Apple releases M5 Ultra and M6 chips, focusing on local AI performance
TechCrunch
11h ago
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Apple launches M5 Ultra and M6 chips to enhance the local AI operation and development capabilities of Mac devices.
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苹果推出 M5 Ultra 和 M6 两款新处理器,并同步更新 Mac mini 与 Mac Studio 产品线。与以往单纯强调性能不同,这次发布更突出设备端 AI 运行能力,显示苹果正继续把更多 AI 任务留在本地完成。

M5 Ultra面向高负载场景

苹果称,M5 Ultra 是目前性能最强的自研芯片。它由两颗双裸片 M5 Max 组合而成,也是苹果首款四裸片设计,主要面向复杂 3D 渲染、视觉特效和前沿 AI 模型等高强度任务。

按公司披露的数据,M5 Ultra 最高支持 36 核 CPU、80 核 GPU,统一内存带宽达到 1.2 TB/s,较约一年半前发布的 M3 Ultra 提高 50%。苹果预计,这一配置也会吸引需要本地算力的 AI 开发者。

M6提升端侧模型处理速度

相比之下,M6 更偏向更广泛的用户。苹果表示,这款芯片采用 2 纳米工艺,配备新的 CPU 结构,新增 CPU 和 GPU 核心,并搭载双 16 核神经网络引擎和更高的统一内存带宽。

苹果高管 Sri Santhanam 在新闻稿中称,M6 采用 12 核 CPU,较 M5 多出两颗核心。公司还表示,M6 在 AI 相关 GPU 峰值算力上较 M5 提升接近 30%,可加快设备端大语言模型的提示词处理。

苹果继续押注本地AI

苹果称,开发者可借助新芯片和配套框架,直接在 Mac 本地运行并微调大型 AI 模型。其开发工具会在 CPU、GPU 和神经网络引擎之间自动优化性能,并支持调用 Apple Foundation Models、App Intents 以及开发者自有模型。

在自研 AI 模型方面,苹果此前进展慢于部分竞争对手。报道提到,备受关注的 Siri 升级由谷歌 Gemini 提供支持。相比云端路线,苹果仍把设备端处理视为重点,希望以更高隐私性和更强控制力形成差异化。

新款Mac mini已开放预订

苹果表示,新款 Mac mini 已开启预订,起售价为 899 美元,预计将在 9 月 22 日后发货。

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