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苹果首款基带芯片差远了?研究显示iPhone 16e表现远逊高通芯片加持的安卓机
Hua Er Jie Jian Wen· 2025-05-27 19:10
Core Insights - Apple has launched its first self-developed baseband chip, C1, after seven years and significant investment, but a recent study challenges its performance compared to Qualcomm's chips [1][3] - The study indicates that the iPhone 16e, equipped with the C1 chip, underperforms in urban 5G network environments, particularly in download and upload speeds compared to Qualcomm-powered Android devices [1][2] - Qualcomm's X75 chip shows superior capabilities, supporting higher data speeds and more advanced network features than Apple's C1 [3][4] Performance Evaluation - The iPhone 16e's performance in New York City on T-Mobile's 5G network was disappointing, with download speeds lagging by up to 35% and upload speeds by up to 91% compared to similar-priced Android devices [1][2] - The report highlights that the C1 chip, while performing adequately under ideal conditions, fails to meet expectations in dense urban settings where 5G performance is critical [1][2] Technical Limitations - C1 supports only four-carrier aggregation on low-frequency 6-GHz networks, with a peak speed of approximately 4 Gbps, while Qualcomm's X75 supports five-carrier aggregation and can reach theoretical speeds of 7-10 Gbps [3][4] - The iPhone 16e does not support 5G millimeter-wave technology globally, which may hinder its performance in high-traffic areas in the U.S. market [4] Market Dynamics - Despite performance issues, the C1 chip has made strides in energy efficiency, with the iPhone 16e offering up to 26 hours of video playback, surpassing the iPhone 16 and nearing the iPhone 16 Pro [5] - Apple's hardware technology senior vice president stated that C1 is just the beginning, with plans for the C2 chip to address current limitations and the C3 chip aimed at surpassing Qualcomm's technology [6] Competitive Landscape - Qualcomm's recent study and timing suggest a strategic move to counter Apple's entry into the baseband market, as Apple has historically contributed about 20% of Qualcomm's revenue [3] - The outcome of this technological competition will significantly impact Apple's future competitiveness and profitability as it seeks to reduce costs and improve margins through in-house chip development [6]
深挖苹果首颗自研基带
半导体芯闻· 2025-04-21 10:20
来源:内容 编译自 eetjp。 如今,许多电子设备最关键的部件是无线通信芯片(和芯片组)。如果没有通信芯片,您就无法使 用社交媒体或浏览网页。越来越多的车载设备并不在设备本身上存储数据,而是通过通信来处理地 图和音乐。尤其是智能手机,它由许多无线通信设备组成。 Wi-Fi、蓝牙、NFC(近场通信)早已 成为我们日常生活中必不可少的元素,4G、5G已成为广域数据通信的社会基础设施的一部分。 如果您希望可以时常见面,欢迎标星收藏哦~ "C1"调制解调器的起源 其中一个必需品是用于广域数据通信的终端调制解调器,但为其提供芯片的公司并不多,只有少数 公司将其出售给公众。这三家公司分别是美国高通、台湾联发科和中国的紫光展锐。华为和三星电 子也拥有5G调制解调器,但并不向公众出售,仅用于自己的产品中。就三星电子而言,其还为"谷 歌Pixel"系列提供芯片。苹果通过更换调制解调器芯片组供应商,从英飞凌科技(以下简称"英飞 凌")到英特尔、再到高通,继续为 iPhone 和 iPad 提供内置调制解调器。 iPhone 调制解调器的演变 从 2020 年款"iPhone 12"开始,苹果一直在使用高通芯片组,这是苹果首款配 ...