The Qualcomm Snapdragon 820 MSM8996 is a high-end ARM-based SoC largely found on Android tablets and smartphones. Announced in December 2015, the S820 is the successor to the Snapdragon 810 and should start shipping in the first half of 2016. In addition to 4 CPU cores (two slower clocked and two faster clocked Kryo cores), the SoC integrates an Adreno 530 GPU with a LPDDR4 memory controller and supports Wi-Fi (802.11ad + MIMO), Bluetooth 4.1, and LTE.
CPU
The Snapdragon 820 is based on a similar concept as ARM's big.LITTLE, which combines a low power CPU cluster (2x Kyro clocked at up to 1.6 GHz) and a performance CPU cluster (2x Kyro clocked at up to 2.15 GHz). The clock speed of each cluster can be individually adjusted (but not per core) and the lowest clock speed is 310 MHz. The performance cluster features 1.5 MB L2 cache and the power saving one 512 KB. Both should be using the same architecture and fully support the ARMv8-ISA instruction set.
Although only four cores are used, the performance of the 820 is located in the high end of mobile CPUs for smartphones and tablets.
GPU
The Adreno 530 outperforms the previous Adreno 430 especially in high demanding benchmarks. Therefore it is well suited of modern 3D games on Android devices and should rank slightly below the Tegra X1 GPU.
Features
The Snapdragon 820 offers numerous wireless technologies such as Bluetooth 4.1, WLAN 802.11a/b/g/n/ac/ad (60 GHz) + MIMO as well as a dual-SIM cellular modem supporting LTE cat. 12/13 .
The SoC can encode and decode 4K videos using dedicated hardware (H.264 and H.265).
Power Consumption
Thanks to the new 14 nm process, the energy efficiency has been improved noticeably compared to its 20 nm predecessors.
The Qualcomm Snapdragon 430 (SD430) is a lower mainstream SoC for (Android based) smartphones and tablets. Contrary to the Snapdragon 630, it is still manufactured in a 28-nm process and also consists of an octa-core CPU part with ARM Cortex-A53 cores. However, they are only clocked at up to 1.4 GHz. The integrated X6 LTE modem supports Cat. 4 with maximum transfer rates of 150 Mbps (downstream) and 75 Mbps (upstream). The SoC also includes an Adreno 505 GPU with support for Vulkan and OpenGL ES 3.1. WiFi 802.11ac and Bluetooth 4.1 are supported as well. The memory controller supports LPDDR3 clocked at 800 MHz (so probably dual-channel DDRL-1600).
Average Benchmarks Qualcomm Snapdragon 820 MSM8996 → 100%n=15
Average Benchmarks Qualcomm Snapdragon 430 (MSM8937) → 73%n=15
- Range of benchmark values for this graphics card - Average benchmark values for this graphics card * Smaller numbers mean a higher performance 1 This benchmark is not used for the average calculation
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