For current smartphones, the importance of SoC is self-evident. As the most advanced platform in the current Android camp, the Snapdragon 835 has a fast and not hot experience on the flagship machine that has already been launched. Judging from the evaluation of many media, the Xiaolong 835 platform can be regarded as the most outstanding processor in recent years. Therefore, let's take a look at the level of depth performance of the Snapdragon 835.
The Snapdragon 835 is equivalent to the Intel Core M3 processor.
The Snapdragon 835 is an ARM-based processor, while the desktop processor is based on x86. The architecture is different and there are big differences. The comparison value is not great. If you really want to compare, you can be sure that, in general, the x86 architecture of the processor is stronger than the arm architecture, if you have to compare, the Xiaolong 835 even the Celeron can not match.
First of all, the performance of the CPU of the mobile phone and the CPU of the computer is incomparable. Many people look at the mobile phone CPU what 8 core, 2.4GHZ frequency and the like, they feel stronger than the i3 dual-core, in fact, the performance is much worse than the computer CPU.
Two things that are not one level are not suitable for direct comparison. Although the names on the mobile phone and on the computer are both CPUs, even if the cores and frequencies of the two CPUs are the same, the kernel and the construction frame are completely different. The instruction set used by the CPU on the computer is the x86 complex instruction set, and the CPU on the mobile phone mostly adopts the reduced instruction set, so the performance of the two is basically incomparable. If it is to be compared, it can only be said that under the same conditions, the instruction is From a point of view, the CPU performance of a mobile phone is only about one-eighth of the performance of a computer CPU.
Aside from how efficient the current use of the simulator is, the direct comparison is the lowest level of ATOM Z3XXX. Although you can say how powerful the process, how many transistors, but the absolute performance, the fight is the architectural design. The core concept of the X86 is optimal performance, which is fundamentally different from the ARM that pursues the best performance-to-power ratio.
In the lower performance area, ARM has a power advantage over the X86, resulting in the X86 not entering the mobile market. This ending not only scammed a lot of users, even ARM itself believed that it was better than X86. But the final conclusion is that in the high-performance field, ARM's power consumption is greater under the same performance of X86. This led to a fiasco in the X86-based data center and server market. The Calxeda operation of the project was declared bankrupt one year later, and ARM had no similar plans in the future.
The integration of the Snapdragon 835 is now only a level that maintains the scalability of a portable device. The same SoC solution, even a few years ago Intel ATOM C2000 did not know where to go. The single chip integrates four PCIE controllers and 16 PCIE channels, 2 SATA 2.0 and 2 SATA 3.0 interfaces, 4 Gigabit NIC interfaces, 4 USB 2.0 interfaces, and a memory controller to support ECC verification. In other words, a single ATOM C2000 can support a PC without any external chip. The Snapdragon 835 requires a large number of expansion chips for the PC interface, and there is no such thing as a SoC.
When it comes to integration, there is an example of Baidu's Nanjing data center. They have tried to replace X86 with ARM. In fact, the function and architecture of the device is extremely simple, similar to NAS, and far from the true meaning of PC. But even this ARM architecture uses three chips - ARM + SATA + GbLAN - to support, and the performance is only enough to cope with cold data that is not often retrieved. There are cases in this, using ARM as a PC is destined to have low cost and high performance.
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