{
  "id": "m4-max",
  "name": "M4 Max",
  "url": "https://2benches.lost.plus/chips/m4-max",
  "architecture": {
    "id": "g4",
    "name": "A18 · M4",
    "cores": "2024 CPU family"
  },
  "tier": "max",
  "status": "released",
  "release": "2024-11-08",
  "processNm": 3,
  "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": 26978.5,
        "low": 25290,
        "high": 29076,
        "count": 6
      },
      "estimate": null
    },
    "gb7-metal": {
      "label": "Geekbench 7 · Metal GPU",
      "unit": "score",
      "measured": {
        "median": 186399,
        "low": 168265,
        "high": 207414,
        "count": 6
      },
      "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": 829.54,
        "low": 736.25,
        "high": 922.83,
        "count": 2
      },
      "estimate": null
    },
    "llama-F16-tg": {
      "label": "Decode 128 · F16",
      "unit": "tok/s",
      "measured": {
        "median": 27.97,
        "low": 24.29,
        "high": 31.64,
        "count": 2
      },
      "estimate": null
    },
    "llama-Q8_0-pp": {
      "label": "Prefill 512 · Q8_0",
      "unit": "tok/s",
      "measured": {
        "median": 805.25,
        "low": 718.56,
        "high": 891.94,
        "count": 2
      },
      "estimate": null
    },
    "llama-Q8_0-tg": {
      "label": "Decode 128 · Q8_0",
      "unit": "tok/s",
      "measured": {
        "median": 48.96,
        "low": 43.87,
        "high": 54.05,
        "count": 2
      },
      "estimate": null
    },
    "llama-Q4_0-pp": {
      "label": "Prefill 512 · Q4_0",
      "unit": "tok/s",
      "measured": {
        "median": 799.81,
        "low": 713.93,
        "high": 885.68,
        "count": 2
      },
      "estimate": null
    },
    "llama-Q4_0-tg": {
      "label": "Decode 128 · Q4_0",
      "unit": "tok/s",
      "measured": {
        "median": 76.51,
        "low": 69.95,
        "high": 83.06,
        "count": 2
      },
      "estimate": null
    }
  },
  "variants": [
    {
      "id": "m4-max-14c-32g",
      "cpu": 14,
      "cores": {
        "super": 0,
        "performance": 10,
        "efficiency": 4
      },
      "gpu": 32,
      "bandwidthGBs": 410,
      "bin": "binned",
      "scores": {
        "gb7-cpu": {
          "median": 25450,
          "low": 25290,
          "high": 25828,
          "count": 3
        },
        "gb7-metal": {
          "median": 168673,
          "low": 168265,
          "high": 169739,
          "count": 3
        },
        "llama-F16-pp": {
          "median": 736.25,
          "low": 736.25,
          "high": 736.25,
          "count": 1
        },
        "llama-F16-tg": {
          "median": 24.29,
          "low": 24.29,
          "high": 24.29,
          "count": 1
        },
        "llama-Q8_0-pp": {
          "median": 718.56,
          "low": 718.56,
          "high": 718.56,
          "count": 1
        },
        "llama-Q8_0-tg": {
          "median": 43.87,
          "low": 43.87,
          "high": 43.87,
          "count": 1
        },
        "llama-Q4_0-pp": {
          "median": 713.93,
          "low": 713.93,
          "high": 713.93,
          "count": 1
        },
        "llama-Q4_0-tg": {
          "median": 69.95,
          "low": 69.95,
          "high": 69.95,
          "count": 1
        }
      },
      "estimates": {},
      "similar": [
        {
          "chip": "m3-max",
          "name": "M3 Max",
          "release": "2023-11-07",
          "variant": "m3-max-16c-40g",
          "cpu": 16,
          "gpu": 40,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 0.96,
            "gb7-metal": 0.97
          },
          "url": "https://2benches.lost.plus/chips/m3-max.json"
        },
        {
          "chip": "m3-max",
          "name": "M3 Max",
          "release": "2023-11-07",
          "variant": "m3-max-14c-30g",
          "cpu": 14,
          "gpu": 30,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 0.87,
            "gb7-metal": 0.78
          },
          "url": "https://2benches.lost.plus/chips/m3-max.json"
        },
        {
          "chip": "m2-ultra",
          "name": "M2 Ultra",
          "release": "2023-06-13",
          "variant": "m2-ultra-24c-76g",
          "cpu": 24,
          "gpu": 76,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 1.12,
            "gb7-metal": 1.32
          },
          "url": "https://2benches.lost.plus/chips/m2-ultra.json"
        },
        {
          "chip": "m5-pro",
          "name": "M5 Pro",
          "release": "2026-03-11",
          "variant": "m5-pro-15c-16g",
          "cpu": 15,
          "gpu": 16,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 1.16,
            "gb7-metal": 0.74
