Is "old wine in new bottles" still fragrant? Analysis of Qualcomm Snapdragon 870
On January 19, 2021, Qualcomm announced the launch of a new flagship processor: Qualcomm Snapdragon 870 5G mobile platform. Although this processor has a brand new name, it is actually an upgraded version of Qualcomm Snapdragon 865 Plus, so it can also be regarded as the official "ash" overclocked version of Qualcomm Snapdragon 865.
Qualcomm Snapdragon 870 5G mobile platform
As Qualcomm's flagship mobile processor platform in 2020, Qualcomm Snapdragon 865 will be the Android flagship throughout 2020Cell phoneThe processor of choice for its excellent performance and energy consumption performance has also been recognized by the market. Qualcomm Snapdragon 870, as an upgraded version of Qualcomm Snapdragon 865, naturally inherits these advantages and brings a more extreme performance release. Here is a detailed analysis of the new Qualcomm Snapdragon 870 processor.
3.2GHz high frequency large core ash-level overclocking
First, let’s analyze the performance of Qualcomm Snapdragon 888. Compared with Qualcomm Snapdragon 865, the upgrade of Qualcomm Snapdragon 870 is mainly due to the increase in frequency. Previously, Qualcomm Snapdragon 865 Plus was an overclocked upgrade version of Qualcomm Snapdragon 865. The default frequencies of the CPU and GPU of the Snapdragon 870 are higher than those of the Qualcomm Snapdragon 865 Plus. In other words, Qualcomm Snapdragon 870 can be regarded as the official "Ember-level overclocking" version of Qualcomm Snapdragon 865.
Since increasing the main frequency is the simplest and most direct way to improve the processing performance of the chip, overclocking has become a common phenomenon. On the basis of the previous successful chip products, the practice of selecting "good" chips to launch new models of high-frequency versions can be said to be very common in the field of processors on the PC platform, and the Qualcomm Snapdragon 870 is far higher. The frequency setting in the first release version is actually what players often say "the factory is ashes."
Previously, because Qualcomm Snapdragon 865 was a very good mobile chip, and now Android flagship phones are generally equipped with a luxurious cooling system, many mobile phone manufacturers have optimized Qualcomm Snapdragon 865 for overclocking to achieve far beyond its first launch. The performance of the version is played. By viewingAntutuAccording to the ranking of Android mobile phone running scores, the running score of the flagship Snapdragon 865 model launched in the second half of 2020 is about 100,000 points higher than that of the flagship model of the same brand Snapdragon 865 launched in the first half of 2020.
The emergence of overclocking can bring about the huge performance improvement that Qualcomm Snapdragon 865 can bring, creating conditions for the birth of the official super version of Qualcomm Snapdragon 865. Compared with the manufacturer's overclocked version, the official super version generally has a more stable performance. It is preset with a higher main frequency when it leaves the factory, and the selected chip body can also support the processor under high frequency conditions. Run continuously.
According to the Qualcomm Snapdragon 870 Geekbench5 running score data shared by netizens, it can be found that the CPU single-core and multi-core scores of the Qualcomm Snapdragon 870 are higher than those of the Qualcomm Snapdragon 865 series including the overclocked version on the Geekbench list. That is to say, the performance improvement of Qualcomm Snapdragon 870 is very obvious, and the specific performance will not be further analyzed until the real machine is released.
In terms of memory, Qualcomm Snapdragon 870 supports LPDDR5 memory with a maximum frequency of 2750MHz, which is consistent with Qualcomm Snapdragon 865, which means that Qualcomm Snapdragon 870 does not support Qualcomm Snapdragon 888. The frequency supported by Qualcomm Snapdragon 888 is 3200MHz full blood version of LPDDR5. Memory, this also reflects the difference between Qualcomm Snapdragon 870 and Qualcomm Snapdragon 888.
In addition to the name, where has it been upgraded? Snapdragon 870 detailed parameters
As an upgraded version of Qualcomm Snapdragon 865 Plus, the CPU part of Qualcomm Snapdragon 870 continues to use the Qualcomm Kryo 585 CPU design architecture, which is the Qualcomm Magic revision of the ARM public version architecture. It is built by TSMC’s 7nm process technology. Its CPU core architecture uses The three-cluster type of 1+3+4 is specifically 1 large A77 core + 3 middle A77 cores + 4 small A55 cores. The main frequency of the A77 large core is as high as 3.2GHz, which is much higher than the 2.84GHz of Qualcomm Snapdragon 865.Qualcomm Snapdragon 870 5G mobile platform
The GPU part also uses Adreno650, and the main frequency is also improved accordingly. And at the same time, with the support of Qualcomm Snapdragon Elite Gaming technology, Qualcomm Snapdragon 870 can achieve real HDR game rendering, and then provide users with game screen effects comparable to the console platform. In addition, with GPUdriveThe online update of the program allows users to get the latest graphic effects and performance upgrades without updating the system.
