F4ams_v6 by Microsoft Azure
(All-cores)
(Single-core)
Specifications
Server Metadata
Vendor ID | azure |
Server ID | Standard_F4ams_v6 |
Name | F4ams_v6 |
API Reference | Standard_F4ams_v6 |
Description | Famsv6 family [AMD processor] [Memory Intensive] [Premium Storage capable] 4 vCPUs |
Family | Famsv6 |
Hw Virt | |
Average Time To Start | 16 |
Status | active |
Observed At | 2026-10-29T17:27:48.797969 |
Availability
| REGION / ID | SPOT | ONDEMAND |
|---|---|---|
New Zealand North (NZ) / newzealandnorth | 0.0091 USD/h | 0.0449 USD/h |
Central India (IN) / centralindia | 0.0427 USD/h | 0.231 USD/h |
Jio India Central (IN) / jioindiacentral | - | 0.231 USD/h |
Jio India West (IN) / jioindiawest | - | 0.231 USD/h |
East US 2 (US) / eastus2 | 0.0662 USD/h | 0.358 USD/h |
North Central US (US) / northcentralus | 0.0662 USD/h | 0.358 USD/h |
West US 2 (US) / westus2 | 0.0662 USD/h | 0.358 USD/h |
West US 3 (US) / westus3 | 0.0662 USD/h | 0.358 USD/h |
East US (US) / eastus | 0.0755 USD/h | 0.358 USD/h |
India South Central (IN) / indiasouthcentral | 0.0695 USD/h | 0.376 USD/h |
Sweden Central (SE) / swedencentral | 0.0708 USD/h | 0.383 USD/h |
Mexico Central (ZA) / mexicocentral | 0.0728 USD/h | 0.394 USD/h |
Canada Central (CA) / canadacentral | 0.0739 USD/h | 0.4 USD/h |
Canada East (CA) / canadaeast | 0.0739 USD/h | 0.4 USD/h |
North Europe (IE) / northeurope | 0.0739 USD/h | 0.4 USD/h |
Central US (US) / centralus | 0.0746 USD/h | 0.404 USD/h |
Indonesia Central (ID) / indonesiacentral | 0.0748 USD/h | 0.405 USD/h |
Malaysia West (MY) / malaysiawest | 0.0748 USD/h | 0.405 USD/h |
Korea South (KR) / koreasouth | 0.0761 USD/h | 0.412 USD/h |
UK South (GB) / uksouth | 0.0769 USD/h | 0.416 USD/h |
France Central (FR) / francecentral | 0.0776 USD/h | 0.42 USD/h |
Italy North (IT) / italynorth | 0.0776 USD/h | 0.42 USD/h |
Spain Central (ES) / spaincentral | 0.0776 USD/h | 0.42 USD/h |
West US (US) / westus | 0.0776 USD/h | 0.42 USD/h |
South Central US (US) / southcentralus | 0.0791 USD/h | 0.428 USD/h |
West Central US (US) / westcentralus | 0.0791 USD/h | 0.428 USD/h |
Austria East (AT) / austriaeast | 0.0798 USD/h | 0.432 USD/h |
Belgium Central (BE) / belgiumcentral | 0.0798 USD/h | 0.432 USD/h |
Denmark East (DK) / denmarkeast | 0.0798 USD/h | 0.432 USD/h |
Poland Central (PL) / polandcentral | 0.0798 USD/h | 0.432 USD/h |
Germany West Central (DE) / germanywestcentral | 0.08 USD/h | 0.433 USD/h |
UK West (GB) / ukwest | 0.08 USD/h | 0.433 USD/h |
West Europe (NL) / westeurope | 0.08 USD/h | 0.433 USD/h |
Korea Central (KR) / koreacentral | 0.0815 USD/h | 0.441 USD/h |
Qatar Central (QA) / qatarcentral | 0.0815 USD/h | 0.441 USD/h |
UAE North (AE) / uaenorth | 0.0815 USD/h | 0.441 USD/h |
Australia Central 2 (AU) / australiacentral2 | 0.0449 USD/h | 0.449 USD/h |
Australia Central (AU) / australiacentral | 0.083 USD/h | 0.449 USD/h |
Australia East (AU) / australiaeast | 0.083 USD/h | 0.449 USD/h |
Southeast Asia (SG) / southeastasia | 0.083 USD/h | 0.449 USD/h |
West India (IN) / westindia | 0.0846 USD/h | 0.458 USD/h |
