E20as_v4 by Microsoft Azure

E20as_v4 is a EASv4 family [AMD processor] [Premium Storage capable] 20 vCPUs server offered by Microsoft Azure with 20 vCPUs, 160 GiB of memory and 344 GB of storage. The pricing starts at 0.1467 USD per hour.
20 vCPU
160 GiB Memory
344 GB Storage
Spare SCore
27,049
(All-cores)
2,708
(Single-core)

Specifications

Server Metadata

Vendor ID
azure
Server ID
Standard_E20as_v4
Name
E20as_v4
API Reference
Standard_E20as_v4
Description
EASv4 family [AMD processor] [Premium Storage capable] 20 vCPUs
Family
EASv4
Hw Virt
Average Time To Start
21
Status
active
Observed At
2026-11-09T20:41:38.335790

Availability

REGION / IDSPOTONDEMAND
Central India (IN) / centralindia
0.1467 USD/h 0.794 USD/h
Jio India Central (IN) / jioindiacentral
- 0.794 USD/h
Jio India West (IN) / jioindiawest
- 0.794 USD/h
East US 2 (US) / eastus2
0.2328 USD/h 1.26 USD/h
North Central US (US) / northcentralus
0.2328 USD/h 1.26 USD/h
West US 2 (US) / westus2
0.2328 USD/h 1.26 USD/h
West US 3 (US) / westus3
0.2328 USD/h 1.26 USD/h
East US (US) / eastus
0.2652 USD/h 1.26 USD/h
India South Central (IN) / indiasouthcentral
0.2402 USD/h 1.3 USD/h
Spain Central (ES) / spaincentral
0.2458 USD/h 1.33 USD/h
Sweden Central (SE) / swedencentral
0.2476 USD/h 1.34 USD/h
Indonesia Central (ID) / indonesiacentral
0.2513 USD/h 1.36 USD/h
Malaysia West (MY) / malaysiawest
0.2528 USD/h 1.368 USD/h
Austria East (AT) / austriaeast
0.2532 USD/h 1.37 USD/h
Belgium Central (BE) / belgiumcentral
0.2532 USD/h 1.37 USD/h
Denmark East (DK) / denmarkeast
0.2532 USD/h 1.37 USD/h
Canada Central (CA) / canadacentral
0.255 USD/h 1.38 USD/h
Canada East (CA) / canadaeast
0.255 USD/h 1.38 USD/h
Mexico Central (ZA) / mexicocentral
0.2561 USD/h 1.386 USD/h
West US (US) / westus
0.2587 USD/h 1.4 USD/h
North Europe (IE) / northeurope
0.2606 USD/h 1.41 USD/h
Central US (US) / centralus
0.263 USD/h 1.424 USD/h
Korea South (KR) / koreasouth
0.2661 USD/h 1.44 USD/h
UK South (GB) / uksouth
0.26 USD/h 1.48 USD/h
France Central (FR) / francecentral
0.2735 USD/h 1.48 USD/h
Israel Central (IL) / israelcentral
0.2735 USD/h 1.48 USD/h
Italy North (IT) / italynorth
0.2735 USD/h 1.48 USD/h
Australia Central 2 (AU) / australiacentral2
0.151 USD/h 1.51 USD/h
Australia Central (AU) / australiacentral
0.279 USD/h 1.51 USD/h
Australia East (AU) / australiaeast
0.279 USD/h 1.51 USD/h
South Central US (US) / southcentralus
0.2794 USD/h 1.512 USD/h
West Central US (US) / westcentralus
0.2794 USD/h 1.512 USD/h
Germany West Central (DE) / germanywestcentral
0.2809 USD/h 1.52 USD/h
Japan East (JP) / japaneast
0.2809 USD/h 1.52 USD/h
Japan West (JP) / japanwest
0.2809 USD/h 1.52 USD/h
Korea Central (KR) / koreacentral
0.2809 USD/h 1.52 USD/h
Poland Central (PL) / polandcentral
0.2809 USD/h 1.52 USD/h
Southeast Asia (SG) / southeastasia
0.2809 USD/h 1.52 USD/h
West Europe (NL) / westeurope
0.3089 USD/h 1.52 USD/h
UK West (GB) / ukwest
0.2818 USD/h 1.525 USD/h
Qatar Central (QA) / qatarcentral
0.2866 USD/h 1.551 USD/h
UAE North (AE) / uaenorth
0.2866 USD/h 1.551 USD/h
Chile Central (CL) / chilecentral
0.2924 USD/h 1.582 USD/h
New Zealand North (NZ) / newzealandnorth
0.2931 USD/h 1.586 USD/h
West India (IN) / westindia
0.2981 USD/h 1.613 USD/h
Australia Southeast (AU) / australiasoutheast
0.3027 USD/h 1.638 USD/h
East Asia (HK) / eastasia
0.3086 USD/h 1.67 USD/h
South Africa North (ZA) / southafricanorth
0.3105 USD/h 1.68 USD/h
South India (IN) / southindia
0.3284 USD/h 1.777 USD/h
Norway East (NO) / norwayeast
0.333 USD/h 1.802 USD/h
Switzerland North (CH) / switzerlandnorth
0.333 USD/h 1.802 USD/h
France South (FR) / francesouth
0.3556 USD/h 1.924 USD/h
Germany North (DE) / germanynorth
0.3652 USD/h 1.976 USD/h
Brazil South (BR) / brazilsouth
0.3714 USD/h 2.01 USD/h
UAE Central (AE) / uaecentral
0.3726 USD/h 2.016 USD/h
South Africa West (ZA) / southafricawest
0.4036 USD/h 2.184 USD/h
Norway West (NO) / norwaywest
0.4328 USD/h 2.342 USD/h
Switzerland West (CH) / switzerlandwest
0.4328 USD/h 2.342 USD/h
Brazil Southeast (US) / brazilsoutheast
0.4829 USD/h 2.613 USD/h

