{
  "id": "m2-ultra",
  "name": "M2 Ultra",
  "url": "https://2benches.lost.plus/chips/m2-ultra",
  "architecture": {
    "id": "g2",
    "name": "A15 · M2",
    "cores": "Avalanche / Blizzard"
  },
  "tier": "ultra",
  "status": "released",
  "release": "2023-06-13",
  "processNm": 5,
  "dataCheckedAt": "2026-09-21",
  "notes": [
    "Scores are medians of sourced results; low/high is the observed source range.",
    "Configuration scores use only results attributed to that configuration.",
    "similar lists the nearest measured configurations of other chips by Geekbench 7 CPU and Metal; ratio > 1 means faster.",
    "estimate values are forecasts, never measurements."
  ],
  "benchmarks": {
    "gb7-cpu": {
      "label": "Geekbench 7 · Multi-core",
      "unit": "score",
      "measured": {
        "median": 28385.5,
        "low": 27948,
        "high": 28823,
        "count": 4
      },
      "estimate": null
    },
    "gb7-metal": {
      "label": "Geekbench 7 · Metal GPU",
      "unit": "score",
      "measured": {
        "median": 222482,
        "low": 222482,
        "high": 222482,
        "count": 1
      },
      "estimate": null
    },
    "ai-gpu-single": {
      "label": "Geekbench AI · GPU · Single",
      "unit": "score",
      "measured": null,
      "estimate": null
    },
    "ai-gpu-half": {
      "label": "Geekbench AI · GPU · Half",
      "unit": "score",
      "measured": null,
      "estimate": null
    },
    "ai-gpu-quantized": {
      "label": "Geekbench AI · GPU · Quantized",
      "unit": "score",
      "measured": null,
      "estimate": null
    },
    "ai-neural-engine-single": {
      "label": "Geekbench AI · Neural Engine · Single",
      "unit": "score",
      "measured": null,
      "estimate": null
    },
    "ai-neural-engine-half": {
      "label": "Geekbench AI · Neural Engine · Half",
      "unit": "score",
      "measured": null,
      "estimate": null
    },
    "ai-neural-engine-quantized": {
      "label": "Geekbench AI · Neural Engine · Quantized",
      "unit": "score",
      "measured": null,
      "estimate": null
    },
    "llama-F16-pp": {
      "label": "Prefill 512 · F16",
      "unit": "tok/s",
      "measured": {
        "median": 1265.22,
        "low": 1128.59,
        "high": 1401.85,
        "count": 2
      },
      "estimate": null
    },
    "llama-F16-tg": {
      "label": "Decode 128 · F16",
      "unit": "tok/s",
      "measured": {
        "median": 40.44,
        "low": 39.86,
        "high": 41.02,
        "count": 2
      },
      "estimate": null
    },
    "llama-Q8_0-pp": {
      "label": "Prefill 512 · Q8_0",
      "unit": "tok/s",
      "measured": {
        "median": 1125.88,
        "low": 1003.16,
        "high": 1248.59,
        "count": 2
      },
      "estimate": null
    },
    "llama-Q8_0-tg": {
      "label": "Decode 128 · Q8_0",
      "unit": "tok/s",
      "measured": {
        "median": 64.39,
        "low": 62.14,
        "high": 66.64,
        "count": 2
      },
      "estimate": null
    },
    "llama-Q4_0-pp": {
      "label": "Prefill 512 · Q4_0",
      "unit": "tok/s",
      "measured": {
        "median": 1126.15,
        "low": 1013.81,
        "high": 1238.48,
        "count": 2
      },
      "estimate": null
    },
    "llama-Q4_0-tg": {
      "label": "Decode 128 · Q4_0",
      "unit": "tok/s",
      "measured": {
        "median": 91.46,
        "low": 88.64,
        "high": 94.27,
        "count": 2
      },
      "estimate": null
    }
  },
  "variants": [
    {
      "id": "m2-ultra-24c-60g",
      "cpu": 24,
      "cores": {
        "super": 0,
        "performance": 16,
        "efficiency": 8
      },
      "gpu": 60,
      "bandwidthGBs": 800,
      "bin": "binned",
      "scores": {
        "gb7-cpu": {
          "median": 28385.5,
          "low": 27948,
          "high": 28823,
          "count": 2
        },
        "llama-F16-pp": {
          "median": 1128.59,
          "low": 1128.59,
          "high": 1128.59,
          "count": 1
        },
        "llama-F16-tg": {
          "median": 39.86,
          "low": 39.86,
          "high": 39.86,
          "count": 1
        },
        "llama-Q8_0-pp": {
          "median": 1003.16,
          "low": 1003.16,
          "high": 1003.16,
          "count": 1
        },
        "llama-Q8_0-tg": {
          "median": 62.14,
          "low": 62.14,
          "high": 62.14,
          "count": 1
        },
        "llama-Q4_0-pp": {
          "median": 1013.81,
          "low": 1013.81,
          "high": 1013.81,
          "count": 1
