ecs.c6.3xlarge by Alibaba Cloud

ecs.c6.3xlarge is a ecs.c6 family (12 vCPUs, 24 GiB RAM, 0 GB storage) server offered by Alibaba Cloud with 12 vCPUs, 24 GiB of memory and 0 GB of storage. The pricing starts at 0.1253 USD per hour.
12 vCPU
24 GiB Memory
Spare SCore
10,473
(All-cores)
1,311
(Single-core)

Specifications

Server Metadata

Vendor ID
alicloud
Name
ecs.c6.3xlarge
Description
ecs.c6 family (12 vCPUs, 24 GiB RAM, 0 GB storage)
Family
ecs.c6
Hw Virt
Average Time To Start
16.5
Status
active
Observed At
2026-10-23T18:18:26.218831

Availability

REGION / IDSPOTONDEMAND
Shenzhen (CN) / cn-shenzhen
- 0.3622 USD/h
Riyadh (SA) / me-central-1
0.15035 USD/h 0.6264 USD/h

Processor

vCPUs
12
Hypervisor
KVM
CPU Allocation
Dedicated
CPU Cores
6
CPU Speed
2.5 GHz
CPU Architecture
x86_64
CPU Manufacturer
Intel
CPU Family
Xeon
CPU Model
8269CY
CPU L1D Cache
32 KiB
CPU L1D Cache Total
192 KiB
CPU L1I Cache
32 KiB
CPU L1I Cache Total
192 KiB
CPU L2 Cache
1 MiB
CPU L2 Cache Total
6 MiB
CPU L3 Cache
36 MiB
CPU L3 Cache Total
36 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, monitor, ssse3, fma, cx16, pcid, sse4_1, sse4_2, x2apic, movbe, popcnt, aes, xsave, avx, f16c, rdrand, hypervisor, lahf_lm, abm, 3dnowprefetch, pti, fsgsbase, tsc_adjust, bmi1, avx2, smep, bmi2, erms, invpcid, avx512f, avx512dq, rdseed, adx, smap, clflushopt, clwb, avx512cd, avx512bw, avx512vl, xsaveopt, xsavec, xgetbv1, xsaves, arat, avx512_vnni
Ecpus
8
Scalability
66.67

System Resources and Accelerators

MEMORY
Memory Amount
24 GiB
Memory Amount Actual
24 GiB
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
      4 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      CPU and System Topology

      Server Description

      A compute-optimized x86_64 instance with twelve dedicated vCPUs, offering balanced multi-core performance for parallelized workloads without local storage.

      Compute OptimizedGeneral Purpose

      Alibaba Cloud ecs.c6.3xlarge is an x86_64 compute-optimized instance featuring an Intel Xeon 8269CY processor with 12 dedicated vCPUs (6 physical cores) and 24.0 GB of RAM. Operating on a KVM hypervisor, it provides a 1:2 vCPU-to-RAM ratio, 4 Gbps baseline network bandwidth, and no local storage. Performance benchmarks reveal a contrast between weak single-core performance (bottom 25% in stress-ng and compression tests) and average multi-core performance (middle 50% in Geekbench and PassMark). The processor supports AVX-512 instruction sets, enhancing vector calculations. This instance offers qualitative cost efficiency for parallelized workloads that do not require high memory density or local storage. It is suited for multi-threaded tasks, static web serving, software compilation, and moderate database operations.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      0.6Score
      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) 1,043,125 ops/sec 1,919,289 ops/sec 0.53 50.00% 50.00% -27.00%
      Redis RPS (pipeline=16, SET) 6,098,888 ops/sec 11,728,058 ops/sec 0.51 20.00% 20.00% -13.00%
      PassMark Memory Mark (composite) 2,277 2,416 0.96 10.00% 10.00% -0.41%
      Memory bandwidth (read, 16 MB ~ L3) 74,920 MB/sec 108,466 MB/sec 0.68 10.00% 10.00% -3.80%
      PassMark single-thread CPU 1,966 Mops/s 2,365 Mops/s 0.83 10.00% 10.00% -1.80%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 1,166

      Geekbench Multi-Core

      Score: 5,894

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 11,934
      Compression
      		 164,481
      Encryption
      		 4,848
      Extended Instructions
      		 9,806
      Floating Point Maths
      		 18,786
      Integer Maths
      		 34,933
      Physics
      		 1,239
      Prime Numbers
      		 71
      Single Threaded
      		 1,966
      String Sorting
      		 21,963

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 2,277
      Database Operations
      		 4,215
      Memory Latency
      		 56
      Memory Read Cached
      		 22,395
      Memory Read Uncached
      		 9,653
      Memory Write
      		 9,466