Processor

vCPUs
20
Hypervisor
Microsoft Hyper-V
CPU Allocation
Dedicated
CPU Cores
10
CPU Speed
3.525 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
CPU Model
7763
CPU L1D Cache
32 KiB
CPU L1D Cache Total
320 KiB
CPU L1I Cache
32 KiB
CPU L1I Cache Total
320 KiB
CPU L2 Cache
512 KiB
CPU L2 Cache Total
5 MiB
CPU L3 Cache
32 MiB
CPU L3 Cache Total
160 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, ht, syscall, nx, mmxext, fxsr_opt, pdpe1gb, rdtscp, lm, rep_good, nopl, cpuid, extd_apicid, pni, pclmulqdq, ssse3, fma, cx16, sse4_1, sse4_2, movbe, popcnt, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, cmp_legacy, cr8_legacy, abm, sse4a, misalignsse, 3dnowprefetch, osvw, topoext, vmmcall, fsgsbase, bmi1, avx2, smep, bmi2, erms, rdseed, adx, smap, clflushopt, clwb, sha_ni, xsaveopt, xsavec, xgetbv1, xsaves, xsaveerptr, arat, umip, vaes, vpclmulqdq, rdpid, fsrm
Ecpus
10
Scalability
50

System Resources and Accelerators

MEMORY
Memory Amount
160 GiB
Memory Amount Actual
160 GiB
ACCELERATORS
Accelerator Count
0
Accelerator Memory Min
0 MiB
Accelerator Memory Total
0 MiB
Accelerators
    STORAGE
    Storage Size
    344 GB
    Storage Type
    ssd
    Storages
    • 344 GB ssd (temp disk)
    NETWORK
    Inbound Traffic
    0 GB/month
    Outbound Traffic
    0 GB/month
    IPv4
    0

    CPU and System Topology

    Server Description

    A memory-optimized virtual machine featuring high memory density, dedicated AMD EPYC processing, and local SSD storage for database workloads.

    Memory OptimizedStorage & DatabaseGeneral Purpose

    Microsoft Azure E20as_v4 is an x86_64 memory-optimized virtual machine powered by an AMD EPYC 7763 processor. It delivers 20 dedicated vCPUs, 160.0 GB of RAM, and 328 GB of local SSD storage. Operating under Microsoft Hyper-V, this instance offers a high memory-to-vCPU ratio of 8.0 GB per core. Benchmarks reveal strong single-core CPU and memory performance, while multi-core processing, memory bandwidth, and database operations align with average tiers. However, the instance exhibits weak to poor performance in LLM inference tasks, making it unsuitable for large-scale AI workloads. The E20as_v4 is qualitatively cost-effective for memory-heavy enterprise applications, relational databases, and caching systems that benefit from high resource density without requiring GPU acceleration.

    Economics

    Average Price per Region

    Prices per Zone

    Lowest Prices

    Performance

    Workload Profiles

    0.93Score
    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) 1,587,699 ops/sec 1,922,940 ops/sec 0.84 50.00% 50.00% -8.30%
    Redis RPS (pipeline=16, SET) 11,846,231 ops/sec 11,797,257 ops/sec 1 20.00% 20.00% 0.00%
    PassMark Memory Mark (composite) 2,895 2,406 1.2 10.00% 10.00% +1.80%
    Memory bandwidth (read, 16 MB ~ L3) 109,522 MB/sec 108,657 MB/sec 1 10.00% 10.00% 0.00%
    PassMark single-thread CPU 2,396 Mops/s 2,365 Mops/s 1 10.00% 10.00% 0.00%

    Memory Bandwidth

    Compression

    OpenSSL

    Geekbench Single-Core

    Score: 1,583

    Geekbench Multi-Core

    Score: 11,290

    Passmark CPU Scores

    BENCHMARKSCORE
    Mark
    27,067
    Compression
    319,661
    Encryption
    21,632
    Extended Instructions
    18,692
    Floating Point Maths
    45,957
    Integer Maths
    83,224
    Physics
    3,520
    Prime Numbers
    191
    Single Threaded
    2,396
    String Sorting
    45,164

