Qualcomm Snapdragon 855 Vs Huawei Kirin 980

Описание: Three major smartphone SoC designers have now detailed their next-generation designs, which will power smartphones throughout 2019. Huawei was first with its Kirin 980, already powering the Huawei Mate 20 series. Samsung followed, announcing its Exynos 9820. Now Qualcomm’s just announced the Snapdragon 855.

As usual, a selection of performance improvements are on offer in both the CPU and GPU department. There’s also a continued focus on “AI” processing capabilities and faster 4G LTE connectivity, but no out-of-the-box 5G chip on the market just yet. If you’re thinking about an expensive smartphone purchase next year, here’s everything you need to know about the chipsets that will power them.
These high-performance chips are all moving on to newer technologies across the board. There are the latest Arm and custom CPU designs, newer GPU components, beefed up machine learning silicon, and faster LTE modems. Samsung and Qualcomm are leading the industry here with 2Gbps LTE chips sporting mass carrier aggregation technologies, which should offer connectivity improvements at the cell edge and in dense areas over the Kirin 980. Multimedia support continues to push ahead too, with HDR and even 8K content support appearing in both the Exynos and Snapdragon chips, and hardware support for H.265 and VP9 codecs for better efficiency.

Notably, 5G modems are absent from all three of these next-gen chips, which might seem odd given the push some carriers and manufacturers are making for 5G in 2019. However, all three of the chips support 5G via external modems, making it an optional extra for those devices introducing support early.
Much more fuss has been made about the race to 7nm. Huawei made this a key part of its Kirin 980 announcement, which prompted Qualcomm to state it would build its next-gen chip on TSMC’s 7nm process too. The mobile industry is already quickly moving on from 10nm in its pursuit of power efficiency and smaller silicon footprints. For us consumers, 7nm chips should mean longer battery life and higher performing devices.

Samsung’s use of its in-house 8nm node suggests its own 7nm technology isn’t quite ready for mass production. Samsung expects a modest 10 percent power consumption improvement between its 10nm and 8nm processes. Meanwhile, TSMC boasts a 30 to 40 percent improvement with its own move from 10 to 7nm — clearly much better if accurate. Of course, other factors will determine final power consumption, but Samsung’s chip could well be slightly disadvantaged here.
Smartphone SoC CPU designs are currently more interesting and diverse than they’ve been in a long time. Today’s octa-core are striving for innovative, more efficient cluster designs consisting of more diverse and heavily customized CPU cores than ever before. big.LITTLE has given way to big, middle, little, with Cortex-A76, A75, A55, and Samsung continues to throw a heavily custom design into the mix.

2+2+4 CPU clusters with a shared L3 cache are the staples of Huawei and Samsung’s design. This transition away from a 4+4 design is to a tri-cluster is more optimal for sustained peak performance in a smartphone form factor and should also improve energy efficiency. The Snapdragon 855 takes this philosophy one step further, with a 1+3+4 CPU design. The “prime” core in the Snapdragon 855 boasts double the L2 cache and a higher clock speed than the three other big cores, making it the heavy lifter when peak single thread performance is required.


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