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Green printed circuit board with black connectors and silver heatsink

Khadas

Khadas VIM4 Amlogic A311D2 8GB LPDDR4X 32GB development board

SKU CH-GCQH-7CCKQ

A development board with Amlogic A311D2 processor, 8GB LPDDR4X memory, 32GB storage, 3.2 TOPS NPU, HDMI input, four display interfaces, WiFi 6 and Bluetooth 5.1

Name Basic Kit

  • 2 TOPS NPU accelerates edge AI workloads
  • HDMI input enables video conferencing and smart display use
  • Four display interfaces drive up to three independent screens
  • 8 GB LPDDR4X at 2016 MHz handles memory-intensive applications
  • Wi-Fi 6 with 2×2 MIMO and Bluetooth 5.1 provides fast wireless connectivity

IoT Edge Development Board

The Khadas VIM4 is a single-board computer built around the Amlogic A311D2 processor with 8GB LPDDR4X memory and 32GB storage. It targets developers creating smart displays, video conferencing endpoints or multi-screen kiosks that need HDMI input and 4K output. The board also suits edge AI prototypes thanks to its 3.2 TOPS NPU.

Thermals and Power Envelope

The SoC combines four Cortex-A73 cores at 2.2GHz with four Cortex-A53 cores at 2.0GHz alongside a Mali G52MP8 GPU at 800MHz. A 32-bit STM32G031K6 MCU handles low-power management tasks. Power enters through a wide 9-20V VIN range, and the AP6275S Wi-Fi 6 module supports 802.11a/b/g/n/ac/ax with 2x2 MIMO and RSDB alongside Bluetooth 5.1.

Build and Connectivity Implications

Four display interfaces — HDMI, MIPI-DSI, V-by-One and eDP — enable up to three independent screens simultaneously, with touch support on the MIPI-DSI link. A micro HDMI input port receives 4K 60fps signals from PCs, consoles or AV gear. Dual MIPI-CSI connectors accept two cameras, while an onboard 3-axis g-sensor and real-time clock aid orientation-aware and wake-on-LAN applications. OOWOW embedded service streamlines OS delivery and device maintenance. Builders needing more than 32GB of onboard storage or a second NPU should look elsewhere.

Pontos fortes

  • 2 TOPS NPU accelerates edge AI workloads
  • HDMI input enables video conferencing and smart display use
  • Four display interfaces drive up to three independent screens
  • 8 GB LPDDR4X at 2016 MHz handles memory-intensive applications
  • Wi-Fi 6 with 2×2 MIMO and Bluetooth 5.1 provides fast wireless connectivity

Especificações

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Perguntas sobre este artigo

How do I install the Khadas VIM4 and what step do people often get wrong?

Connect a 9-20V power supply to the VIN header, attach a micro HDMI cable for display output, then use the OOWOW embedded service to select and flash an OS image; the step users miss is powering the board before the OS is written, which leaves the eMMC blank.

What maintenance or replacement will the Khadas VIM4 need later?

The real-time clock relies on a coin-cell battery that will eventually need replacing to keep time during power-off periods; otherwise the board has no moving parts or user-serviceable storage modules.

What limit appears first on the Khadas VIM4 under sustained heavy load?

The Mali G52MP8 GPU and dual Cortex-A73/A53 clusters share a passive heatsink, so prolonged 4K 50fps encoding or 3.2 TOPS NPU inference will hit thermal throttling before any memory or bandwidth ceiling.

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