    Passmark Memory Scores

    BENCHMARKSCORE
    Memory Mark
    2,895
    Database Operations
    8,946
    Memory Latency
    63
    Memory Read Cached
    24,490
    Memory Read Uncached
    20,427
    Memory Write
    19,097

    Stress-ng Stressors

    CPU integerSingleMultiScaling
    atomic
    397.99 192.11 0.48×
    bitops
    141,934 1,628,564 11.47×
    branch
    164,099 2,999,880 18.28×
    funccall
    538.24 7,028 13.06×
    funcret
    16,696 221,691 13.28×
    hash
    136,787 2,071,086 15.14×
    intmath
    57,952 784,478 13.54×
    nop
    283,345 2,838,072 10.02×
    prime
    393,904 4,812,922 12.22×
    rotate
    77,327 769,718 9.95×
    str
    864,319 10,439,261 12.08×
    wcs
    576,570 6,411,742 11.12×
    CryptographySingleMultiScaling
    crypt
    3,183 30,941 9.72×
    CompressionSingleMultiScaling
    jpeg
    711.6 10,129 14.23×
    zlib
    48.08 915.73 19.05×
    HypervisorSingleMultiScaling
    clock
    3,779 55,263 14.62×
    clone
    972.43 10,022 10.31×
    context
    3,421 56,892 16.63×
    cpu-sched
    73.04 1,249 17.10×
    eventfd
    24,603 1,129,494 45.91×
    fault
    8,374 89,231 10.66×
    fork
    3,772 30,967 8.21×
    getrandom
    45,392 574,685 12.66×
    hrtimers
    69,133 942,094 13.63×
    mprotect
    733,631 3,519,550 4.80×
    mtx
    27,073,174 947,047,072 34.98×
    munmap
    2,582 24,190 9.37×
    null
    434,182 6,969,749 16.05×
    pipe
    1,694,789 8,452,413 4.99×
    priv-instr
    395,366 5,922,873 14.98×
    resched
    4,259,008 940,695 0.22×
    switch
    54,628 2,857,362 52.31×
    timermix
    41,678 908,227 21.79×
    tlb-shootdown
    10,811 58,791 5.44×
    tsc
    668,421 12,735,777 19.05×
    usersyscall
    313,693 4,765,078 15.19×
    vdso
    73,766,991 1,202,505,341 16.30×
    vfork
    20,333 153,219 7.54×
    x86syscall
    5,381,205 89,073,728 16.55×
    yield
    10,810,368 11,025,099 1.02×
    zero
    2,898,492 43,623,621 15.05×
    CPU float/SIMDSingleMultiScaling
    eigen
    14,026 144,754 10.32×
    expmath
    2,440 39,006 15.99×
    fma
    779,117 12,228,091 15.69×
    fp
    228 3,336 14.63×
    fractal
    6.8 111.22 16.36×
    hyperbolic
    3,298 49,753 15.09×
    logmath
    3,887 55,506 14.28×
    matrix
    2,718 39,828 14.66×
    matrix-3d
    88.44 1,801 20.36×
    monte-carlo
    204.26 3,221 15.77×
    mpfr
    1,404 17,095 12.18×
    powmath
    1,165 19,474 16.71×
    trig
    1,489 22,934 15.40×
    veccmp
    16,088 209,434 13.02×
    vecfp
    1,481 20,316 13.72×
    vecmath
    3,439 54,905 15.96×
    vecshuf
    534.94 6,184 11.56×
    vecwide
    23,707 299,047 12.61×
    AlgorithmsSingleMultiScaling
    bitonicsort
    8.8 91.8 10.43×
    bsearch
    264.3 3,480 13.17×
    bubblesort
    0.8 12 15.00×
    fibsearch
    321.44 3,815 11.87×
    heapsort
    9.4 112.6 11.98×
    hsearch
    7,691 87,736 11.41×
    insertionsort
    11.6 115.6 9.97×
    malloc
    2,995,118 32,925,349 10.99×
    mcontend
    101.48 2,764 27.23×
    mergesort
    27.4 404.39 14.76×
    qsort
    18 257.59 14.31×
    skiplist
    6,180 94,361 15.27×
    tree
    1.8 21.6 12.00×
    MemorySingleMultiScaling
    cache
    504,136 941,082 1.87×
    cachehammer
    222,055 3,752,151 16.90×
    cacheline
    25.34 580.57 22.91×
    l1cache
    142.08 1,587 11.17×
    memcpy
    367.19 3,475 9.46×
    memrate
    2.75 12.25 4.45×
    memthrash
    59.4 389.46 6.56×
    ptr-chase
    61,118,235 216,614,695 3.54×
    spinmem
    265.59 892.17 3.36×
    stream
    19.8 1,312 66.27×
    vm
    150,950 293,922 1.95×

    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
    E2as_v4 216 GiB0
    E4-2as_v4 232 GiB0
    E8-2as_v4 264 GiB0
    E4as_v4 432 GiB0
    E8-4as_v4 464 GiB0
    E16-4as_v4 4128 GiB0
    E8as_v4 864 GiB0

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    E20as_v4 FAQs