Durabook S15 强固型笔记本电脑评测:在同类产品中出人意料的轻薄
Intel Core i7-1255U | Intel Iris Xe Graphics G7 96EUs | 15.60" | 2.7 kg
英特尔酷睿i7-1255U是一款用于轻薄型笔记本电脑的高端移动处理器,基于Alder Lake架构。它在2022年初发布,提供2个性能核心(P-cores,Golden Cove架构)和8个效率核心(E-cores,Gracemont架构)。P核支持超线程,当与E核配对时,支持的线程数量达到12个。高性能集群的时钟频率为1.7至4.7GHz,高效集群为1.2至3.5GHz。E-cores的性能应该与较早的Skylake核心类似(与Core i7-6700HQ相比)。所有内核可以使用高达12MB的L3缓存。与i7-1265U(发布时最快的U系列处理器)相比,1255提供的处理器核心时钟频率低100 MHz,而且只有 "基本 "vPro管理功能。与P系列(28W)或H系列(45W)相比,15W TDP可能会限制可持续的性能。
性能方面
有了10个内核,多线程性能应该明显好于旧的15W Tiger Lake四核处理器(如英特尔酷睿i7-1160G7)。持续的性能将受到TDP调整和热能的限制,因此只能是短期负载。由于大型金海湾核心的架构改进,单线程性能应优于类似时钟速度的老虎湖处理器。
架构
集成内存控制器支持各种内存类型,最高可达DDR5-4800、DDR4-3200、LPDDR5-5200和LPDDR4x-4267。线程主管(硬件)可以帮助操作系统决定在高效或高性能内核上使用哪个线程以获得最佳性能。对于人工智能任务,该处理器还具有GNA 3.0和DL Boost(通过AVX2)。Quick Sync第8版与Rocket Lake CPU相同,在硬件上支持MPEG-2、AVC、VC-1、JPEG、VP8、VP9、HEVC和AV1解码。CPU只支持PCIe 4.0(x8用于GPU,两个x4用于SSD)。
集成显卡基于Xe架构,提供96个EU(执行单元),运行速度高达1.25GHz。
电力消耗
这款酷睿i7处理器的保证最低功耗为12W。最后,酷睿i7-1255U采用英特尔第三代10纳米工艺制造,以英特尔7为市场定位,具有良好的电源效率。
Series | Intel Alder Lake-M | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Codename | Alder Lake-U | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Series: Alder Lake-M Alder Lake-U
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Clock Rate | 1200 - 4700 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Level 1 Cache | 928 KB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Level 2 Cache | 9.5 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Level 3 Cache | 12 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Number of Cores / Threads | 10 / 12 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Power Consumption (TDP = Thermal Design Power) | 15 Watt | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Manufacturing Technology | 10 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Max. Temperature | 100 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Socket | BGA1744 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Features | DDR4-3200/LPDDR4x-4266/DDR5-4800/LPDDR5-5200 RAM, PCIe 4, Thr. Dir., DL Boost, GNA, vPro Ess., MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, EIST, TM1, TM2, HT, Turbo, SST, AES-NI, RDRAND, RDSEED, SHA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GPU | Intel Iris Xe Graphics G7 96EUs ( - 1250 MHz) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
64 Bit | 64 Bit support | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Architecture | x86 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Announcement Date | 01/04/2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Product Link (external) | ark.intel.com |
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