{
  "id": "m4",
  "name": "M4",
  "url": "https://2benches.lost.plus/chips/m4",
  "architecture": {
    "id": "g4",
    "name": "A18 · M4",
    "cores": "2024 CPU family"
  },
  "tier": "base",
  "status": "released",
  "release": "2024-05-15",
  "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": 15044,
        "low": 13419,
        "high": 15497,
        "count": 9
      },
      "estimate": null
    },
    "gb7-metal": {
      "label": "Geekbench 7 · Metal GPU",
      "unit": "score",
      "measured": {
        "median": 52783,
        "low": 47224,
        "high": 54095,
        "count": 7
      },
      "estimate": null
    },
    "ai-gpu-single": {
      "label": "Geekbench AI · GPU · Single",
      "unit": "score",
      "measured": {
        "median": 9184,
        "low": 9182.5,
        "high": 9185.5,
        "count": 2
      },
      "estimate": null
    },
    "ai-gpu-half": {
      "label": "Geekbench AI · GPU · Half",
      "unit": "score",
      "measured": {
        "median": 10846.5,
        "low": 10846,
        "high": 10847,
        "count": 2
      },
      "estimate": null
    },
    "ai-gpu-quantized": {
      "label": "Geekbench AI · GPU · Quantized",
      "unit": "score",
      "measured": {
        "median": 9502.5,
        "low": 9479,
        "high": 9526,
        "count": 2
      },
      "estimate": null
    },
    "ai-neural-engine-single": {
      "label": "Geekbench AI · Neural Engine · Single",
      "unit": "score",
      "measured": {
        "median": 4580.25,
        "low": 4555.5,
        "high": 4605,
        "count": 2
      },
      "estimate": null
    },
    "ai-neural-engine-half": {
      "label": "Geekbench AI · Neural Engine · Half",
      "unit": "score",
      "measured": {
        "median": 33425.5,
        "low": 33137.5,
        "high": 33713.5,
        "count": 2
      },
      "estimate": null
    },
    "ai-neural-engine-quantized": {
      "label": "Geekbench AI · Neural Engine · Quantized",
      "unit": "score",
      "measured": {
        "median": 46321.25,
        "low": 45882,
        "high": 46760.5,
        "count": 2
      },
      "estimate": null
    },
    "llama-F16-pp": {
      "label": "Prefill 512 · F16",
      "unit": "tok/s",
      "measured": {
        "median": 230.18,
        "low": 230.18,
        "high": 230.18,
        "count": 1
      },
      "estimate": null
    },
    "llama-F16-tg": {
      "label": "Decode 128 · F16",
      "unit": "tok/s",
      "measured": {
        "median": 7.43,
        "low": 7.43,
        "high": 7.43,
        "count": 1
      },
      "estimate": null
    },
    "llama-Q8_0-pp": {
      "label": "Prefill 512 · Q8_0",
      "unit": "tok/s",
      "measured": {
        "median": 223.64,
        "low": 223.64,
        "high": 223.64,
        "count": 1
      },
      "estimate": null
    },
    "llama-Q8_0-tg": {
      "label": "Decode 128 · Q8_0",
      "unit": "tok/s",
      "measured": {
        "median": 13.54,
        "low": 13.54,
        "high": 13.54,
        "count": 1
      },
      "estimate": null
    },
    "llama-Q4_0-pp": {
      "label": "Prefill 512 · Q4_0",
      "unit": "tok/s",
      "measured": {
        "median": 221.29,
        "low": 221.29,
        "high": 221.29,
        "count": 1
      },
      "estimate": null
    },
    "llama-Q4_0-tg": {
      "label": "Decode 128 · Q4_0",
      "unit": "tok/s",
      "measured": {
        "median": 24.11,
        "low": 24.11,
        "high": 24.11,
        "count": 1
      },
      "estimate": null
    }
  },
  "variants": [
    {
      "id": "m4-8c-8g",
      "cpu": 8,
      "cores": {
        "super": 0,
        "performance": 4,
        "efficiency": 4
      },
      "gpu": 8,
      "bandwidthGBs": 120,
      "bin": "binned",
      "scores": {
        "gb7-cpu": {
          "median": 13419,
          "low": 13419,
          "high": 13419,
          "count": 1
        },
        "gb7-metal": {
          "median": 47224,
          "low": 47224,
          "high": 47224,
          "count": 1
        }
      },
      "estimates": {},
      "similar": [
        {
          "chip": "m3",
          "name": "M3",
          "release": "2023-11-07",
          "variant": "m3-8c-10g",
          "cpu": 8,
          "gpu": 10,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 0.87,
            "gb7-metal": 1.01
          },
          "url": "https://2benches.lost.plus/chips/m3.json"
        },
        {
          "chip": "m3",
          "name": "M3",
          "release": "2023-11-07",
          "variant": "m3-8c-8g",
          "cpu": 8,
          "gpu": 8,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 0.87,
            "gb7-metal": 0.91
