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Qualcomm Reveals Details About Snapdragon 821, Power Clusters Get Significant Boost

by Joe 3

Qualcomm announced the Snapdragon 821 a couple of months back, however, the company failed to give out specific details of the chip, except that it is 10% faster than existing Snapdragon 820 and is clocked at 2.4GHz. Now, Qualcomm has given out additional details of the Snapdragon 821 chip.


The company has confirmed that the chip comes with 10% faster boot loads and 10% faster app loads. The chip supports Snapdragon VR SDK, which means it supports Google’s Daydream platform. The SoC also supports dual phase detection, which should improve the AF as compared to the regular PDAF. There are improvements in the ISP as well to better work with Laser AF. Finally, the company surprisingly adds that the energy efficiency is improved by 5%.

Snapdragon 821 vs Snapdragon 820

While these are minor updates, what’s really interesting is the bumped up clock speed of Snapdragon 821’s Power Clusters. They are now clocked at 2.19GHz instead of 1.59GHz as seen on the SD820 chip. The performance clusters get a gentle speed up, from 2.15GHz on SD820 to 2.34GHz. The upgrade in GPU speed is also not much, from 624MHz to 653MHz in the new chipset. But then, Adreno 530 is already a great smartphone GPU, so there was hardly any need for significant upgrades in this department.

We can expect SD821 phones in September (although the first SD821 phone was announced a while back by ASUS) from companies like Xiaomi and LeEco. In case you missed, we spotted a new LeEco phone on AnTuTu with Snapdragon 821 which scores an impressive 163K. You can read more about the phone from here.


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  • Tommi

    SD821 will be top SoC of the 2016, but when 2017 comes with SD830 and Helio x30, this is just old memory.

  • Adam Irvine

    Surely the 820 can just be overclocked up to those speeds then?

  • Karly Johnston

    My Z2 Pro already has options to OC to 2.3 so what improvement is it?