At the Qualcomm 4G/5G summit last week, the new Snapdragon 653/626/427 three high-end chips unveiled together, I believe it has attracted the attention of many mobile phone enthusiasts. Just as Xiaolong 821 is a small upgraded version of Xiaolong 820, Xiaolong 653, Xiaolong 626 and Xiaolong 427 are small upgraded versions of Xiaolong 652, Xiaolong 625 and Xiaolong 425 respectively.
So, what improvements and changes have these three new chips brought?
As we all know, Qualcomm mobile chip Snapdragon product portfolio is divided into four levels, namely the Snapdragon 800 series for the top market, the Snapdragon 600 series for the high-end market, the Snapdragon 400 series for the mass market and the entry-level Snapdragon 200 series. .
Qualcomm has been continuously introducing leading technologies from the flagship level to lower level processors. This time, all three chips support dual cameras, support QC3.0 fast charge, and support X9 LTE ​​modulation regulator. The support for the dual camera is inherited from the Xiaolong 652/650, this time to the Xiaolong 400 series (427); support X9 LTE ​​baseband is inherited from the Xiaolong 625 / Xiaolong 435, before the Xiaolong 652/650 only Supporting X8 LTE, the Snapdragon 425 only supports X6 LTE.
In terms of baseband, all three processors have the following commonalities.
1. Support X9 LTE ​​(downlink 300Mbps, support Cat 7; uplink 150Mbps, support Cat 13), with a 50% improvement in the highest uplink speed compared to the X8 LTE baseband;
2. Support LTE Advanced carrier aggregation, both downlink and uplink are up to 2x20 MHz;
3. Supports uplink 64-QAM; 4. Supports enhanced voice service (EVS) codec in VoLTE calls for superior call clarity and higher call reliability. These advanced baseband features increase network capacity and throughput for all users in the network.
All three chips support QC3.0 fast charging, which means charging speed up to 4 times that of traditional charging. Compared with QC 2.0, its charging speed can be increased by 27%, the efficiency can be increased by 45%, and charging for 30 minutes can basically guarantee a full day of use.
However, the three chips support QC 3.0 is also expected, Qualcomm launched this technology last September, the previous Snapdragon 430 and Snapdragon 617 have supported QC3.0.
With the increase in the number of sensors on mobile phones and the increasing demand for audio and camera processing, more and more vendors are paying more attention to low power consumption and battery life than focusing on CPU performance.
Therefore, in addition to Qualcomm's advanced GPUs, the Opteron 653/626/427 introduces Qualcomm's low-power Hexagon DSP digital signal processor, which supports sensor processing and audio processing for "always-on" sensors. To ensure better battery life; at the same time, many photography-related optimizations, such as low-light processing and noise reduction, can be done by DSP, which will bring excellent low-light photo effects and improve the terminal. Endurance performance.
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Compared to the Snapdragon 652, it not only has higher CPU and GPU performance, but also doubles the addressable memory (RAM) from 4GB to 8GB, which significantly enhances the user experience. The official website information shows that the Snapdragon 653 GPU is still Adreno 510, supports upload fast upload, still follows the 28-nanometer (4xA72 4xA53) eight-core architecture, but the main frequency is increased from 1.8GHz to 1.95GHz. The Snapdragon 653 is compatible with the Snapdragon 650/652 pin and software.
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