{
  "guide": "arm-against-x86",
  "title": "ARM against x86: what Graviton, Ampere and Axion save",
  "url": "https://optimtoken.optimnow.io/guides/arm-against-x86",
  "page": "https://optimtoken.optimnow.io/guides/arm-against-x86",
  "dataSource": "compute",
  "snapshotDate": "2026-10-25",
  "dateModified": "2026-10-25",
  "note": "Figures recomputed from the OptimToken catalogue at each build, the same ones the page prints. A figure quoted elsewhere is as of the day it was read; this file carries the current one.",
  "figures": {
    "unit": "ARM discount as a fraction of the same-size x86 on-demand rate; Linux, US East",
    "pairs": 77,
    "armSizes": 33,
    "providers": [
      "AWS",
      "Azure",
      "GCP",
      "Alibaba"
    ],
    "againstIntel": {
      "pairs": 53,
      "median": 0.1923
    },
    "againstAmd": {
      "pairs": 24,
      "median": 0.1047
    },
    "amdShareOfIntel": 0.5442,
    "byProvider": [
      {
        "provider": "AWS",
        "intel": {
          "pairs": 33,
          "median": 0.1923
        },
        "amd": {
          "pairs": 17,
          "median": 0.1064
        }
      },
      {
        "provider": "Azure",
        "intel": {
          "pairs": 5,
          "median": 0.1979
        },
        "amd": {
          "pairs": 3,
          "median": 0.1047
        }
      },
      {
        "provider": "GCP",
        "intel": {
          "pairs": 10,
          "median": 0.1734
        },
        "amd": {
          "pairs": 4,
          "median": 0.013
        }
      },
      {
        "provider": "Alibaba",
        "intel": {
          "pairs": 5,
          "median": 0.1584
        },
        "amd": null
      }
    ],
    "generations": [
      {
        "label": "Graviton2 (AWS)",
        "pairs": 19,
        "median": 0.2,
        "min": 0.1923,
        "max": 0.2361
      },
      {
        "label": "Graviton3 (AWS)",
        "pairs": 14,
        "median": 0.15,
        "min": 0.1471,
        "max": 0.1905
      },
      {
        "label": "Ampere Altra (Azure)",
        "pairs": 5,
        "median": 0.1979,
        "min": 0.1979,
        "max": 0.1984
      },
      {
        "label": "Ampere Altra (GCP)",
        "pairs": 5,
        "median": 0.207,
        "min": 0.207,
        "max": 0.2625
      },
      {
        "label": "Axion (GCP)",
        "pairs": 5,
        "median": 0.0752,
        "min": 0.0752,
        "max": 0.1398
      },
      {
        "label": "Yitian 710 (Alibaba)",
        "pairs": 5,
        "median": 0.1584,
        "min": 0.1529,
        "max": 0.2
      }
    ],
    "generationSteps": [
      {
        "from": "Graviton2 (AWS)",
        "to": "Graviton3 (AWS)",
        "fromMedian": 0.2,
        "toMedian": 0.15
      },
      {
        "from": "Ampere Altra (GCP)",
        "to": "Axion (GCP)",
        "fromMedian": 0.207,
        "toMedian": 0.0752
      }
    ],
    "inversions": [
      {
        "provider": "GCP",
        "arm": "c4a-standard-2",
        "x86": "n2d-standard-2",
        "against": "AMD",
        "armRate": 0.0898,
        "x86Rate": 0.0845,
        "gap": -0.0627
      },
      {
        "provider": "GCP",
        "arm": "c4a-standard-4",
        "x86": "n2d-standard-4",
        "against": "AMD",
        "armRate": 0.1796,
        "x86Rate": 0.169,
        "gap": -0.0627
      }
    ]
  }
}