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ecs.r7a.xlarge by Alibaba Cloud

ecs.r7a.xlarge is a ecs.r7a family (4 vCPUs, 32 GiB RAM, 0 GB storage) server offered by Alibaba Cloud with 4 vCPUs, 32 GiB of memory and 0 GB of storage. The pricing starts at 0.0315 USD per hour.
4 vCPU
32 GiB Memory
Spare SCore
5395
(All-cores)
2691
(Single-core)

Specifications

Server Metadata

Vendor ID
alicloud
Name
ecs.r7a.xlarge
Description
ecs.r7a family (4 vCPUs, 32 GiB RAM, 0 GB storage)
Family
ecs.r7a
Hw Virt
Status
active
Observed At
2026-08-12T09:07:37.501812

Availability

REGION / IDSPOTONDEMAND
Ulanqab (CN) / cn-wulanchabu
0.0315 USD/h 0.166 USD/h
Beijing (CN) / cn-beijing
0.037 USD/h 0.185 USD/h
Chengdu (CN) / cn-chengdu
0.037 USD/h 0.185 USD/h
Guangzhou (CN) / cn-guangzhou
0.0407 USD/h 0.185 USD/h
Shenzhen (CN) / cn-shenzhen
0.0407 USD/h 0.185 USD/h
Hangzhou (CN) / cn-hangzhou
- 0.185 USD/h
Shanghai (CN) / cn-shanghai
- 0.185 USD/h
Virginia (US) / us-east-1
0.04885 USD/h 0.2036 USD/h
Frankfurt (DE) / eu-central-1
0.0446 USD/h 0.2346 USD/h
Jakarta (ID) / ap-southeast-5
0.0579 USD/h 0.248 USD/h
Singapore (SG) / ap-southeast-1
0.062 USD/h 0.2584 USD/h
Tokyo (JP) / ap-northeast-1
0.0672 USD/h 0.2584 USD/h
Hong Kong (HK) / cn-hongkong
- 0.2584 USD/h

Processor

vCPUs
4
Hypervisor
KVM
CPU Allocation
Dedicated
CPU Cores
4
CPU Speed
2.55 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
CPU Model
7T83
CPU L1D Cache
32 KiB
CPU L1D Cache Total
64 KiB
CPU L1I Cache
32 KiB
CPU L1I Cache Total
64 KiB
CPU L2 Cache
512 KiB
CPU L2 Cache Total
1 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, nonstop_tsc, cpuid, extd_apicid, aperfmperf, 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, cmp_legacy, cr8_legacy, abm, sse4a, misalignsse, 3dnowprefetch, osvw, topoext, ssbd, ibrs, ibpb, stibp, vmmcall, tsc_adjust, bmi1, avx2, smep, bmi2, erms, invpcid, rdseed, adx, smap, clflushopt, clwb, sha_ni, xsaveopt, xsavec, xgetbv1, xsaves, clzero, xsaveerptr, wbnoinvd, arat, vaes, vpclmulqdq, rdpid, fsrm
Ecpus
2
Scalability
50

System Resources and Accelerators

MEMORY
Memory Amount
32 GiB
Memory Amount Actual
32 GiB
GPU
GPU Count
0
GPU Memory Min
0 MiB
GPU Memory Total
0 MiB
GPUs
    STORAGE
    Storage Size
    0 GB
    Storages
      NETWORK
      Network Speed Baseline
      1.5 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      CPU and System Topology

      Server Description

      A memory-optimized instance featuring dedicated AMD EPYC processors and a high memory-to-vCPU ratio for memory-bound workloads.

      Memory OptimizedGeneral Purpose

      Alibaba Cloud ecs.r7a.xlarge is a memory-optimized instance featuring 4 dedicated x86_64 vCPUs powered by an AMD EPYC 7T83 processor at 2.55 GHz. Equipped with 32.0 GB of RAM, it offers a high 8.0 GB per-core memory allocation, though it lacks local storage and GPU accelerators. Benchmark data indicates strong single-core CPU performance, ranking in the top 25%, while multi-core CPU performance and memory bandwidth for large blocks fall into lower percentiles. Single-threaded compression tasks perform at average levels, but multi-threaded operations and database benchmarks show weaker results. This hardware profile is best suited for memory-intensive, single-threaded applications, caching layers, or lightweight database workloads that benefit from a high memory-to-vCPU ratio without demanding intensive parallel processing.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      0.258Score
      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) 301,818 ops/sec 1,910,660 ops/sec 0.158 50.00% 50.00% -60.30%
      Redis RPS (pipeline=16, SET) 2,362,799 ops/sec 11,608,287 ops/sec 0.204 20.00% 20.00% -27.20%
      PassMark Memory Mark (composite) 2,465 2,416 1.02 10.00% 10.00% +0.20%
      Memory bandwidth (read, 16 MB ~ L3) 33,083 MB/sec 107,896 MB/sec 0.307 10.00% 10.00% -11.10%
      PassMark single-thread CPU 2,388 Mops/s 2,364 Mops/s 1.01 10.00% 10.00% +0.10%

      Memory Bandwidth

      Compression

      OpenSSL

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 6183
      Compression
      		 64580
      Encryption
      		 4315
      Extended Instructions
      		 3597
      Floating Point Maths
      		 9154
      Integer Maths
      		 16602
      Physics
      		 770
      Prime Numbers
      		 38
      Single Threaded
      		 2388
      String Sorting
      		 9328

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 2465
      Database Operations
      		 1845
      Memory Latency
      		 57
      Memory Read Cached
      		 23548
      Memory Read Uncached
      		 17570
      Memory Write
      		 15750

      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
      ecs.r7a.large 216 GiB0
      ecs.r7a.2xlarge 864 GiB0
      ecs.r7a.4xlarge 16128 GiB0
      ecs.r7a-nps1.8xlarge 32256 GiB0
      ecs.r7a.8xlarge 32256 GiB0
      ecs.r7a-nps1.16xlarge 64512 GiB0
      ecs.r7a.16xlarge 64512 GiB0

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      ecs.r7a.xlarge FAQs