      Stress-ng Stressors

      CPU integerSingleMultiScaling
      atomic
      		 213.57 207.01 0.97×
      bitops
      		 114,691 765,413 6.67×
      branch
      		 144,442 1,315,132 9.10×
      funccall
      		 531.06 3,347 6.30×
      funcret
      		 10,781 93,913 8.71×
      hash
      		 122,650 1,087,123 8.86×
      intmath
      		 20,904 192,033 9.19×
      nop
      		 179,480 931,055 5.19×
      prime
      		 304,106 2,039,405 6.71×
      rotate
      		 90,595 691,849 7.64×
      str
      		 704,579 5,414,289 7.68×
      wcs
      		 486,184 3,276,002 6.74×
      CryptographySingleMultiScaling
      crypt
      		 2,287 13,399 5.86×
      CompressionSingleMultiScaling
      jpeg
      		 558.48 4,158 7.45×
      zlib
      		 54.3 513.07 9.45×
      HypervisorSingleMultiScaling
      clock
      		 15,623 119,369 7.64×
      clone
      		 438.57 2,553 5.82×
      context
      		 1,777 14,313 8.06×
      cpu-sched
      		 55.94 744.3 13.31×
      eventfd
      		 79,480 620,634 7.81×
      fault
      		 12,023 93,908 7.81×
      fork
      		 3,858 30,593 7.93×
      getrandom
      		 42,293 314,166 7.43×
      hrtimers
      		 130,429 1,108,317 8.50×
      mprotect
      		 899,783 1,669,259 1.86×
      mtx
      		 13,173,180 326,543,252 24.79×
      munmap
      		 2,723 20,959 7.70×
      null
      		 190,173 1,424,163 7.49×
      pipe
      		 866,751 3,479,276 4.01×
      priv-instr
      		 404,502 3,111,052 7.69×
      resched
      		 2,378,933 1,328,615 0.56×
      switch
      		 157,201 1,408,358 8.96×
      timermix
      		 328,323 2,735,077 8.33×
      tlb-shootdown
      		 10,443 28,296 2.71×
      tsc
      		 933,304 7,779,963 8.34×
      usersyscall
      		 281,331 2,183,569 7.76×
      vdso
      		 74,266,297 672,730,182 9.06×
      vfork
      		 27,598 152,752 5.53×
      x86syscall
      		 2,129,725 16,052,831 7.54×
      yield
      		 5,611,976 5,992,301 1.07×
      zero
      		 1,441,080 10,372,781 7.20×
      CPU float/SIMDSingleMultiScaling
      eigen
      		 15,018 111,669 7.44×
      expmath
      		 2,514 23,163 9.21×
      fma
      		 546,209 5,353,896 9.80×
      fp
      		 110.06 1,031 9.36×
      fractal
      		 4.6 40.8 8.87×
      hyperbolic
      		 2,605 24,683 9.47×
      logmath
      		 4,282 38,727 9.04×
      matrix
      		 2,835 27,356 9.65×
      matrix-3d
      		 635.12 2,518 3.96×
      monte-carlo
      		 97.09 772.78 7.96×
      mpfr
      		 1,141 7,445 6.52×
      powmath
      		 1,487 13,646 9.18×
      trig
      		 1,607 13,049 8.12×
      veccmp
      		 14,625 90,335 6.18×
      vecfp
      		 1,247 9,554 7.66×
      vecmath
      		 2,049 19,428 9.48×
      vecshuf
      		 528.93 3,410 6.45×
      vecwide
      		 24,440 153,534 6.28×
      AlgorithmsSingleMultiScaling
      bitonicsort
      		 6.8 47.8 7.03×
      bsearch
      		 233.38 1,603 6.87×
      bubblesort
      		 0.6 4.8 8.00×
      fibsearch
      		 263.36 1,985 7.54×
      heapsort
      		 8 58.2 7.28×
      hsearch
      		 4,707 35,617 7.57×
      insertionsort
      		 7.6 45.6 6.00×
      malloc
      		 2,118,130 20,150,740 9.51×
      mcontend
      		 124.66 3,105 24.91×
      mergesort
      		 25 197 7.88×
      qsort
      		 17.6 130 7.39×
      skiplist
      		 4,915 41,217 8.39×
      tree
      		 1.4 9.6 6.86×
      MemorySingleMultiScaling
      cache
      		 355,803 744,108 2.09×
      cachehammer
      		 373,389 3,933,183 10.53×
      cacheline
      		 32.89 385.54 11.72×
      l1cache
      		 212.86 1,382 6.49×
      memcpy
      		 357.59 2,178 6.09×
      memrate
      		 1.17 6.88 5.88×
      memthrash
      		 214.02 431.95 2.02×
      ptr-chase
      		 17,405,477 107,757,750 6.19×
      spinmem
      		 370.39 1,004 2.71×
      stream
      		 29.36 2,577 87.76×
      vm
      		 56,263 292,408 5.20×

      Stress-ng Raw Scores

      Stress-ng Relative Multicore Performance

      Static Web Server

      Redis

      Alternatives

      Servers of the Same Family

      INSTANCEvCPUsMEMORYAccelerators
      ecs.c6.large 24 GiB0
      ecs.c6.xlarge 48 GiB0
      ecs.c6.2xlarge 816 GiB0
      ecs.c6.4xlarge 1632 GiB0
      ecs.c6.6xlarge 2448 GiB0
      ecs.c6.8xlarge 3264 GiB0
      ecs.c6.13xlarge 5296 GiB0

      Similar Servers

      INSTANCEVENDORvCPUsMEMORYAccelerators

      ecs.c6.3xlarge FAQs