          },
          "url": "https://2benches.lost.plus/chips/m3.json"
        },
        {
          "chip": "m2",
          "name": "M2",
          "release": "2022-06-24",
          "variant": "m2-8c-10g",
          "cpu": 8,
          "gpu": 10,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 0.72,
            "gb7-metal": 0.91
          },
          "url": "https://2benches.lost.plus/chips/m2.json"
        },
        {
          "chip": "m5",
          "name": "M5",
          "release": "2025-10-22",
          "variant": "m5-10c-8g",
          "cpu": 10,
          "gpu": 8,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 1.27,
            "gb7-metal": 1.39
          },
          "url": "https://2benches.lost.plus/chips/m5.json"
        },
        {
          "chip": "m3-pro",
          "name": "M3 Pro",
          "release": "2023-11-07",
          "variant": "m3-pro-11c-14g",
          "cpu": 11,
          "gpu": 14,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 1.14,
            "gb7-metal": 1.49
          },
          "url": "https://2benches.lost.plus/chips/m3-pro.json"
        },
        {
          "chip": "m2-pro",
          "name": "M2 Pro",
          "release": "2023-01-24",
          "variant": "m2-pro-10c-16g",
          "cpu": 10,
          "gpu": 16,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 1.02,
            "gb7-metal": 1.57
          },
          "url": "https://2benches.lost.plus/chips/m2-pro.json"
        }
      ]
    },
    {
      "id": "m4-10c-8g",
      "cpu": 10,
      "cores": {
        "super": 0,
        "performance": 4,
        "efficiency": 6
      },
      "gpu": 8,
      "bandwidthGBs": 120,
      "bin": "binned",
      "scores": {
        "gb7-cpu": {
          "median": 15044,
          "low": 15044,
          "high": 15044,
          "count": 1
        },
        "gb7-metal": {
          "median": 47547,
          "low": 47547,
          "high": 47547,
          "count": 1
        }
      },
      "estimates": {},
      "similar": [
        {
          "chip": "m3",
          "name": "M3",
          "release": "2023-11-07",
          "variant": "m3-8c-10g",
          "cpu": 8,
          "gpu": 10,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 0.77,
            "gb7-metal": 1.01
          },
          "url": "https://2benches.lost.plus/chips/m3.json"
        },
        {
          "chip": "m3",
          "name": "M3",
          "release": "2023-11-07",
          "variant": "m3-8c-8g",
          "cpu": 8,
          "gpu": 8,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 0.78,
            "gb7-metal": 0.9
          },
          "url": "https://2benches.lost.plus/chips/m3.json"
        },
        {
          "chip": "m5",
          "name": "M5",
          "release": "2025-10-22",
          "variant": "m5-10c-8g",
          "cpu": 10,
          "gpu": 8,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 1.13,
            "gb7-metal": 1.38
          },
          "url": "https://2benches.lost.plus/chips/m5.json"
        },
        {
          "chip": "m3-pro",
          "name": "M3 Pro",
          "release": "2023-11-07",
          "variant": "m3-pro-11c-14g",
          "cpu": 11,
          "gpu": 14,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 1.02,
            "gb7-metal": 1.48
          },
          "url": "https://2benches.lost.plus/chips/m3-pro.json"
        },
        {
          "chip": "m5",
          "name": "M5",
          "release": "2025-10-22",
          "variant": "m5-10c-10g",
          "cpu": 10,
          "gpu": 10,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 1.14,
            "gb7-metal": 1.49
          },
          "url": "https://2benches.lost.plus/chips/m5.json"
        },
        {
          "chip": "m2",
          "name": "M2",
          "release": "2022-06-24",
          "variant": "m2-8c-10g",
          "cpu": 8,
          "gpu": 10,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 0.64,
            "gb7-metal": 0.91
          },
          "url": "https://2benches.lost.plus/chips/m2.json"
        }
      ]
    },
    {
      "id": "m4-9c-10g",
      "cpu": 9,
      "cores": {
        "super": 0,
        "performance": 3,
        "efficiency": 6
      },
      "gpu": 10,
      "bandwidthGBs": 120,
      "bin": "binned",
      "scores": {},
      "estimates": {},
      "similar": []
    },
    {
      "id": "m4-10c-10g",
      "cpu": 10,
      "cores": {
        "super": 0,
        "performance": 4,
        "efficiency": 6
      },
      "gpu": 10,
      "bandwidthGBs": 120,
      "bin": "full",
      "scores": {
        "gb7-cpu": {
          "median": 15184,
