r7iz.16xlarge by Amazon Web Services

r7iz.16xlarge is a Memory optimized [Intel processors] [High performance] Gen7 16xlarge server offered by Amazon Web Services with 64 vCPUs, 512 GiB of memory and 0 GB of storage. The pricing starts at 1.1869 USD per hour.
64 vCPU
512 GiB Memory
Spare SCore
69,190
(All-cores)
2,112
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
r7iz.16xlarge
Description
Memory optimized [Intel processors] [High performance] Gen7 16xlarge
Family
r7iz
Hw Virt
Status
active
Observed At
2026-09-21T05:40:01.969066

Availability

REGION / IDSPOTONDEMAND
Northern Virgina (US) / us-east-1
1.90868 USD/h 5.952 USD/h
Oregon (US) / us-west-2
2.1805 USD/h 5.952 USD/h
Ohio (US) / us-east-2
2.2106 USD/h 5.952 USD/h
Dublin (IE) / eu-west-1
2.763267 USD/h 6.656 USD/h
Frankfurt (DE) / eu-central-1
3.2742 USD/h 7.2 USD/h
Tokyo (JP) / ap-northeast-1
1.449067 USD/h 7.264 USD/h

Processor

vCPUs
64
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
32
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
2 MiB
CPU L1I Cache
32 KiB
CPU L1I Cache Total
1 MiB
CPU L2 Cache
2 MiB
CPU L2 Cache Total
64 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
Ecpus
32.8
Scalability
102.5

System Resources and Accelerators

MEMORY
Memory Amount
512 GiB
Memory Amount Actual
512 GiB
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
      25 Gbps
      Network Speed Max
      25 Gbps
      Network Storage Speed Baseline
      20 Gbps
      Network Storage Speed Max
      20 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Server Description

      A high-frequency, memory-optimized x86 platform featuring DDR5 memory and advanced matrix extensions for demanding database and computational workloads.

      Memory OptimizedCompute Optimized

      Amazon Web Services r7iz.16xlarge is a memory-optimized server featuring 64 vCPUs and 32 physical cores powered by 3.9 GHz Intel Xeon 6455B processors. Built on the x86_64 architecture and running on the Nitro hypervisor, it is equipped with 512.0 GB of DDR5 memory operating at 5 GHz, though it lacks local storage and dedicated GPUs. The server delivers top-tier performance in database operations and single-core processing, supported by Intel Advanced Matrix Extensions and AVX-512 instructions. It achieves a baseline network speed of 25 Gbps. This instance is highly suited for memory-intensive workloads, large-scale relational databases, in-memory data stores, and CPU-driven machine learning inference.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      3.81Score
      Precomputed compound score for Cache Intensive workloads. A weighted average (geometric mean) of benchmark scores compared to their medians: score = ∏ (x_i / m_i)^(w_i / Σw). The score of 1.0 represents a synthetic baseline server with the median performance of each component benchmark; 0.5 means roughly half the performance; and 2.0 means twice the performance of that reference profile. Component weights: 50% Redis RPS (pipeline=1, SET), 20% Redis RPS (pipeline=16, SET), 10% PassMark Memory Mark (composite), 10% Memory bandwidth (read, 16 MB ~ L3), 10% PassMark single-thread CPU. Rationale for component selection: In-memory key-value store workload, mixing direct Redis performance metrics with memory speed and latency benchmarks, and single-core CPU performance profiles.
      Component Score Weight Impact
      Raw Reference Normalized Target Actual
      Redis RPS (pipeline=1, SET) 12,037,467 ops/sec 1,919,696 ops/sec 6.27 50.00% 50.00% +150.00%
      Redis RPS (pipeline=16, SET) 51,274,245 ops/sec 11,736,081 ops/sec 4.37 20.00% 20.00% +34.30%
      PassMark Memory Mark (composite) 2,541 2,418 1.05 10.00% 10.00% +0.49%
      Memory bandwidth (read, 16 MB ~ L3) 266,074 MB/sec 108,260 MB/sec 2.46 10.00% 10.00% +9.42%
      PassMark single-thread CPU 3,170 Mops/s 2,365 Mops/s 1.34 10.00% 10.00% +2.97%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 2,262

      Geekbench Multi-Core

      Score: 21,445

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 79020
      Compression
      		 1172578
      Encryption
      		 72986
      Extended Instructions
      		 83697
      Floating Point Maths
      		 235770
      Integer Maths
      		 331392
      Physics
      		 8176
      Prime Numbers
      		 380
      Single Threaded
      		 3170
      String Sorting
      		 156645

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 2541
      Database Operations
      		 33889
      Memory Latency
      		 69
      Memory Read Cached
      		 27382
      Memory Read Uncached
      		 10277
      Memory Write
      		 14879

      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

      INSTANCEvCPUsMEMORYGPUs
      r7iz.large 216 GiB0
      r7iz.xlarge 432 GiB0
      r7iz.2xlarge 864 GiB0
      r7iz.4xlarge 16128 GiB0
      r7iz.8xlarge 32256 GiB0
      r7iz.12xlarge 48384 GiB0
      r7iz.metal-16xl 64512 GiB0

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      r7iz.16xlarge FAQs