Australia Southeast (AU) / australiasoutheast | 0.0861 USD/h | 0.466 USD/h |
Japan East (JP) / japaneast | 0.0861 USD/h | 0.466 USD/h |
Japan West (JP) / japanwest | 0.0861 USD/h | 0.466 USD/h |
South Africa North (ZA) / southafricanorth | 0.0883 USD/h | 0.478 USD/h |
East Asia (HK) / eastasia | 0.0915 USD/h | 0.495 USD/h |
Chile Central (CL) / chilecentral | 0.0926 USD/h | 0.501 USD/h |
South India (IN) / southindia | 0.0931 USD/h | 0.504 USD/h |
Israel Central (IL) / israelcentral | 0.0946 USD/h | 0.512 USD/h |
Norway East (NO) / norwayeast | 0.0946 USD/h | 0.512 USD/h |
Switzerland North (CH) / switzerlandnorth | 0.0946 USD/h | 0.512 USD/h |
France South (FR) / francesouth | 0.1007 USD/h | 0.545 USD/h |
Germany North (DE) / germanynorth | 0.1039 USD/h | 0.562 USD/h |
UAE Central (AE) / uaecentral | 0.1059 USD/h | 0.573 USD/h |
Brazil South (BR) / brazilsouth | 0.1061 USD/h | 0.574 USD/h |
South Africa West (ZA) / southafricawest | 0.1146 USD/h | 0.62 USD/h |
Norway West (NO) / norwaywest | 0.1231 USD/h | 0.666 USD/h |
Switzerland West (CH) / switzerlandwest | 0.1231 USD/h | 0.666 USD/h |
Brazil Southeast (US) / brazilsoutheast | 0.1377 USD/h | 0.745 USD/h |
Processor
vCPUs | 4 |
Hypervisor | Microsoft Hyper-V |
CPU Allocation | Dedicated |
CPU Cores | 4 |
CPU Speed | 3.7 GHz |
CPU Architecture | x86_64 |
CPU Manufacturer | AMD |
CPU Family | EPYC |
CPU Model | 9V74 |
CPU L1D Cache | 32 KiB |
CPU L1D Cache Total | 128 KiB |
CPU L1I Cache | 32 KiB |
CPU L1I Cache Total | 128 KiB |
CPU L2 Cache | 1 MiB |
CPU L2 Cache Total | 4 MiB |
CPU L3 Cache | 32 MiB |
CPU L3 Cache Total | 32 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, constant_tsc, rep_good, nopl, tsc_reliable, nonstop_tsc, cpuid, extd_apicid, aperfmperf, pni, pclmulqdq, ssse3, fma, cx16, pcid, sse4_1, sse4_2, movbe, popcnt, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, cmp_legacy, svm, cr8_legacy, abm, sse4a, misalignsse, 3dnowprefetch, osvw, topoext, vmmcall, fsgsbase, bmi1, avx2, smep, bmi2, erms, invpcid, avx512f, avx512dq, rdseed, adx, smap, avx512ifma, clflushopt, clwb, avx512cd, sha_ni, avx512bw, avx512vl, xsaveopt, xsavec, xgetbv1, xsaves, user_shstk, avx512_bf16, clzero, xsaveerptr, rdpru, arat, npt, nrip_save, tsc_scale, vmcb_clean, flushbyasid, decodeassists, pausefilter, pfthreshold, v_vmsave_vmload, avx512vbmi, umip, avx512_vbmi2, gfni, vaes, vpclmulqdq, avx512_vnni, avx512_bitalg, avx512_vpopcntdq, rdpid, fsrm |
Ecpus | 4 |
Scalability | 100 |
System Resources and Accelerators
| MEMORY | |
|---|---|
Memory Amount | 32 GiB |
Memory Amount Actual | 32 GiB |
| ACCELERATORS | |
|---|---|
Accelerator Count | 0 |
Accelerator Memory Min | 0 MiB |
Accelerator Memory Total | 0 MiB |
Accelerators |
| STORAGE | |
|---|---|
Storage Size | 0 GB |
Storages |
| NETWORK | |
|---|---|
Inbound Traffic | 0 GB/month |
Outbound Traffic | 0 GB/month |
IPv4 | 0 |
CPU and System Topology
Server Description
A memory-intensive virtual machine featuring dedicated AMD EPYC cores and high memory density for database and text processing workloads.
