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m8i-flex.16xlarge by Amazon Web Services

m8i-flex.16xlarge is a General purpose [Intel processors] Gen8 16xlarge server offered by Amazon Web Services with 64 vCPUs, 256 GiB of memory and 0 GB of storage. The pricing starts at 0.5363 USD per hour.
64 vCPU
256 GiB Memory
Spare SCore
69359
(All-cores)
2134
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
m8i-flex.16xlarge
Description
General purpose [Intel processors] Gen8 16xlarge
Family
m8i-flex
Hw Virt
Status
active
Observed At
2026-07-28T00:08:50.015770

Availability

REGION / IDSPOTONDEMAND
Northern Virgina (US) / us-east-1
1.12826 USD/h 3.2176 USD/h
Ohio (US) / us-east-2
1.0421 USD/h 3.2176 USD/h
Oregon (US) / us-west-2
1.471325 USD/h 3.2176 USD/h
Mumbai (IN) / ap-south-1
1.549633 USD/h 3.3853 USD/h
Hyderabad (IN) / ap-south-2
1.0147 USD/h 3.3853 USD/h
(MY) / ap-southeast-5
1.197967 USD/h 3.4186 USD/h
Aragón (ES) / eu-south-2
0.698433 USD/h 3.5862 USD/h
Quebec (CA) / ca-central-1
1.7267 USD/h 3.5862 USD/h
Dublin (IE) / eu-west-1
1.6605 USD/h 3.5862 USD/h
London (GB) / eu-west-2
1.53 USD/h 3.7203 USD/h
Paris (FR) / eu-west-3
2.0226 USD/h 3.7539 USD/h
California (US) / us-west-1
1.33 USD/h 3.7539 USD/h
Frankfurt (DE) / eu-central-1
1.369167 USD/h 3.8544 USD/h
Seoul (KR) / ap-northeast-2
1.719325 USD/h 3.9552 USD/h
Singapore (SG) / ap-southeast-1
1.566067 USD/h 4.0221 USD/h
Sydney (AU) / ap-southeast-2
2.3065 USD/h 4.0221 USD/h
Tokyo (JP) / ap-northeast-1
1.122 USD/h 4.1558 USD/h
(NZ) / ap-southeast-6
1.366333 USD/h 4.223 USD/h
Cape Town (ZA) / af-south-1
0.609567 USD/h 4.2566 USD/h
Sao Paulo (BR) / sa-east-1
1.708267 USD/h 5.128 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, rep_good, nopl, xtopology, nonstop_tsc, cpuid, tsc_known_freq, pni, pclmulqdq, 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
32.5
Scalability
101.56

System Resources and Accelerators

MEMORY
Memory Amount
256 GiB
Memory Amount Actual
256 GiB
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
      15 Gbps
      Network Speed Max
      30 Gbps
      Network Storage Speed Baseline
      10 Gbps
      Network Storage Speed Max
      20 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Server Description

      A balanced general-purpose instance featuring high-speed DDR5 memory and advanced Intel matrix acceleration for versatile enterprise workloads.

      General PurposeCompute Optimized

      Amazon Web Services m8i-flex.16xlarge is a general-purpose instance featuring 64 vCPUs and 32 physical cores powered by an Intel Xeon 6975P-C processor running at 3.9 GHz. It is configured with 256 GB of high-speed DDR5 memory, yielding a balanced 4 GB of RAM per vCPU. Built on the AWS Nitro hypervisor, this instance does not include local storage or GPU accelerators, relying on network-attached storage and a baseline network bandwidth of 15 Gbps. Benchmarks show top-tier performance in Geekbench tests, static web serving, and LLM prompt processing, aided by Intel Advanced Matrix Extensions (AMX) and AVX-512. The flex family design provides qualitative cost advantages for workloads with variable resource demands. This instance is suited for web serving, database operations, software compilation, and enterprise application hosting.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      4.47Score
      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) 13,997,312 ops/sec 1,896,415 ops/sec 7.38 50.00% 50.00% +172.00%
      Redis RPS (pipeline=16, SET) 77,850,051 ops/sec 11,539,523 ops/sec 6.75 20.00% 20.00% +46.50%
      PassMark Memory Mark (composite) 2,567 2,411 1.06 10.00% 10.00% +0.58%
      Memory bandwidth (read, 16 MB ~ L3) 232,003 MB/sec 107,368 MB/sec 2.16 10.00% 10.00% +8.01%
      PassMark single-thread CPU 3,278 Mops/s 2,363 Mops/s 1.39 10.00% 10.00% +3.35%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 2,211

      Geekbench Multi-Core

      Score: 20,583

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 83187
      Compression
      		 1275849
      Encryption
      		 72786
      Extended Instructions
      		 88707
      Floating Point Maths
      		 239617
      Integer Maths
      		 330831
      Physics
      		 9381
      Prime Numbers
      		 546
      Single Threaded
      		 3278
      String Sorting
      		 163535

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 2567
      Database Operations
      		 29580
      Memory Latency
      		 66
      Memory Read Cached
      		 28641
      Memory Read Uncached
      		 10505
      Memory Write
      		 11681

      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
      m8i-flex.large 28 GiB0
      m8i-flex.xlarge 416 GiB0
      m8i-flex.2xlarge 832 GiB0
      m8i-flex.4xlarge 1664 GiB0
      m8i-flex.8xlarge 32128 GiB0
      m8i-flex.12xlarge 48192 GiB0

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      m8i-flex.16xlarge FAQs