<b>在您最需要的时候，为您提供更高的性能</b> 当低于规格限制操作时，Intel® Turbo Boost Technology 2.0 可以通过提高操作频率加速处理器和图形性能。最大频率取决于工作负荷、硬件、软件和整体系统配置。 2.0 Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y 4th Generation Intel® Core™ processors are based on Intel® microarchitecture formerly known as Haswell, manufactured on 22 nm process technology with 3D tri-gate transistors. This platform provides excellent CPU, graphics, media performance, flexibility, and enhanced security over the 3rd generation Intel® Core™ processors, making it ideal for a broad range of intelligent systems. Intel Core i5-4xxx DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y 联想 Essential B50-70, 英特尔®酷睿™ i5, 1.7 GHz, 39.6 cm (15.6"), 1366 x 768 像素, 8 GB, 1 TB 联想 Essential B50-70. 产品类型: 笔记本, 外型: 翻盖式. 处理器系列: 英特尔®酷睿™ i5, 处理器: i5-4210U, 处理器频率: 1.7 GHz. 显示器尺寸（对角长）: 39.6 cm (15.6"), HD 类型: HD, 显示器分辨率: 1366 x 768 像素. 内置存储器: 8 GB, 内存类型: DDR3L-SDRAM. 总存储容量: 1 TB, 儲存裝置: HDD 硬盘. 板载图形适配器型号: 英特尔® HD 显卡 4400. 已预装操作系统: Windows 7 Home Premium. 产品色彩: 黑色