The Microsoft Azure F4ams_v6 is a memory-intensive virtual machine from the Famsv6 family, powered by a 3.7 GHz AMD EPYC 9V74 processor with 4 dedicated physical cores on the x86_64 architecture. It features 32.0 GB of RAM, providing a high 8.0 GB per vCPU ratio, but includes no local storage. Benchmarks show strong single-core CPU and text processing performance, alongside average multi-core and database execution speeds. However, uncached large-block memory read bandwidth is a performance bottleneck, landing in the bottom 25%. Lacking a GPU and local disks, this instance is qualitatively cost-efficient for memory-heavy workloads relying on external premium storage. It is best suited for database operations, text processing, and moderate memory-bound applications.
Economics
Performance
Memory Bandwidth
Compression
OpenSSL
Geekbench Single-Core
Geekbench Multi-Core
Passmark CPU Scores
| BENCHMARK | SCORE |
|---|---|
Mark | 10,622 |
Compression | 104,874 |
Encryption | 5,243 |
Extended Instructions | 9,664 |
Floating Point Maths | 21,306 |
Integer Maths | 24,142 |
Physics | 1,335 |
Prime Numbers | 79 |
Single Threaded | 2,906 |
String Sorting | 15,414 |
Passmark Memory Scores
| BENCHMARK | SCORE |
|---|---|
Memory Mark | 2,506 |
Database Operations | 3,747 |
Memory Latency | 76 |
Memory Read Cached | 27,900 |
Memory Read Uncached | 27,580 |
Memory Write | 26,847 |
Stress-ng Stressors
| CPU integer | Single | Multi | Scaling |
|---|---|---|---|
atomic | 586.59 | 585.69 | 1.00× |
bitops | 160,561 | 640,011 | 3.99× |
branch | 212,680 | 849,066 | 3.99× |
funccall | 619.68 | 2,462 | 3.97× |
funcret | 21,394 | 84,842 | 3.97× |
hash | 163,553 | 649,203 | 3.97× |
intmath | 67,152 | 265,328 | 3.95× |
nop | 628,769 | 2,495,114 | 3.97× |
prime | 475,618 | 1,902,991 | 4.00× |
rotate | 88,363 | 351,626 | 3.98× |
str | 1,062,521 | 4,349,416 | 4.09× |
wcs | 693,903 | 2,810,134 | 4.05× |
| Cryptography | Single | Multi | Scaling |
|---|---|---|---|
crypt | 3,760 | 14,894 | 3.96× |
| Compression | Single | Multi | Scaling |
|---|---|---|---|
jpeg | 872.69 | 3,403 | 3.90× |
zlib | 71.15 | 235.15 | 3.30× |
| Hypervisor | Single | Multi | Scaling |
|---|---|---|---|
clock | 22,981 | 85,579 | 3.72× |
clone | 1,399 | 3,421 | 2.45× |
context | 3,061 | 12,171 | 3.98× |
cpu-sched | 61.3 | 253.88 | 4.14× |
eventfd | 44,089 | 335,042 | 7.60× |
fault | 10,894 | 37,815 | 3.47× |
fork | 5,721 | 19,208 | 3.36× |
getrandom | 53,018 | 207,741 | 3.92× |
hrtimers | 166,591 | 516,264 | 3.10× |
mprotect | 996,948 | 1,089,537 | 1.09× |
mtx | 42,601,320 | 595,746,743 | 13.98× |
