Samsung Android

Qualcomm announces Snapdragon 8 Gen 2 with AV1, raytracing, 1+4+3 core config


Qualcomm today announced the Snapdragon 8 Gen 2 as its new flagship Android chip with a big focus on AI performance.

This chip is built on a 4nm process with a different core configuration than last year. There’s the “Prime†Arm Cortex X3 clocked at 3.2GHz with four “Performance†(2.8GHz) and three “Efficiency†cores (2GHz). It was previously three and four, respectively, with Qualcomm finding a boost for multi-thread executions with this approach. Another optimization sees two of the Performance cores support both 64- and 32-bits operations so that older apps can run efficiently.

There’s support for up to 16GB of LP-DDR5x 4200 MHz RAM. Overall, Qualcomm says this Kryo CPU is up to 35% faster as new microarchitecture results in 40% more power efficiency (compared to 8 Gen 1). 

The Adreno GPU touts up to 25% faster performance and 45% better power efficiency with Vulkan 1.3 support, while the “Adreno Display†features “OLED Aging Compensation†to combat burn-in. The other highlight is hardware-accelerated ray tracing when gaming that better simulates how light physically behaves in the real world from accurate reflections to better shadows. 

The Snapdragon X70 5G model supports 5G+5G/4GDual-SIM Dual-Active, while the FastConnect 7800 powers low-latency Wi-Fi 7 and dual-Bluetooth connectivity. Other features include 4x carrier aggregation downlink and Snapdragon Satellite two-way messaging support. There’s also support for audio with dynamic head tracking.

The Qualcomm AI Engine is the other big focus with up to 4.35X increased AI performance thanks to a 2x bigger tensor accelerator. It features a dedicated power delivery system that doubles the connection between the Hexagon Processor and the Adreno GPU, as well as Spectra ISP, for higher bandwidth and lower latency. For AI tasks, the faster connection reduces the dependency on the system DDR memory. There’s also INT4 AI format support for 60% performance/watt improvement during sustained AI inferencing. 

Meanwhile, the Sensing Hub features dual AI processors for audio and other sensors with a 2x performance increase and 50% more memory. Last year’s always-on camera has been rebranded to the Always-Sensing camera, with one possible use case being a phone reading a QR code in the background. 

The Snapdragon 8 Gen 2 features what Qualcomm calls a “Cognitive ISP†that can run real-time semantic segmentation to identify and then optimize for faces, hair, clothes, sky, and other common layers in a scene. This is made possible by the new power delivery system. There’s support for Samsung’s ISOCELL HP3 image sensor (200MP) and AV1 codec for up to 8K HDR at 60FPS video playback.

The Snapdragon 8 Gen 2 will appear in commercial devices by the end of 2022 with adoption from Asus ROG, Honor, iQOO, Motorola, Nubia, OnePlus, Oppo, Redmagic, Redmi, Sharp, Sony Corporation, Vivo, Xiaomi, Xingi/Meizu, and ZTE.

Note: Qualcomm paid for travel and accommodations for this launch event, but had no input on editorial content.

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