c6a.xlarge by Amazon Web Services

c6a.xlarge is a Compute optimized [AMD processors] Gen6 xlarge server offered by Amazon Web Services with 4 vCPUs, 8 GiB of memory and 0 GB of storage. The pricing starts at 0.0365 USD per hour.
4 vCPU
8 GiB Memory
Spare SCore
5,978
(All-cores)
2,990
(Single-core)

Specifications

Server Metadata

Vendor ID
aws
Name
c6a.xlarge
Description
Compute optimized [AMD processors] Gen6 xlarge
Family
c6a
Hw Virt
Status
active
Observed At
2026-09-20T19:32:05.185711

Availability

REGION / IDSPOTONDEMAND
Hyderabad (IN) / ap-south-2
0.0381 USD/h 0.0935 USD/h
Mumbai (IN) / ap-south-1
0.0453 USD/h 0.0935 USD/h
Ohio (US) / us-east-2
0.049567 USD/h 0.153 USD/h
Oregon (US) / us-west-2
0.06915 USD/h 0.153 USD/h
Northern Virgina (US) / us-east-1
0.07464 USD/h 0.153 USD/h
Dublin (IE) / eu-west-1
0.095233 USD/h 0.1642 USD/h
Quebec (CA) / ca-central-1
0.084167 USD/h 0.1674 USD/h
Frankfurt (DE) / eu-central-1
0.090767 USD/h 0.1746 USD/h
Singapore (SG) / ap-southeast-1
0.0934 USD/h 0.1764 USD/h
London (GB) / eu-west-2
0.0814 USD/h 0.1818 USD/h
California (US) / us-west-1
0.09005 USD/h 0.1908 USD/h
Tokyo (JP) / ap-northeast-1
0.100467 USD/h 0.1926 USD/h
Hong Kong (HK) / ap-east-1
0.0627 USD/h 0.1944 USD/h
Sydney (AU) / ap-southeast-2
0.100167 USD/h 0.1998 USD/h
Sao Paulo (BR) / sa-east-1
0.065567 USD/h 0.2358 USD/h

Processor

vCPUs
4
Hypervisor
nitro
CPU Allocation
Dedicated
CPU Cores
2
CPU Speed
3.6 GHz
CPU Architecture
x86_64
CPU Manufacturer
AMD
CPU Family
EPYC
CPU Model
7R13
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, pcid, sse4_1, sse4_2, x2apic, 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, invpcid, rdseed, adx, smap, clflushopt, clwb, sha_ni, xsaveopt, xsavec, xgetbv1, clzero, xsaveerptr, rdpru, wbnoinvd, arat, npt, nrip_save, vaes, vpclmulqdq, rdpid
Ecpus
2
Scalability
100

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
      1.562 Gbps
      Network Speed Max
      12.5 Gbps
      Network Storage Speed Baseline
      1.25 Gbps
      Network Storage Speed Max
      10 Gbps
      Inbound Traffic
      0 GB/month
      Outbound Traffic
      0 GB/month
      IPv4
      0

      Server Description

      A compute-optimized x86_64 instance featuring strong single-core performance and dedicated AMD EPYC processing for lightweight, CPU-bound workloads.

      Compute OptimizedGeneral Purpose

      Amazon Web Services c6a.xlarge is a compute-optimized instance featuring an AMD EPYC 7R13 processor with 4 vCPUs, 2 physical cores, and 8.0 GB of DDR4 memory. Operating on the Nitro hypervisor, it provides dedicated CPU allocation at 3.6 GHz but lacks local storage and GPU accelerators. Benchmark results indicate strong single-core CPU performance, ranking in the top 25% for stress-ng single-core tests. However, multi-core performance and memory bandwidth are weak, with the Passmark memory score falling into the bottom 10%. The instance is qualitatively cost-effective for compute-focused tasks with low memory requirements. It is best suited for single-threaded applications, lightweight text processing, and small-scale language model inference, rather than memory-intensive database operations or highly parallelized workloads.

      Economics

      Average Price per Region

      Prices per Zone

      Lowest Prices

      Performance

      Workload Profiles

      0.281Score
      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) 355,788 ops/sec 1,919,696 ops/sec 0.185 50.00% 50.00% -57.00%
      Redis RPS (pipeline=16, SET) 2,682,081 ops/sec 11,736,081 ops/sec 0.229 20.00% 20.00% -25.50%
      PassMark Memory Mark (composite) 1,155 2,418 0.478 10.00% 10.00% -7.12%
      Memory bandwidth (read, 16 MB ~ L3) 53,887 MB/sec 108,260 MB/sec 0.498 10.00% 10.00% -6.73%
      PassMark single-thread CPU 2,630 Mops/s 2,365 Mops/s 1.11 10.00% 10.00% +1.05%

      Memory Bandwidth

      Compression

      OpenSSL

      Geekbench Single-Core

      Score: 1,617

      Geekbench Multi-Core

      Score: 3,630

      Passmark CPU Scores

      BENCHMARKSCORE
      Mark
      		 6838
      Compression
      		 71075
      Encryption
      		 4771
      Extended Instructions
      		 4008
      Floating Point Maths
      		 10244
      Integer Maths
      		 18356
      Physics
      		 848
      Prime Numbers
      		 43
      Single Threaded
      		 2630
      String Sorting
      		 10056

      Passmark Memory Scores

      BENCHMARKSCORE
      Memory Mark
      		 1155
      Database Operations
      		 1912
      Memory Latency
      		 64
      Memory Read Cached
      		 26547
      Memory Read Uncached
      		 17100
      Memory Write
      		 16697

      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
      c6a.large 24 GiB0
      c6a.2xlarge 816 GiB0
      c6a.4xlarge 1632 GiB0
      c6a.8xlarge 3264 GiB0
      c6a.12xlarge 4896 GiB0
      c6a.16xlarge 64128 GiB0
      c6a.24xlarge 96192 GiB0

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      c6a.xlarge FAQs