Qualcomm offered up a quick look at the Snapdragon 835 back in November, announcing that it would be the company's first SoC to be built on a 10nm node. At CES, we're getting a detailed look at what's on offer with this year's high-end SoC. The 835 is slated to be the first ARM processor to run Windows 10, and as such it merits a detailed look.
The shift to 10nm means that the overall size of the Snapdragon 835 is 30% smaller than that of the Snapdragon 820, and the node shift brings improvements in energy efficiency to the tune of 40%. Qualcomm is also touting a performance increase of 27% over the previous generation.
We'll go into detail on each aspect of the SoC, but in broad strokes, here's what's new with the Snapdragon 835: eight Kryo 280 CPU cores, Adreno 540 GPU, DirectX 12 support, gigabit LTE modem, multi-gigabit Wi-Fi, Bluetooth 5, Hexagon 682 DSP, Spectra 180 ISP, support for HDR10 video, Quick Charge 4.0, and Qualcomm's Aqstic codec with 32-bit/384kHz support and aptX/aptX HD Bluetooth audio.
The Snapdragon 835 features an octa-core semi-custom CPU design, with four brand-new Kryo 280 performance cores clocked at 2.45GHz and four energy-efficient cores at 1.9GHz. The SoC will rely on the energy-efficient cluster for over 80% of the time, with the 2.45GHz cores activated for intensive use cases like VR gaming. The SoC is also compatible with LPDDR4X memory. On the GPU side, the Snapdragon 835 comes with the Adreno 540 with support for OpenGL ES 3.2, OpenCL 2.0, Vulkan, and DirectX 12.
Battery life is one of the tentpole features of the Snapdragon 835, with Qualcomm claiming at least a day's worth of talk time, over 5 days of music playback, more than seven hours of 4K video streaming, and over three hours of 4K video capture. To put things into context, the Snapdragon 835 consumes half as much power as the Snapdragon 801.
The Snapdragon 835 is also the first SoC to offer Quick Charge 4.0. QC 4.0 supports USB-C and USB-PD (Power Delivery), and boasts 20% faster charging and up to 30% higher efficiency when compared to QC 3.0.
In the imaging department, the Spectra 180 is a 14-bit dual ISP that supports up to 32MP cameras or dual 16MP cameras. It offers hybrid autofocus, HDR video recording, optical zoom, hardware-accelerated face detection, better video stabilization, and Qualcomm's Clear Sight tech for devices with dual cameras. The ISP supports H.264 (AVC) and H.265 (HEVC), as well as 4K video capture at 30fps, and 4K playback at 60fps.
With virtual reality gaining momentum, the Snapdragon 835 offers low-latency (15ms motion-to-photon latency) and six-degrees-of-freedom for precise motion tracking. The Adreno 540 GPU displays 60X more colors and is 25% faster at 3D rendering than last year's Adreno 530, leading to more immersive visuals. There's also support for scene-based and object-based audio, HDR10 video, and 10-bit color.
On the connectivity side of things, there's the Snapdragon X16 LTE modem, which enables Category 16 LTE download speeds that go up to one gigabit per second. For uploads, there's a Category 13 modem that lets you upload at 150MB/sec. For Wi-Fi, Qualcomm is offering an integrated 2x2 802.11ac Wave-2 solution along with an 802.11ad multi-gigabit Wi-Fi module that tops out at 4.6Gb/sec. The 835 will consume up to 60% less power while on Wi-Fi.
The Bluetooth 5 spec was finalized last month, with the standard set to offer double the bandwidth, four times the range, and eight times the message capacity of Bluetooth 4.2. The Snapdragon 835 will offer Bluetooth 5, with the SoC being the first commercial product to be certified for the new standard.
The Snapdragon 835 also runs Qualcomm's hardware-based Haven security platform, which has a secure execution environment for user authentication and device attestation.
Overall, the Snapdragon 835 marks a significant upgrade for Qualcomm. The SoC is slated to make its way into devices in the first half of 2017. It will certainly be interesting to see the first batch of devices that will be powered by the processor.
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