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Read the Amlogic S905X4 in one article

2022-05-28
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       Amlogic S905X4 has been out for a while, so let's have a little chat today.

  Amlogic S905X4 is an advanced application processor specially designed for smart set-top boxes. This chip adopts 12nm process technology, quad-core Cortex-A55 architecture, the computing power of integers can reach 21800+, the main frequency is up to 2.0GHz, and it supports OpenGL ES3.2. Arm with Vulkan 1.1 and OpenCL 2.0. GPU is Mali-G31Mp2.

  In terms of video output, Amlogic S905X4 mainly improves security and supports HDCP 2.3 protocol, which can bring stronger protection to the transmission of new 8K ultra-high-definition program sources. At present, some high-end TVs have begun to use the HDCP 2.3 protocol.

  In terms of audio processing, Amlogic S905X4 adds support for the fourth-generation HiFi DSP. The fourth-generation HiFi DSP is a highly optimized audio/voice processor for efficient execution of audio/voice codecs and pre-and post-processing modules and other demanding DSP functions in wireless communications.

  

Amlogic S905X4 Specifications:

Process

12nm

CPU

Quad-Core ARM Cortex-A55

GPU

ARM Mali-G31 MP2
OpenGL ES 3.2, Vulkan 1.1 and OpenCL 2.0

NPU

1.2 TOPS (optional)

Memory

32-bit DDR3/3L/4, LPDDR3/4

Storage

eMMC 5.0, NAND Flash, SPI NOR/NAND, SD

Video Processing

4Kp75 10bit H.265, VP9, AVS2 decoding
4Kp30 H.264 decoding
1080p60 H.265, 1080p30 H.264 encoding

HDR

HDR10, HDR10+, HLG, Dolby Vision, TCH PRIME

Ethernet

10/100/1000M MAC + 10/100M PHY

USB/PCI-e

1x USB2+ 1x USB3 / (1x PCIe Gen-2+1x USB2.0)

Audio Interface

Stereo DACs, SPDIF-in & out,8Ch PDM, Multi-channel I2S in & out

Voice & Audio Processing

VAD, ASRC/EQ/DRC

Video Output

4Kp60 HDMI 2.1, CVBS

DVB

2x TS in, ISO7816


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