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x8i.16xlarge by Amazon Web Services

x8i.16xlarge is a Memory intensive [Intel processors] Gen8 16xlarge server offered by Amazon Web Services with 64 vCPUs, 1024 GiB of memory and 0 GB of storage. The pricing starts at 0.7225 USD per hour.
64 vCPU
1024 GiB Memory
Spare SCore
69208
(All-cores)
2121
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
x8i.16xlarge
Description
Memory intensive [Intel processors] Gen8 16xlarge
Family
x8i
Hw Virt
Status
active
Observed At
2026-07-30T22:58:14.361205

Availability

REGION / IDSPOTONDEMAND
Northern Virgina (US) / us-east-1
1.75832 USD/h 7.0026 USD/h
Ohio (US) / us-east-2
1.958533 USD/h 7.0026 USD/h
Oregon (US) / us-west-2
2.096625 USD/h 7.0026 USD/h
Mumbai (IN) / ap-south-1
0.7545 USD/h 7.225 USD/h
Stockholm (SE) / eu-north-1
0.814167 USD/h 7.9859 USD/h
Dublin (IE) / eu-west-1
2.2291 USD/h 8.4032 USD/h
Paris (FR) / eu-west-3
1.033067 USD/h 8.823 USD/h
(MY) / ap-southeast-5
0.9139 USD/h 9.1386 USD/h
Frankfurt (DE) / eu-central-1
1.8395 USD/h 9.8038 USD/h
Seoul (KR) / ap-northeast-2
1.0154 USD/h 10.1539 USD/h
Tokyo (JP) / ap-northeast-1
1.0358 USD/h 10.1539 USD/h
Sydney (AU) / ap-southeast-2
1.6725 USD/h 10.1539 USD/h
Singapore (SG) / ap-southeast-1
3.976067 USD/h 10.1539 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
6975P-C
CPU L1D Cache
48 KiB
CPU L1D Cache Total
2 MiB
CPU L1I Cache
64 KiB
CPU L1I Cache Total
2 MiB
CPU L2 Cache
2 MiB
CPU L2 Cache Total
64 MiB
CPU L3 Cache
480 MiB
CPU L3 Cache Total
480 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, cpuid_fault, 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, bus_lock_detect, cldemote, movdiri, movdir64b, md_clear, serialize, amx_bf16, avx512_fp16, amx_tile, amx_int8, flush_l1d, arch_capabilities
Ecpus
32.6
Scalability
101.88

System Resources and Accelerators

MEMORY
Memory Amount
1 TB
Memory Amount Actual
1 TB
Memory Generation
DDR5
Memory Speed
7200 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
      30 Gbps
      Network Speed Max
      30 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

      CPU and System Topology

      Server Description

      A high-density memory-optimized platform featuring DDR5 memory and advanced matrix extensions for demanding database and analytical workloads.

      Memory OptimizedCompute Optimized

      Amazon Web Services x8i.16xlarge is a memory-optimized instance featuring 64 vCPUs and 32 physical cores powered by an Intel Xeon 6975P-C processor running at 3.9 GHz. Built on the x86_64 architecture, it includes 1024.0 GB of DDR5 memory at 7 GHz, providing 16.0 GB of RAM per core, alongside a 30 Gbps baseline network bandwidth. The instance lacks local storage and GPUs but leverages Intel Advanced Matrix Extensions (AMX) and AVX-512. Benchmarks show top-tier performance, including a Geekbench multi-core score of 20822.0 and static web serving throughput of 106.03 GB/sec. It delivers strong memory bandwidth and prompt processing speeds for medium-sized LLM models. This configuration is highly efficient for memory-intensive databases, large-scale caching, and in-memory analytics.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      4.41Score
      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) 13,899,126 ops/sec 1,896,415 ops/sec 7.33 50.00% 50.00% +171.00%
      Redis RPS (pipeline=16, SET) 78,511,690 ops/sec 11,539,523 ops/sec 6.8 20.00% 20.00% +46.70%
      PassMark Memory Mark (composite) 2,584 2,411 1.07 10.00% 10.00% +0.68%
      Memory bandwidth (read, 16 MB ~ L3) 207,340 MB/sec 107,368 MB/sec 1.93 10.00% 10.00% +6.80%
      PassMark single-thread CPU 3,274 Mops/s 2,363 Mops/s 1.39 10.00% 10.00% +3.35%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 2,176

      Geekbench Multi-Core

      Score: 20,822

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 82770
      Compression
      		 1276599
      Encryption
      		 72596
      Extended Instructions
      		 88432
      Floating Point Maths
      		 239082
      Integer Maths
      		 330211
      Physics
      		 8806
      Prime Numbers
      		 522
      Single Threaded
      		 3274
      String Sorting
      		 163415

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 2584
      Database Operations
      		 27755
      Memory Latency
      		 71
      Memory Read Cached
      		 28901
      Memory Read Uncached
      		 14243
      Memory Write
      		 10965

      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
      x8i.large 232 GiB0
      x8i.xlarge 464 GiB0
      x8i.2xlarge 8128 GiB0
      x8i.4xlarge 16256 GiB0
      x8i.8xlarge 32512 GiB0
      x8i.12xlarge 48768 GiB0
      x8i.24xlarge 961536 GiB0

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      x8i.16xlarge FAQs