Qualcomm launches the Snapdragon Wear 4100 platform, complete with a series-first Plus variant
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Qualcomm asserts that its new architecture and design improves practically any aspect of their function compared to that of its predecessor (the 3100), including their haptics, power management, user activity-tracking, connectivity and speed. Furthermore, it has a Plus variant in 2020, which comes with an always-on display-specific co-processor.
The Snapdragon Wear 4100 platform's main SoC (the SDM429w or SDA429w) is made up of 4 ARM Cortex-A53 cores with a max clock of up to 1.7GHz that are "optimized for wearables". It is also based on a 12 nanometer (nm) architecture, whereas the 3100 is 28nm. It is paired with the Adreno 504 GPU and the (also 12nm) ultra-low-power QCC1110 co-processor, which manages dual Qualcomm Hexagon digital signal processors (DSPs) for smart workload-shifting.
Furthermore, the 4100+'s AON co-processor can result in always-on displays with up to 64K colors (as opposed to 16K from the 3100), as well as the support for sleep-tracking, heart-rate and general time-keeping visualizations in this mode of which the previous generation was incapable.
Otherwise, the two 4100 variants have new chips for PMIC, RFFE, GPS, Wi-Fi/Bluetooth, on-device security and optional 4G/LTE connectivity in common. All in all, they may make for some appreciably powerful watches. We may be able to confirm this soon: Qualcomm has also let slip that the next-gen Mobvoi TicWatch Pro will be based on this platform.
This upcoming smartwatch will probably run Wear OS, which may gain a new lease of life which these new processors. On that note, the Snapdragon Wear 4100 supports this system as well as open-source software, whereas the 4100+ is only rated to support the former.
Qualcomm Press Release