munmap | 3,829 | 13,871 | 3.62× |
null | 354,043 | 1,401,373 | 3.96× |
pipe | 1,245,540 | 2,285,413 | 1.83× |
priv-instr | 446,988 | 1,772,721 | 3.97× |
resched | 883,207 | 456,402 | 0.52× |
switch | 108,123 | 875,113 | 8.09× |
timermix | 192,466 | 798,400 | 4.15× |
tlb-shootdown | 19,576 | 26,913 | 1.37× |
tsc | 785,965 | 3,123,700 | 3.97× |
usersyscall | 333,364 | 1,323,176 | 3.97× |
vdso | 94,546,210 | 376,015,208 | 3.98× |
vfork | 35,710 | 117,539 | 3.29× |
x86syscall | 4,173,332 | 16,577,572 | 3.97× |
yield | 2,612,939 | 2,580,013 | 0.99× |
zero | 2,785,044 | 11,067,667 | 3.97× |
| CPU float/SIMD | Single | Multi | Scaling |
|---|---|---|---|
eigen | 16,575 | 65,159 | 3.93× |
expmath | 2,729 | 10,854 | 3.98× |
fma | 920,885 | 3,654,681 | 3.97× |
fp | 252 | 1,000 | 3.97× |
fractal | 7.4 | 29.4 | 3.97× |
hyperbolic | 3,567 | 15,190 | 4.26× |
logmath | 4,568 | 18,178 | 3.98× |
matrix | 4,937 | 19,600 | 3.97× |
matrix-3d | 149.18 | 512.63 | 3.44× |
monte-carlo | 182.33 | 728.46 | 4.00× |
mpfr | 1,700 | 6,736 | 3.96× |
powmath | 1,354 | 5,368 | 3.96× |
trig | 1,857 | 7,385 | 3.98× |
veccmp | 19,061 | 75,510 | 3.96× |
vecfp | 1,813 | 7,200 | 3.97× |
vecmath | 4,036 | 15,984 | 3.96× |
vecshuf | 639.05 | 2,539 | 3.97× |
vecwide | 28,609 | 113,625 | 3.97× |
| Algorithms | Single | Multi | Scaling |
|---|---|---|---|
bitonicsort | 10.4 | 41.6 | 4.00× |
bsearch | 306.62 | 1,223 | 3.99× |
bubblesort | 0.8 | 3.8 | 4.75× |
fibsearch | 380.42 | 1,513 | 3.98× |
heapsort | 10.8 | 43.2 | 4.00× |
hsearch | 11,219 | 44,738 | 3.99× |
insertionsort | 13.2 | 52 | 3.94× |
malloc | 3,788,432 | 17,307,123 | 4.57× |
mcontend | 233.49 | 771.58 | 3.30× |
mergesort | 34 | 134.8 | 3.96× |
qsort | 22 | 87.4 | 3.97× |
skiplist | 7,116 | 28,160 | 3.96× |
tree | 2 | 8.2 | 4.10× |
| Memory | Single | Multi | Scaling |
|---|---|---|---|
cache | 926,894 | 1,562,831 | 1.69× |
cachehammer | 275,554 | 1,102,614 | 4.00× |
cacheline | 71.09 | 259.95 | 3.66× |
l1cache | 263.59 | 1,012 | 3.84× |
memcpy | 448.24 | 1,785 | 3.98× |
memrate | 3.74 | 5.12 | 1.37× |
memthrash | 86.54 | 245.35 | 2.84× |
ptr-chase | 58,194,644 | 60,097,421 | 1.03× |
spinmem | 334.79 | 261.34 | 0.78× |
stream | 139.43 | 744.95 | 5.34× |
vm | 196,306 | 291,299 | 1.48× |
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
| INSTANCE | vCPUs | MEMORY | Accelerators |
|---|---|---|---|
| F2ams_v6 | 2 | 16 GiB | 0 |
| F8ams_v6 | 8 | 64 GiB | 0 |
| F16ams_v6 | 16 | 128 GiB | 0 |
| F32ams_v6 | 32 | 256 GiB | 0 |
| F48ams_v6 | 48 | 384 GiB | 0 |
| F64ams_v6 | 64 | 512 GiB | 0 |
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