        },
        "llama-Q4_0-tg": {
          "median": 88.64,
          "low": 88.64,
          "high": 88.64,
          "count": 1
        }
      },
      "estimates": {},
      "similar": []
    },
    {
      "id": "m2-ultra-24c-76g",
      "cpu": 24,
      "cores": {
        "super": 0,
        "performance": 16,
        "efficiency": 8
      },
      "gpu": 76,
      "bandwidthGBs": 800,
      "bin": "full",
      "scores": {
        "gb7-cpu": {
          "median": 28385.5,
          "low": 27948,
          "high": 28823,
          "count": 2
        },
        "gb7-metal": {
          "median": 222482,
          "low": 222482,
          "high": 222482,
          "count": 1
        },
        "llama-F16-pp": {
          "median": 1401.85,
          "low": 1401.85,
          "high": 1401.85,
          "count": 1
        },
        "llama-F16-tg": {
          "median": 41.02,
          "low": 41.02,
          "high": 41.02,
          "count": 1
        },
        "llama-Q8_0-pp": {
          "median": 1248.59,
          "low": 1248.59,
          "high": 1248.59,
          "count": 1
        },
        "llama-Q8_0-tg": {
          "median": 66.64,
          "low": 66.64,
          "high": 66.64,
          "count": 1
        },
        "llama-Q4_0-pp": {
          "median": 1238.48,
          "low": 1238.48,
          "high": 1238.48,
          "count": 1
        },
        "llama-Q4_0-tg": {
          "median": 94.27,
          "low": 94.27,
          "high": 94.27,
          "count": 1
        }
      },
      "estimates": {},
      "similar": [
        {
          "chip": "m4-max",
          "name": "M4 Max",
          "release": "2024-11-08",
          "variant": "m4-max-16c-40g",
          "cpu": 16,
          "gpu": 40,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 1.01,
            "gb7-metal": 0.92
          },
          "url": "https://2benches.lost.plus/chips/m4-max.json"
        },
        {
          "chip": "m3-ultra",
          "name": "M3 Ultra",
          "release": "2025-03-12",
          "variant": "m3-ultra-28c-60g",
          "cpu": 28,
          "gpu": 60,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 1.23,
            "gb7-metal": 1.01
          },
          "url": "https://2benches.lost.plus/chips/m3-ultra.json"
        },
        {
          "chip": "m5-max",
          "name": "M5 Max",
          "release": "2026-03-11",
          "variant": "m5-max-18c-40g",
          "cpu": 18,
          "gpu": 40,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 1.23,
            "gb7-metal": 1.07
          },
          "url": "https://2benches.lost.plus/chips/m5-max.json"
        },
        {
          "chip": "m5-max",
          "name": "M5 Max",
          "release": "2026-03-11",
          "variant": "m5-max-18c-32g",
          "cpu": 18,
          "gpu": 32,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 1.23,
            "gb7-metal": 0.87
          },
          "url": "https://2benches.lost.plus/chips/m5-max.json"
        },
        {
          "chip": "m4-max",
          "name": "M4 Max",
          "release": "2024-11-08",
          "variant": "m4-max-14c-32g",
          "cpu": 14,
          "gpu": 32,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 0.9,
            "gb7-metal": 0.76
          },
          "url": "https://2benches.lost.plus/chips/m4-max.json"
        },
        {
          "chip": "m3-ultra",
          "name": "M3 Ultra",
          "release": "2025-03-12",
          "variant": "m3-ultra-32c-80g",
          "cpu": 32,
          "gpu": 80,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 1.38,
            "gb7-metal": 1.12
          },
          "url": "https://2benches.lost.plus/chips/m3-ultra.json"
        }
      ]
    }
  ],
  "devices": [
    {
      "id": "mac-pro-2023-m2-ultra-m2-ultra-24c-60g",
      "name": "Mac Pro (2023)",
      "variant": "m2-ultra-24c-60g",
      "scores": {
        "gb7-cpu": 28823
      }
    },
    {
      "id": "mac-pro-2023-m2-ultra-m2-ultra-24c-76g",
      "name": "Mac Pro (2023)",
      "variant": "m2-ultra-24c-76g",
      "scores": {
        "gb7-cpu": 28823
      }
    },
    {
      "id": "mac-studio-2023-m2-ultra-m2-ultra-24c-60g",
      "name": "Mac Studio (2023)",
      "variant": "m2-ultra-24c-60g",
      "scores": {
        "gb7-cpu": 27948
      }
    },
    {
      "id": "mac-studio-2023-m2-ultra-m2-ultra-24c-76g",
      "name": "Mac Studio (2023)",
      "variant": "m2-ultra-24c-76g",
      "scores": {
        "gb7-cpu": 27948,
        "gb7-metal": 222482
      }
    }
  ]
}