          },
          "url": "https://2benches.lost.plus/chips/m5-pro.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": 1.37,
            "gb7-metal": 1.15
          },
          "url": "https://2benches.lost.plus/chips/m5-max.json"
        },
        {
          "chip": "m5-pro",
          "name": "M5 Pro",
          "release": "2026-03-11",
          "variant": "m5-pro-18c-20g",
          "cpu": 18,
          "gpu": 20,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 1.32,
            "gb7-metal": 0.8
          },
          "url": "https://2benches.lost.plus/chips/m5-pro.json"
        }
      ]
    },
    {
      "id": "m4-max-16c-40g",
      "cpu": 16,
      "cores": {
        "super": 0,
        "performance": 12,
        "efficiency": 4
      },
      "gpu": 40,
      "bandwidthGBs": 546,
      "bin": "full",
      "scores": {
        "gb7-cpu": {
          "median": 28755,
          "low": 28129,
          "high": 29076,
          "count": 3
        },
        "gb7-metal": {
          "median": 203884,
          "low": 203059,
          "high": 207414,
          "count": 3
        },
        "llama-F16-pp": {
          "median": 922.83,
          "low": 922.83,
          "high": 922.83,
          "count": 1
        },
        "llama-F16-tg": {
          "median": 31.64,
          "low": 31.64,
          "high": 31.64,
          "count": 1
        },
        "llama-Q8_0-pp": {
          "median": 891.94,
          "low": 891.94,
          "high": 891.94,
          "count": 1
        },
        "llama-Q8_0-tg": {
          "median": 54.05,
          "low": 54.05,
          "high": 54.05,
          "count": 1
        },
        "llama-Q4_0-pp": {
          "median": 885.68,
          "low": 885.68,
          "high": 885.68,
          "count": 1
        },
        "llama-Q4_0-tg": {
          "median": 83.06,
          "low": 83.06,
          "high": 83.06,
          "count": 1
        }
      },
      "estimates": {},
      "similar": [
        {
          "chip": "m2-ultra",
          "name": "M2 Ultra",
          "release": "2023-06-13",
          "variant": "m2-ultra-24c-76g",
          "cpu": 24,
          "gpu": 76,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 0.99,
            "gb7-metal": 1.09
          },
          "url": "https://2benches.lost.plus/chips/m2-ultra.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": 1.21,
            "gb7-metal": 0.95
          },
          "url": "https://2benches.lost.plus/chips/m5-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": 1.22,
            "gb7-metal": 1.11
          },
          "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": 1.21,
            "gb7-metal": 1.17
          },
          "url": "https://2benches.lost.plus/chips/m5-max.json"
        },
        {
          "chip": "m3-max",
          "name": "M3 Max",
          "release": "2023-11-07",
          "variant": "m3-max-16c-40g",
          "cpu": 16,
          "gpu": 40,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 0.85,
            "gb7-metal": 0.8
          },
          "url": "https://2benches.lost.plus/chips/m3-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": 1.36,
            "gb7-metal": 1.22
          },
          "url": "https://2benches.lost.plus/chips/m3-ultra.json"
        }
      ]
    }
  ],
  "devices": [
    {
      "id": "mac-studio-2025-m4-max-m4-max-16c-40g",
      "name": "Mac Studio (2025)",
      "variant": "m4-max-16c-40g",
      "scores": {
        "gb7-cpu": 29076,
        "gb7-metal": 203884
      }
    },
    {
      "id": "macbook-pro-14-inch-2024-m4-max-m4-max-16c-40g",
      "name": "MacBook Pro (14-inch, 2024)",
      "variant": "m4-max-16c-40g",
      "scores": {
        "gb7-cpu": 28755,
        "gb7-metal": 207414
      }
    },
    {
      "id": "macbook-pro-16-inch-2024-m4-max-m4-max-16c-40g",
      "name": "MacBook Pro (16-inch, 2024)",
      "variant": "m4-max-16c-40g",
      "scores": {
        "gb7-cpu": 28129,
        "gb7-metal": 203059
      }
    },
    {
      "id": "mac-studio-2025-m4-max-m4-max-14c-32g",
      "name": "Mac Studio (2025)",
      "variant": "m4-max-14c-32g",
      "scores": {
        "gb7-cpu": 25828,
        "gb7-metal": 168673
      }
    },
    {
      "id": "macbook-pro-16-inch-2024-m4-max-m4-max-14c-32g",
      "name": "MacBook Pro (16-inch, 2024)",
      "variant": "m4-max-14c-32g",
      "scores": {
        "gb7-cpu": 25450,
        "gb7-metal": 168265
      }
    },
    {
      "id": "macbook-pro-14-inch-2024-m4-max-m4-max-14c-32g",
      "name": "MacBook Pro (14-inch, 2024)",
      "variant": "m4-max-14c-32g",
      "scores": {
        "gb7-cpu": 25290,
        "gb7-metal": 169739
      }
    }
  ]
}