m8i-flex.12xlarge by Amazon Web Services

m8i-flex.12xlarge is a General purpose [Intel processors] Gen8 12xlarge server offered by Amazon Web Services with 48 vCPUs, 192 GiB of memory and 0 GB of storage. The pricing starts at 0.2539 USD per hour.
48 vCPU
192 GiB Memory
Spare SCore
51,975
(All-cores)
2,131
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
m8i-flex.12xlarge
Description
General purpose [Intel processors] Gen8 12xlarge
Family
m8i-flex
Hw Virt
Status
active
Observed At
2026-10-26T10:39:47.741217

Availability

REGION / IDSPOTONDEMAND
Ohio (US) / us-east-2
0.565533 USD/h 2.4132 USD/h
Oregon (US) / us-west-2
0.945175 USD/h 2.4132 USD/h
Northern Virgina (US) / us-east-1
0.98542 USD/h 2.4132 USD/h
Hyderabad (IN) / ap-south-2
0.287567 USD/h 2.539 USD/h
Mumbai (IN) / ap-south-1
0.7375 USD/h 2.539 USD/h
(MY) / ap-southeast-5
0.651333 USD/h 2.5639 USD/h
Aragón (ES) / eu-south-2
0.284167 USD/h 2.6897 USD/h
Quebec (CA) / ca-central-1
0.4194 USD/h 2.6897 USD/h
Calgary (CA) / ca-west-1
0.69035 USD/h 2.6897 USD/h
Dublin (IE) / eu-west-1
1.228333 USD/h 2.6897 USD/h
London (GB) / eu-west-2
0.9119 USD/h 2.7902 USD/h
Paris (FR) / eu-west-3
0.483733 USD/h 2.8154 USD/h
California (US) / us-west-1
0.5195 USD/h 2.8154 USD/h
Frankfurt (DE) / eu-central-1
0.979 USD/h 2.8908 USD/h
Seoul (KR) / ap-northeast-2
0.536775 USD/h 2.9664 USD/h
Sydney (AU) / ap-southeast-2
0.685567 USD/h 3.0166 USD/h
Singapore (SG) / ap-southeast-1
1.1659 USD/h 3.0166 USD/h
Tokyo (JP) / ap-northeast-1
0.9582 USD/h 3.1169 USD/h
(NZ) / ap-southeast-6
0.592233 USD/h 3.1673 USD/h
Cape Town (ZA) / af-south-1
0.5566 USD/h 3.1925 USD/h
Sao Paulo (BR) / sa-east-1
0.429167 USD/h 3.846 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
6975P-C
CPU L1D Cache
48 KiB
CPU L1D Cache Total
1 MiB
CPU L1I Cache
64 KiB
CPU L1I Cache Total
2 MiB
CPU L2 Cache
2 MiB
CPU L2 Cache Total
48 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
24.4
Scalability
50.83

System Resources and Accelerators

MEMORY
Memory Amount
192 GiB
Memory Amount Actual
192 GiB
Memory Generation
DDR5
Memory Speed
7200 Mhz
ACCELERATORS
Accelerator Count
0
Accelerator Memory Min
0 MiB
Accelerator Memory Total
0 MiB
Accelerators
    STORAGE
    Storage Size
    0 GB
    Storages
      NETWORK
      Network Speed Baseline
      11.25 Gbps
      Network Speed Max
      22.5 Gbps
      Network Storage Speed Baseline
      7.5 Gbps
      Network Storage Speed Max
      15 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Server Description

      A balanced general-purpose server featuring dedicated Intel Xeon processors, DDR5 memory, and advanced matrix extensions for accelerated workloads.

      General PurposeCompute Optimized

      Amazon Web Services m8i-flex.12xlarge is a general-purpose server featuring 48 dedicated vCPUs powered by an Intel Xeon 6975P-C processor running at 3.9 GHz. It is equipped with 192.0 GB of DDR5 memory at 7 GHz, but lacks local storage and dedicated GPUs. Operating on the Nitro hypervisor, the server delivers strong performance across various benchmarks, including a Geekbench multi-core score of 19542.0 and a PassMark CPU score of 69378.72. The processor supports advanced instruction sets like AVX-512 and Intel AMX, enabling top-tier image processing and strong LLM inference speeds, such as 340.25 tokens per second for small model text generation. With an 11 Gbps baseline network bandwidth and no local storage, this server is optimized for workloads such as database operations, web serving, software compilation, and medium-scale machine learning inference.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      3.5Score
      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) 10,442,564 ops/sec 1,919,289 ops/sec 5.3 50.00% 50.00% +130.00%
      Redis RPS (pipeline=16, SET) 58,776,961 ops/sec 11,728,058 ops/sec 4.9 20.00% 20.00% +37.00%
      PassMark Memory Mark (composite) 2,433 2,416 1 10.00% 10.00% 0.00%
      Memory bandwidth (read, 16 MB ~ L3) 231,694 MB/sec 108,466 MB/sec 2.1 10.00% 10.00% +7.70%
      PassMark single-thread CPU 3,282 Mops/s 2,365 Mops/s 1.4 10.00% 10.00% +3.40%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 2,145

      Geekbench Multi-Core

      Score: 19,542

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 69,379
      Compression
      		 963,347
      Encryption
      		 54,496
      Extended Instructions
      		 67,822
      Floating Point Maths
      		 179,702
      Integer Maths
      		 248,155
      Physics
      		 8,140
      Prime Numbers
      		 476
      Single Threaded
      		 3,282
      String Sorting
      		 125,089

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 2,433
      Database Operations
      		 23,134
      Memory Latency
      		 70
      Memory Read Cached
      		 27,889
      Memory Read Uncached
      		 9,999
      Memory Write
      		 10,774

      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

      INSTANCEvCPUsMEMORYAccelerators
      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.16xlarge 64256 GiB0

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      m8i-flex.12xlarge FAQs