FX8-4ms_v2 by Microsoft Azure

FX8-4ms_v2 is a FXmsv2 family [Memory Intensive] [Premium Storage capable] [Intel processor] 8 vCPUs server offered by Microsoft Azure with 4 vCPUs, 168 GiB of memory and 0 GB of storage. The pricing starts at 0.1635 USD per hour.
4 vCPU
168 GiB Memory
Spare SCore
4,441
(All-cores)
2,166
(Single-core)

Specifications

Server Metadata

Vendor ID
azure
Server ID
Standard_FX8-4ms_v2
Name
FX8-4ms_v2
API Reference
Standard_FX8-4ms_v2
Description
FXmsv2 family [Memory Intensive] [Premium Storage capable] [Intel processor] 8 vCPUs
Family
FXmsv2
Hw Virt
Status
active
Observed At
2026-09-02T07:45:13.502052

Availability

REGION / IDSPOTONDEMAND
East US 2 (US) / eastus2
0.1635 USD/h 0.885 USD/h
West US 3 (US) / westus3
0.1635 USD/h 0.885 USD/h
East US (US) / eastus
0.1858 USD/h 0.885 USD/h
West US 2 (US) / westus2
0.1637 USD/h 0.886 USD/h
Central India (IN) / centralindia
0.1689 USD/h 0.914 USD/h
Canada Central (CA) / canadacentral
0.18 USD/h 0.974 USD/h
Central US (US) / centralus
0.1846 USD/h 1 USD/h
Sweden Central (SE) / swedencentral
0.1866 USD/h 1.01 USD/h
Indonesia Central (ID) / indonesiacentral
0.1915 USD/h 1.036 USD/h
South Central US (US) / southcentralus
0.1963 USD/h 1.062 USD/h
West Central US (US) / westcentralus
0.1963 USD/h 1.062 USD/h
North Europe (IE) / northeurope
0.1964 USD/h 1.063 USD/h
Spain Central (ES) / spaincentral
0.1964 USD/h 1.063 USD/h
UK West (GB) / ukwest
0.1979 USD/h 1.071 USD/h
Qatar Central (QA) / qatarcentral
0.2012 USD/h 1.089 USD/h
UAE North (AE) / uaenorth
0.2012 USD/h 1.089 USD/h
France Central (FR) / francecentral
0.2062 USD/h 1.116 USD/h
UK South (GB) / uksouth
0.2062 USD/h 1.116 USD/h
Australia Southeast (AU) / australiasoutheast
0.2127 USD/h 1.151 USD/h
Austria East (AT) / austriaeast
0.2127 USD/h 1.151 USD/h
Belgium Central (BE) / belgiumcentral
0.2127 USD/h 1.151 USD/h
West US (US) / westus
0.2127 USD/h 1.151 USD/h
Chile Central (CL) / chilecentral
0.229 USD/h 1.239 USD/h
Germany West Central (DE) / germanywestcentral
0.2292 USD/h 1.24 USD/h
West Europe (NL) / westeurope
0.2292 USD/h 1.24 USD/h
South India (IN) / southindia
0.2306 USD/h 1.248 USD/h
South Africa North (ZA) / southafricanorth
0.2338 USD/h 1.265 USD/h
Australia East (AU) / australiaeast
0.2373 USD/h 1.284 USD/h
Japan East (JP) / japaneast
0.2373 USD/h 1.284 USD/h
Korea Central (KR) / koreacentral
0.2373 USD/h 1.284 USD/h
Southeast Asia (SG) / southeastasia
0.2373 USD/h 1.284 USD/h
New Zealand North (NZ) / newzealandnorth
0.2491 USD/h 1.348 USD/h
Switzerland North (CH) / switzerlandnorth
0.2521 USD/h 1.364 USD/h
Germany North (DE) / germanynorth
0.2979 USD/h 1.612 USD/h
Brazil South (BR) / brazilsouth
0.3191 USD/h 1.727 USD/h

