Mobile phone CPU-smartphone CPU

Original: http://blog.csdn.net/sanglipeng/category/246316.aspx

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Among all smartphones, whether it's Windows Mobile, Symbian or Linux, or 64 mb ram or 128 mb ram, most of them use CPUs produced by Texas Instruments (TI), Intel (Intel), or Samsung, most of the chips are Ti omap850 195 MHz, Intel pxa272 416mhz, or Samsung SC3 2442 400 MHz. As a result, the smartphone market has gradually formed the trend of three major processors, among them, Ti omap850 MHz is the most widely used, and the representative product is the mobile phone of da. It is quite interesting that SC3 2442 and pxa272 of single-chip processors should have a higher frequency and higher performance, but in the test of SPB benchmark and CPU speed calculation, the test data of SC3 2442 and pxa272 conflict with each other. In the CPU test of SPB benchmark software, pxa272 prevails, while in the CPU speed test, sc32442 prevails, this makes it impossible for us to identify based on the test data, but it verifies the viewpoint that the frequency is high but the performance is not necessarily strong from another aspect. In addition, according to the industry situation, DA has always been fond of Ti omap850, and occasionally uses Samsung SC3 2442 processors, while more PDAs (handheld computers) or PDA mobile phones, intel PXA27X or Samsung SC3 2442 processors are used. Then, different application fields gradually derive different user groups, and these users have their own opinions on these three processors. From the information we obtain, consumers complain that Ti omap850 is too frequent, while Intel PXA27X is more appreciated. However, unfortunately, Intel suddenly sold the XScale division to Marvell when it was well received by the XScale PXA27X series Processors, which seems to consumers to be "Pouring cold water ". However, both Marvell and Intel said the deal would not affect customers, and Intel will continue to produce this series of processors until Marvell finds a proper factory, what Will Marvell do after the acquisition of XScale. For Ti omap850 processors, they may continue to be used by some mobile phone manufacturers in the future, but it may soon be replaced by more advanced OMAP series Processors (such as the omap2420 processor), but when will it be replaced? What processor is replaced? We don't know what kind of processor we use. After all, we only know what kind of processor is used by the mobile phone manufacturer, and most of the decisions made by the manufacturer need to consider the production cost. Therefore, what about omap850, we can only view it while walking. Samsung SC3 2442, which has rarely appeared earlier, has recently become more active. In particular, Apple iPhone, which is the most popular mobile phone this year, uses Samsung's 620 MHz processor (at a frequency of MHz ), this really makes Samsung CPU busy. Although Apple's iPhone is not selling at Samsung's processor, it reflects the potential advantages of Samsung's processor. However, so far, there is no clear indication that Samsung will make great strides in research and development and promotion of mobile phone processors, therefore, it is unknown whether Samsung will take advantage of the mobile phone processor market after intel sells the XScale department. Everything has to be verified by time. Omap1710: Low-Voltage Technology (dynamic adjustment between 1.05-1.3v) 0.09 micron 289 contacts 12x12 mm² M-BGA encapsulation program processor arm926 220 MHz 32kb level-1 cache Java hardware acceleration communication chip GSM (2g), GPRS (2.5g) edge (2.75g) and UMTS (3G) IEEE 802.11a/B/g Nokia 6630, 6681, E61, N70, N72, n73, N80, N90, n91 omap2420: low-Voltage Technology 0.09 micron 325 contacts 12x12 mm² program processor arm1136 330 MHz it is able to manage 240-320 pixels camera and qvga (x) resolution screen, bluetooth, infrared and high-speed USB transmission, compatible with A-GPS positioning, WLAN features wireless Internet access, support SD, MMC memory card extensions, use sd I/O devices, can handle 4 million or higher pixels Static Images: allows you to record 30 fps vga (640x480) pixel dynamic audio video files and provide 3D surround sound effects similar to hi-fi, support for TV-OUT output features Nokia n93 omap2420 contains the program Processor Model arm1136, which can work at up to 330 MHz. The main reason Nokia chose such a high-frequency processor is that their n93 is equipped with a 3.2 million-pixel "Karl Zeiss" autofocus lens and supports 3X optical zoom. At the same time, it can also play full-screen qvga resolution MP4 files, support Wi-Fi wireless Internet access (only for non-Mainland licensed), can record close to the quality of the DVD video, the power is very powerful. PXA27X: PXA270 @ 312mhz represents the mobile phone: Lenovo et960, et980, and Xia Xin e850. PXA270 @ 520mhz represents the mobile phone number: up to 900, and Yutong Mio A700. Pxa272 @ 416mhz represents mobile phones: 818, 828 +, and p50. PXA27X series processor is currently Intel's latest and most powerful CPU. This family has three members, PXA270, pxa271, and pxa272, which are Intel's first processor to embed Wireless MMX technology. Similar to PXA26x, PXA27X does not simply differentiate models based on the frequency. They can reach up to 624 MHz, with a minimum of 312 MHz.