The coprocessor is a chip that is used to ease the specific processing tasks of the system microprocessor.
A coprocessor, a processor that is developed and applied to assist a central processor in performing processing tasks that it cannot perform or perform efficiently and inefficiently. There are many tasks that the central processor cannot perform, such as signal transmission between devices, management of access devices, etc., and graphics processing, audio processing, and the like are the execution efficiency and the effect is low. In order to perform these processes, various auxiliary processors were born. It should be noted that since the integer arithmetic unit and the floating-point arithmetic unit have been integrated together in the current computer, the floating-point processor is no longer an auxiliary processor. The coprocessor built into the CPU is also not a secondary processor unless it is independent.
Qualcomm's processors currently do not have a coprocessor. However, the Hexagon 682 DSP built into Opteron's chip is equivalent to a coprocessor.
The Hexagon 682 DSP enables increased processing power and performance, and makes the mobile platform even more intelligent by supporting machine-oriented GoogleTensorFlow and image-oriented Halide. The key to the Snapdragon 835 platform is the Hexagon 682 DSP, a powerful second core designed to bring powerful performance to the device without sacrificing battery life.
The entire mobile platform can share the workload, and thus can use a variety of device features such as integrated voice recognition and reliable personal assistants that are always online, without having to worry about running out of power.
The Qualcomm Snapdragon 835 chip is based on the Samsung 10nm manufacturing process. The 10nm process compared to 14nm will make the chip speed 27% faster, the efficiency increased by 40%, Qualcomm Snapdragon 835 chip area will become smaller.
In October 2016, Samsung announced the first mass production of the 10-nanometer FinFET process in the industry. Compared to its previous 14nm FinFET process, the Samsung 10nm process can achieve a 27% increase in performance or a 40% reduction in power consumption while reducing chip size by up to 30%. By using a 10nm FinFET process, the Snapdragon 835 processor will have a smaller die size, allowing OEMs to get more free space in the upcoming product to support larger batteries or thinner designs. Improvements in process technology combined with more advanced chip designs are expected to increase battery life.
core:The Snapdragon 835 is clocked at 1.9GHz+2.45GHz and uses an eight-core design. Snapdragon 835 will use 10nm eight-core design, size kernels are Kryo280 architecture, large core frequency 2.45GHz, large core cluster with 2MB L2 cache, small core frequency 1.9GHz, small core cluster with 1MB of L2 cache, GPU For Adreno 540@670MHz, compared to the previous generation performance increase of 25%, support 4K screen, UFS 2.1, dual camera and LPDDR4x four-channel memory, integrated Cat.16 baseband.
fast charging:The new Snapdragon 835 processor supports Quick Charge 4 quick charging, which is 20% faster and 30% more efficient than Quick Charge 3.0. In addition, it has a smaller chip size and can provide handset manufacturers with more flexible internal space designs.
Quick Charge 4.0 Fast Charge Technology 5 minutes to extend the use of mobile phones can be used for 5 hours, in addition QC 4.0 also integrates support for USB-C and USB-PD (Power Delivery), a wider range of adaptation.
Increased efficiency:Qualcomm did not release more information on the Snapdragon 835, but said that the 10nm process will bring better performance and improve power efficiency, as compared to the Qualcomm Snapdragon 820 based on the 14nm manufacturing process. Samsung said that the 10nm process compared to 14nm will enable the chip speed of 27% faster, 40% increase in efficiency.
Memory bandwidth:Snapdragon 835 will be the first to support LPDDR4x, which has a faster transfer rate than LPDDR4.
Xiaolong 835 Performance Parameter List
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