Processor

vCPUs
4
Hypervisor
Microsoft Hyper-V
CPU Allocation
Dedicated
CPU Cores
2
CPU Speed
4.2 GHz
CPU Architecture
x86_64
CPU Manufacturer
Intel
CPU Family
Xeon
CPU Model
8573C
CPU L1D Cache
48 KiB
CPU L1D Cache Total
96 KiB
CPU L1I Cache
32 KiB
CPU L1I Cache Total
64 KiB
CPU L2 Cache
2 MiB
CPU L2 Cache Total
4 MiB
CPU L3 Cache
260 MiB
CPU L3 Cache Total
260 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, tsc_reliable, nonstop_tsc, cpuid, aperfmperf, tsc_known_freq, pni, pclmulqdq, vmx, ssse3, fma, cx16, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, tsc_deadline_timer, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, abm, 3dnowprefetch, tpr_shadow, ept, vpid, ept_ad, fsgsbase, tsc_adjust, bmi1, hle, avx2, smep, bmi2, erms, invpcid, rtm, avx512f, avx512dq, rdseed, adx, smap, avx512ifma, clflushopt, clwb, avx512cd, sha_ni, avx512bw, avx512vl, xsaveopt, xsavec, xgetbv1, xsaves, user_shstk, avx_vnni, avx512_bf16, vnmi, avx512vbmi, umip, waitpkg, avx512_vbmi2, gfni, vaes, vpclmulqdq, avx512_vnni, avx512_bitalg, avx512_vpopcntdq, la57, rdpid, cldemote, movdiri, movdir64b, fsrm, serialize, tsxldtrk, ibt, amx_bf16, avx512_fp16, amx_tile, amx_int8, arch_capabilities
Ecpus
2.1
Scalability
105

System Resources and Accelerators

MEMORY
Memory Amount
168 GiB
Memory Amount Actual
168 GiB
GPU
GPU Count
0
GPU Memory Min
0 MiB
GPU Memory Total
0 MiB
GPUs
    STORAGE
    Storage Size
    0 GB
    Storages
    • 0 GB ssd (temp disk)
    NETWORK
    Inbound Traffic
    0 GB/month
    Outbound Traffic
    0 GB/month
    IPv4
    0

    Server Description

    A memory-intensive virtual server featuring high RAM-to-core density and strong single-threaded performance for memory-bound workloads.

    Memory OptimizedGeneral Purpose

    Microsoft Azure FX8-4ms_v2 is a memory-intensive virtual machine built on the x86_64 architecture and managed via Microsoft Hyper-V. It features 4 dedicated vCPUs from 2 physical Intel Xeon 8573C cores operating at 4.2 GHz, paired with 168.0 GB of RAM, yielding a high 42.0 GB per core ratio. The server has no local storage or GPUs but supports premium external storage. Benchmarks indicate top-tier single-core performance, particularly in text processing and single-threaded compression, though multi-core and uncached memory bandwidth metrics are weaker. This profile makes the server qualitatively cost-efficient for memory-heavy, single-threaded workloads, such as in-memory databases, caching systems, and lightweight data processing, rather than highly parallelized compute tasks.

    Economics

    Average Price per Region

    Prices per Zone

    Lowest Prices

    Performance

    Workload Profiles

    0.535Score
    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) 850,921 ops/sec 1,917,397 ops/sec 0.444 50.00% 50.00% -33.40%
    Redis RPS (pipeline=16, SET) 4,284,646 ops/sec 11,681,410 ops/sec 0.367 20.00% 20.00% -18.20%
    PassMark Memory Mark (composite) 2,355 2,418 0.974 10.00% 10.00% -0.26%
    Memory bandwidth (read, 16 MB ~ L3) 67,698 MB/sec 108,140 MB/sec 0.626 10.00% 10.00% -4.58%
    PassMark single-thread CPU 3,245 Mops/s 2,365 Mops/s 1.37 10.00% 10.00% +3.20%

    Memory Bandwidth

    Compression

    OpenSSL

    Geekbench Single-Core

    Score: 2,351

    Geekbench Multi-Core

    Score: 5,311

    Passmark CPU Scores

    BENCHMARKSCORE
    Mark
    		 8180
    Compression
    		 78856
    Encryption
    		 4726
    Extended Instructions
    		 6109
    Floating Point Maths
    		 15077
    Integer Maths
    		 21259
    Physics
    		 1012
    Prime Numbers
    		 42
    Single Threaded
    		 3245
    String Sorting
    		 10764

    Passmark Memory Scores

    BENCHMARKSCORE
    Memory Mark
    		 2355
    Database Operations
    		 3101
    Memory Latency
    		 58
    Memory Read Cached
    		 29009
    Memory Read Uncached
    		 10345
    Memory Write
    		 9475

    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
    FX2ms_v2 242 GiB0
    FX4-2ms_v2 284 GiB0
    FX8-2ms_v2 2168 GiB0
    FX4ms_v2 484 GiB0
    FX16-4ms_v2 4336 GiB0
    FX12-6ms_v2 6252 GiB0
    FX24-6ms_v2 6504 GiB0

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    FX8-4ms_v2 FAQs