In terms of AI performance, Qualcomm Snapdragon 870 uses Qualcomm Hexagon 698 AI processor, and Hexagon tensoracceleratorTogether they form the fifth-generation artificial intelligence engine, which can achieve 15 trillion operations per second (15 TOPS), twice that of the previous generation.
In terms of images, thanks to the powerful performance of the Adreno650 GPU, Qualcomm Snapdragon 870 can support QHD+144Hz screen or UHD+60Hz screen display specifications, and support 10-bit color depth and Rec 2020 color gamut display. This feature allows mobile phone manufacturers to build flagship mobile phones with high-quality screens based on the Qualcomm Snapdragon 870 to meet the current consumers' pursuit of high-quality mobile phone screen display effects.
Qualcomm Snapdragon 870 is also equipped with Spectra 480 ISP, which is widely acclaimed on Qualcomm Snapdragon 865. This ISP supports single-camera shooting with up to 200 million pixels and slow-motion video shooting at up to 720P 960 FPS, which can meet the current needs of hundreds of millions of pixels. To capture the performance requirements of mobile phone ISP. It is worth mentioning that Qualcomm Snapdragon 870 supports shooting and decoding of HDR high-definition video in Dolby Vision format. I believe that with this feature, some Android manufacturers will provide support for Dolby on future flagship models. Horizon video support.Dolby Vision
Qualcomm Snapdragon 870 and Qualcomm Snapdragon 865 use the design of the external Qualcomm Snapdragon X55 baseband, supporting 5G Sub-6GHz and millimeter wave frequency bands for the global market.downloadThe rate is 7.5Gbps, and the maximum upload rate is 3Gbps. The network part uses Qualcomm FastConnect 6800, which supports advanced technologies such as Wi-Fi 6, Bluetooth 5.2.
The upgrade of the supported Bluetooth technology standards is a highlight of Qualcomm Snapdragon 870. The domestic common Qualcomm Snapdragon 865 supports Bluetooth 5.1 technology, while the latest Qualcomm Snapdragon 870 supports the latest Bluetooth 5.2 technology. Bluetooth 5.2 technology brings LE Audio (Low Energy Audio Bluetooth) function, based on this function, mobile phones equipped with Qualcomm Snapdragon 870 can realize new features such as private audio sharing, simultaneous connection of multiple audio devices, and lower power consumption of TWS Bluetooth headsets. .
Old wine in new bottles to cater to market demand
In recent years, the performance of mobile phone processors has improved rapidly. Many flagship mobile processors now have performance that is not inferior to desktop processors. At the same time, the power consumption of mobile processors of mobile phones has also been rising, battery life and heat dissipation. Both have become unavoidable problems in the design of flagship mobile phones.
Many of the current mobile phone application scenarios do not require such powerful mobile computing power, especially when the price of new flagship chips continues to rise, how to make sub-flagship models have flagship-level performance while keeping low The price has become a common consideration for terminal and chip manufacturers.
In this context, it has become very natural for the Qualcomm Snapdragon 865, which has excellent performance in the past and rich manufacturer training experience, to launch the Snapdragon 870. Because of this, after the release of the Snapdragon 870, Motorola, Xiaomi, OPPO, OnePlus,iQOOAnd other terminal manufacturers have expressed that they will launch flagship models equipped with Qualcomm Snapdragon 870. Kedar Kondap, vice president of product management at Qualcomm Technologies, also said: The new Snapdragon 870 is built on the basis of the success of Snapdragon 865 and Snapdragon 865 Plus, and will further meet the needs of OEMs and the mobile industry.
It needs to be pointed out that although the Snapdragon 870 can meet the performance requirements of most of the current mobile phone applications, the many advanced features of the Snapdragon 888 are not available. Therefore, the Snapdragon 870 should be regarded as a sub-flagship chip, not the flagship chip of 2021. The Snapdragon 888 is still the first choice for high-end flagship phones in 2021.Qualcomm Snapdragon 888
to sum up
For mobile phone manufacturers, the mature technology of Qualcomm Snapdragon 870 can help them provide a wider range of flagship mobile phone performance in mid-range mobile phone products, and use this to improve user experience; for consumers, long-term purchase Electronic products that are tested by the market and adapted to new technologies can be said to be a good choice. Therefore, with excellent performance and precise positioning, Qualcomm Snapdragon 870 is bound to appear frequently in the mobile phone market in 2021.