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4Kp120 intelligent chipset, compliant with a complete series of parallel standards

Hi3751V811X is a great fit for high-end 4K smart TVs and smart home centers. It boasts an impressive flagship specs sheet:

• Full support for parallel standards: AVS3, Audio Vivid, HDR Vivid, and ChinaDRM

• 8Kp30/4Kp120 decoding with popular decoding protocols such as AVS3, H.265, and AV1

• Arm big.LITTLE technology with 64-bit 2 x Cortex-A73 + 2 x Cortex-A53 CPUs to support high-speed computing in diverse complex home scenarios

• Mali-G51 MP4 GPU capable of 4K UI and 3D rendering

• Large bandwidth to support higher memory capacity and smoother system operations

• PQ improvement algorithms that improve the clarity, color, contrast, and smoothness, including the upgraded HiSilicon-developed PQ algorithm, AI algorithm, and 4K@120 Hz MEMC

• Full support for TCON algorithms and adaptation to LCDs, to deliver a consistent premium experience

  • Parallel standard support

    AVS3, Audio Vivid, HDR Vivid, and ChinaDRM

  • TCON-less panel adaptation

    2-frame OD for 4K 120 Hz and gate for 4K 60 Hz, quick adaptation to 4K screens.with power-on quality equivalent to that provided by TCON panel manufacturers

  • 500-partition backlight direct drive

    More convenient, refined, and cost-efficient backlight control

  • Up to 4 GB memory

    Paving the way for a smooth experience

HDR Vivid

Bringing out vibrant colors

HDR Vivid is released by the UWA,and intelligently optimizes HDR schemes on a frame-by-frame basis. With dynamic metadata and tone mapping, this technology dynamically adjusts display effects based on the actual brightness and color information to deliver consistent color vibrancy and detail. HDR Vivid tweaks images to display colors and textures closer to reality, with precise contrast and distinct bright and dark regions.


8K/4K UHD codec with leading performance

AVS3, published in October 2021, is the next-generation UHD audio and video encoding standard designated by China's NRTA, DVB, and IEEE. AVS3 is the latest member of the family of video encoding standards developed by China's AVS Workgroup. It is capable of encoding video with approximately 40% bitrate savings for the same subjective quality compared to HEVC. This places AVS3 among the world's most efficient video encoding technologies.

Key Features

High-Performance CPU
• Big-Little architecture, 2 x Cortex-A73 + 2 x Cortex-A53
• High-performance multi-core GPU Mali-G51 MP4
Memory Control Interfaces
• DDR3/DDR4/LPDDR4 interfaces, with up to 4 GB of storage
• eMMC 5.1
Video Decoding
• AVS3/AVS2 Main Profile (10-bit)@Level 8.2.60, up to 4K x 2K@120 fps
• ITU-T H.265 Main 10 Profile@Level 5.1 High tier, up to 4K x 2K@120 fps
• VP9 Profile 2 (10-bit), 4K x 2K@60 fps
• H.264 BP/MP/HP@Level 5.0, 4K x 2K@30 fps
Image Decoding
• JPEG decoding, up to 64 MP
Video Encoding
• H.264 encoding, up to 1080p@30 fps
Audio Encoding and Decoding
• Multi-format audio decoding
− Dolby Digitaloption, Dolby Digital Plusoption
− DTSoption, DTS-HDoption, DTS-M6option
Hi Imprex VII Engines
• Hi-HDR IV processing engine
• Hi-Imprex VII resizing engine
• Hi-Imprex VII video processing engine
• Hi-Imprex VII image enhancement engine
• Hi-SuperClear VII processing engine
• 12-bit programmable gamma LUT
• Automatic 3D format detection
• 2D-to-3D conversion
• 0D/1D/2D local dimming
• 500-partition backlight direct drive
• Hi-Motion IV Engine for 4K@120 Hz processing
Audio and Video Interfaces
• 1x YPbPr
• 1x analog TV input
• 3x HDMI RX inputs
• 2x S/PDIF outputs
Peripheral Interfaces
• 3x USB 2.0
• 1x USB 3.0
• 1x 100 Mbps or 10 Mbps network port
• 2x UART

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