructions | 67130 |
Floating Point Maths | 176895 |
Integer Maths | 248637 |
Physics | 7542 |
Prime Numbers | 324 |
Single Threaded | 3166 |
String Sorting | 120670 |
Passmark Memory Scores
| BENCHMARK | SCORE |
|---|---|
Memory Mark | 2568 |
Database Operations | 26029 |
Memory Latency | 69 |
Memory Read Cached | 28852 |
Memory Read Uncached | 10457 |
Memory Write | 15045 |
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 |
|---|---|---|---|
| r7iz.large | 2 | 16 GiB | 0 |
| r7iz.xlarge | 4 | 32 GiB | 0 |
| r7iz.2xlarge | 8 | 64 GiB | 0 |
| r7iz.4xlarge | 16 | 128 GiB | 0 |
| r7iz.8xlarge | 32 | 256 GiB | 0 |
| r7iz.16xlarge | 64 | 512 GiB | 0 |
| r7iz.metal-16xl | 64 | 512 GiB | 0 |
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