          "low": 15044,
          "high": 15497,
          "count": 5
        },
        "gb7-metal": {
          "median": 53143,
          "low": 52683,
          "high": 54095,
          "count": 5
        }
      },
      "estimates": {},
      "similar": [
        {
          "chip": "m5",
          "name": "M5",
          "release": "2025-10-22",
          "variant": "m5-10c-8g",
          "cpu": 10,
          "gpu": 8,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 1.12,
            "gb7-metal": 1.24
          },
          "url": "https://2benches.lost.plus/chips/m5.json"
        },
        {
          "chip": "m3-pro",
          "name": "M3 Pro",
          "release": "2023-11-07",
          "variant": "m3-pro-11c-14g",
          "cpu": 11,
          "gpu": 14,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 1.01,
            "gb7-metal": 1.32
          },
          "url": "https://2benches.lost.plus/chips/m3-pro.json"
        },
        {
          "chip": "m3",
          "name": "M3",
          "release": "2023-11-07",
          "variant": "m3-8c-10g",
          "cpu": 8,
          "gpu": 10,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 0.76,
            "gb7-metal": 0.9
          },
          "url": "https://2benches.lost.plus/chips/m3.json"
        },
        {
          "chip": "m5",
          "name": "M5",
          "release": "2025-10-22",
          "variant": "m5-10c-10g",
          "cpu": 10,
          "gpu": 10,
          "bin": "full",
          "ratio": {
            "gb7-cpu": 1.13,
            "gb7-metal": 1.34
          },
          "url": "https://2benches.lost.plus/chips/m5.json"
        },
        {
          "chip": "m3",
          "name": "M3",
          "release": "2023-11-07",
          "variant": "m3-8c-8g",
          "cpu": 8,
          "gpu": 8,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 0.77,
            "gb7-metal": 0.81
          },
          "url": "https://2benches.lost.plus/chips/m3.json"
        },
        {
          "chip": "m2-pro",
          "name": "M2 Pro",
          "release": "2023-01-24",
          "variant": "m2-pro-10c-16g",
          "cpu": 10,
          "gpu": 16,
          "bin": "binned",
          "ratio": {
            "gb7-cpu": 0.9,
            "gb7-metal": 1.39
          },
          "url": "https://2benches.lost.plus/chips/m2-pro.json"
        }
      ]
    }
  ],
  "devices": [
    {
      "id": "imac-24-inch-2024-m4-m4-10c-10g",
      "name": "iMac (24-inch, 2024)",
      "variant": "m4-10c-10g",
      "scores": {
        "gb7-cpu": 15497,
        "gb7-metal": 53143
      }
    },
    {
      "id": "mac-mini-2024-m4-m4-10c-10g",
      "name": "Mac mini (2024)",
      "variant": "m4-10c-10g",
      "scores": {
        "gb7-cpu": 15345,
        "gb7-metal": 54095
      }
    },
    {
      "id": "macbook-pro-14-inch-2024-m4-m4-10c-10g",
      "name": "MacBook Pro (14-inch, 2024)",
      "variant": "m4-10c-10g",
      "scores": {
        "gb7-cpu": 15184,
        "gb7-metal": 53927
      }
    },
    {
      "id": "macbook-air-15-inch-2025-m4-m4-10c-10g",
      "name": "MacBook Air (15-inch, 2025)",
      "variant": "m4-10c-10g",
      "scores": {
        "gb7-cpu": 15045,
        "gb7-metal": 52683
      }
    },
    {
      "id": "macbook-air-13-inch-2025-m4-m4-10c-8g",
      "name": "MacBook Air (13-inch, 2025)",
      "variant": "m4-10c-8g",
      "scores": {
        "gb7-cpu": 15044,
        "gb7-metal": 47547
      }
    },
    {
      "id": "macbook-air-13-inch-2025-m4-m4-10c-10g",
      "name": "MacBook Air (13-inch, 2025)",
      "variant": "m4-10c-10g",
      "scores": {
        "gb7-cpu": 15044,
        "gb7-metal": 52783
      }
    },
    {
      "id": "imac-24-inch-2024-m4-m4-8c-8g",
      "name": "iMac (24-inch, 2024)",
      "variant": "m4-8c-8g",
      "scores": {
        "gb7-cpu": 13419,
        "gb7-metal": 47224
      }
    },
    {
      "id": "ipad-pro-13-inch-m4-m4",
      "name": "iPad Pro 13-inch (M4)",
      "variant": null,
      "scores": {
        "gb7-cpu": 13621.5,
        "ai-gpu-single": 9182.5,
        "ai-gpu-half": 10846,
        "ai-gpu-quantized": 9479,
        "ai-neural-engine-single": 4605,
        "ai-neural-engine-half": 33713.5,
        "ai-neural-engine-quantized": 46760.5
      }
    },
    {
      "id": "ipad-pro-11-inch-m4-m4",
      "name": "iPad Pro 11-inch (M4)",
      "variant": null,
      "scores": {
        "gb7-cpu": 13466.5,
        "ai-gpu-single": 9185.5,
        "ai-gpu-half": 10847,
        "ai-gpu-quantized": 9526,
        "ai-neural-engine-single": 4555.5,
        "ai-neural-engine-half": 33137.5,
        "ai-neural-engine-quantized": 45882
      }
    }
  ]
}