c5a.xlarge by Amazon Web Services

c5a.xlarge is a Compute optimized [AMD processors] Gen5 xlarge server offered by Amazon Web Services with 4 vCPUs, 8 GiB of memory and 0 GB of storage. The pricing starts at 0.0375 USD per hour.
4 vCPU
8 GiB Memory
Spare SCore
1,535
(All-cores)
768
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
c5a.xlarge
Description
Compute optimized [AMD processors] Gen5 xlarge
Family
c5a
Hw Virt
Status
active
Observed At
2026-10-06T14:38:19.262133

Availability

REGION / IDSPOTONDEMAND
Mumbai (IN) / ap-south-1
0.0557 USD/h 0.094 USD/h
Ohio (US) / us-east-2
0.050267 USD/h 0.154 USD/h
Oregon (US) / us-west-2
0.0669 USD/h 0.154 USD/h
Northern Virgina (US) / us-east-1
0.07108 USD/h 0.154 USD/h
Stockholm (SE) / eu-north-1
0.040533 USD/h 0.164 USD/h
Quebec (CA) / ca-central-1
0.0857 USD/h 0.168 USD/h
Seoul (KR) / ap-northeast-2
0.047967 USD/h 0.172 USD/h
Dublin (IE) / eu-west-1
0.0915 USD/h 0.172 USD/h
Frankfurt (DE) / eu-central-1
0.098667 USD/h 0.174 USD/h
Singapore (SG) / ap-southeast-1
0.089167 USD/h 0.176 USD/h
Milan (IT) / eu-south-1
0.061067 USD/h 0.182 USD/h
London (GB) / eu-west-2
0.088333 USD/h 0.182 USD/h
Paris (FR) / eu-west-3
0.0891 USD/h 0.182 USD/h
California (US) / us-west-1
0.08325 USD/h 0.19 USD/h
Tokyo (JP) / ap-northeast-1
0.09425 USD/h 0.192 USD/h
Hong Kong (HK) / ap-east-1
0.1655 USD/h 0.194 USD/h
Sydney (AU) / ap-southeast-2
0.099433 USD/h 0.2 USD/h
Cape Town (ZA) / af-south-1
0.0867 USD/h 0.206 USD/h
Sao Paulo (BR) / sa-east-1
0.071467 USD/h 0.236 USD/h

Processor

vCPUs
4
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
2
CPU Speed
3.3 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
CPU Model
7R32
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
8 MiB
CPU L3 Cache Total
8 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, 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, topoext, ssbd, ibrs, ibpb, stibp, vmmcall, fsgsbase, bmi1, avx2, smep, bmi2, rdseed, adx, smap, clflushopt, clwb, sha_ni, xsaveopt, xsavec, xgetbv1, clzero, xsaveerptr, rdpru, wbnoinvd, arat, npt, nrip_save, rdpid
Ecpus
2
Scalability
50

System Resources and Accelerators

MEMORY
Memory Amount
8 GiB
Memory Amount Actual
8 GiB
Memory Generation
DDR4
Memory Speed
2933 Mhz
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
      1.25 Gbps
      Network Speed Max
      10 Gbps
      Network Storage Speed Baseline
      0.4 Gbps
      Network Storage Speed Max
      3.17 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Server Description

      A budget-friendly, compute-optimized virtual machine featuring dedicated AMD EPYC processors and DDR4 memory for lightweight, single-threaded workloads.

      Compute OptimizedGeneral Purpose

      Amazon Web Services c5a.xlarge is a compute-optimized instance featuring an AMD EPYC 7R32 processor running at 3.3 GHz on the x86_64 architecture. Managed by the AWS Nitro hypervisor, it delivers 4 dedicated vCPUs (2 physical cores) and 8.0 GB of DDR4 RAM, with no local storage or GPU accelerators. Benchmark data shows average performance in single-threaded compression and encryption tasks, though overall multi-core compute and memory bandwidth fall into lower percentiles. With a baseline network speed of 1 Gbps, this instance represents a cost-effective option for dedicated compute resources where high memory capacity is not required. It is best suited for lightweight batch processing, basic web serving, and development workloads.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      0.24Score
      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) 331,297 ops/sec 1,916,704 ops/sec 0.17 50.00% 50.00% -59.00%
      Redis RPS (pipeline=16, SET) 2,224,049 ops/sec 11,642,227 ops/sec 0.18 20.00% 20.00% -29.00%
      PassMark Memory Mark (composite) 1,137 2,417 0.46 10.00% 10.00% -7.50%
      Memory bandwidth (read, 16 MB ~ L3) 36,091 MB/sec 108,361 MB/sec 0.33 10.00% 10.00% -10.00%
      PassMark single-thread CPU 2,133 Mops/s 2,365 Mops/s 0.88 10.00% 10.00% -1.30%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 1,327

      Geekbench Multi-Core

      Score: 3,021

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 5637
      Compression
      		 61638
      Encryption
      		 4269
      Extended Instructions
      		 3575
      Floating Point Maths
      		 8038
      Integer Maths
      		 13467
      Physics
      		 603
      Prime Numbers
      		 35
      Single Threaded
      		 2133
      String Sorting
      		 8731

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 1137
      Database Operations
      		 1464
      Memory Latency
      		 51
      Memory Read Cached
      		 24559
      Memory Read Uncached
      		 12308
      Memory Write
      		 12703

      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
      c5a.large 24 GiB0
      c5a.2xlarge 816 GiB0
      c5a.4xlarge 1632 GiB0
      c5a.8xlarge 3264 GiB0
      c5a.12xlarge 4896 GiB0
      c5a.16xlarge 64128 GiB0
      c5a.24xlarge 96192 GiB0

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      c5a.xlarge FAQs