发布需求
广东| 品牌：Intel | 型号：P8400 QARW | 主频：2.28（GHz） |
| 核心数量：双核 | 生产工艺：0.045um | 二级缓存：3072KB |
| 包装：散装 |
| General information | |
| Type | CPU / Microprocessor |
| Family | Intel Core 2 Duo Mobile |
| Model number | P8400 |
| CPU part numbers | AW80577SH0513M (SLB3R) |
| AW80577SH0513MN (SLB3Q) | |
| Box part number | BX80577P8400 (SLB3R) |
| Frequency (MHz) | 2267 |
| Bus speed (MHz) | 1066 |
| Clock multiplier | 8 |
| Package | 478-pin micro-FCPGA |
| Socket | Socket P |
| Architecture / MicrOArchitecture | |
| Processor core | Penryn |
| Core stepping | M0 (SLB3Q, SLB3R) |
| Manufacturing process | 0.045 micron |
| Data width | 64 bit |
| Number of cores | 2 |
| Floating Point Unit | Integrated |
| Level 1 cache size | 2 x 32 KB instruction caches |
| 2 x 32 KB write-back data caches | |
| Level 2 cache size | shared 3 MB |
| Features | MMX instruction set |
| SSE | |
| SSE2 | |
| SSE3 | |
| Supplemental SSE3 | |
| SSE4.1 | |
| EM64T technology | |
| Execute Disable Bit technology | |
| Virtualization Technology | |
| Dynamic Acceleration technology | |
| Intel Trusted Execution technology | |
| Low power features | C1/AutoHALT, C1/MWAIT, C2, C3, C4 (with Enhanced Deep Sleep) and C6 core states |
| Stop Grant mode | |
| Sleep mode | |
| Deep Sleep mode | |
| Deeper Sleep mode | |
| Enhanced Deeper Sleep mode | |
| Deep Power-Down state | |
| Dynamic FSB Frequency switching | |
| Enhanced SpeedStep technology | |
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CPU正式版,测试版ES,正显,不显要怎么分.
1.笔记本CPU一般都用CPU-Z来分辨他是正式版.测试版.正显.
A.正式版图.在规格旁边有显示intel(R)Core(TM)i7CPU Q720@1.60GHz后面没有再显出(ES)就证明一定是正式版.请大家注意.
2.测试版正显图.在规格旁边有显示intel(R)Core(TM)i7CPU Q820@1.73GHz后面有再显出(ES)就是测试版.但这种带显的ES已经非常接近正式版所以不怕会不稳定.还没有锁频有超频能力!会动手的朋友能挖掘其潜能发挥到及至.也叫QS.
3.测试版不显图.在规格旁边有显示intel(R)Core(TM)i7CPU 000@1.73GHz或什么都没写______@1.73GHz但后面还是会显出(ES)这就是intel刚开始让笔记本工厂测试的第一版的测试CPU.功能散热方面都不如正显和正式版.
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