Khadas VIM4 vs Rock Pi 4 Model B
Side-by-side comparison of features, pricing, ratings, and alternatives.
The Khadas VIM4 is a high‑performance single‑board computer built around the Amlogic A311D2 processor, offering an octa‑core CPU, 8 GB LPDDR4X RAM and 32 GB eMMC storage. It supports HDMI 2.1 input and output, Wi‑Fi 6, Bluetooth 5.2, and an M.2 slot for SSD expansion, making it suitable for media, AI, and edge‑computing projects. Its compact form factor and cloud‑based OS installer (OOWOW) enable rapid deployment in robotics, digital signage, and home‑lab environments, while the robust connectivity options provide flexibility for developers and hobbyists alike.
The Rock Pi 4 Model B is a single‑board computer built around the Hexa‑core Rockchip RK3399 processor, offering up to 4 GB LPDDR4 RAM, dual‑channel eMMC, and a full‑size HDMI 2.0 port for 4K@60Hz output. Its compact 85 mm × 56 mm board includes USB‑C Power Delivery, USB‑3.0, Gigabit Ethernet, Wi‑Fi 802.11ac and Bluetooth 5.0, making it suitable for both headless servers and media‑center projects. Designed for hobbyists, developers, and edge‑AI applications, the Rock Pi 4 supports Linux, Android, and various open‑source OS images. The board’s GPIO header, PCIe‑x1 lane (via M.2 slot), and optional carrier boards enable expansion into robotics, AI inference, and networking appliances.
- Powerful octa‑core processor with AI NPU
- HDMI input enables video capture
- Wi‑Fi 6 and Bluetooth 5.2 built‑in
- Expandable storage via M.2 NVMe
- High‑performance hexa‑core CPU
- Native 4K video output
- Expandable storage via M.2 NVMe
- Broad OS support and community
- Higher price than basic SBCs
- Limited GPIO compared to larger development boards
- No built‑in battery management
- Wi‑Fi module optional for Wi‑Fi 6
- Limited official accessories compared to Raspberry Pi
- Power delivery requires compatible USB‑C charger
More alternatives & similar tools
Alternatives to Khadas VIM4
View all →
A single-board computer with a removable system-on-module for edge AI applications.
A small, powerful AI computer for makers, learners, and embedded developers.
Alternatives to Rock Pi 4 Model B
View all →
A powerful credit-card-sized computer designed for makers, educators, and hobbyists.
A high-performance single-board computer powered by the Rockchip RK3568 processor.
The Verdict
AI-generated from listing dataRock Pi 4 offers solid performance at a lower price, while Khadas VIM4 adds AI acceleration, Wi‑Fi 6 and HDMI‑in at a premium.
Key differences
- •CPU/GPU: Rock Pi 4 uses a hexa‑core RK3399 (A72/A53); VIM4 uses a faster octa‑core Amlogic A311D2 (2.5 GHz).
- •AI capability: VIM4 includes a dedicated NPU for on‑device inference; Rock Pi 4 has no built‑in AI accelerator.
- •Video I/O: VIM4 provides dual HDMI 2.1 with 4K @30 Hz input for capture; Rock Pi 4 only outputs 4K @60 Hz.
- •Wireless: Wi‑Fi 6 is built‑in on VIM4; Rock Pi 4 requires an optional Wi‑Fi 6 module.
- •Price: Rock Pi 4 starts at $99 (2 GB) to $149 (4 GB); VIM4 is a fixed $199.
Performance
VIM4’s 2.5 GHz octa‑core A311D2 outpaces Rock Pi 4’s RK3399 hexa‑core.
Build quality
Both are compact SBCs with similar dimensions and metal‑based construction; no data on material differences.
Connectivity
VIM4 includes built‑in Wi‑Fi 6, Bluetooth 5.2, dual HDMI 2.1; Rock Pi 4 needs optional Wi‑Fi 6 and has single HDMI 2.0.
Power & efficiency
Rock Pi 4’s lower‑cost models (2 GB) likely consume less power; no explicit power specs provided.
Compatibility
Rock Pi 4’s 40‑pin GPIO header is Raspberry‑Pi compatible, offering broader accessory ecosystem.
Pricing & value
Rock Pi 4 starts at $99–$149 versus VIM4’s fixed $199, delivering comparable SBC functionality for less.
Warranty & support
VIM4 offers a 2‑year warranty; Rock Pi 4 provides 1‑year warranty.
Choose Khadas VIM4 if…
AI developers or media engineers who need on‑board NPU, Wi‑Fi 6, and HDMI capture capability.
Choose Rock Pi 4 Model B if…
Makers needing Raspberry‑Pi compatible GPIO and a lower‑cost SBC for general computing or media.
Common questions
Is Wi‑Fi 6 available on both boards?
VIM4 includes Wi‑Fi 6 built‑in; Rock Pi 4 only supports Wi‑Fi 6 via an optional module.
Can I use Raspberry‑Pi accessories with these boards?
Rock Pi 4 has a 40‑pin GPIO header compatible with Raspberry‑Pi accessories; VIM4’s GPIO is more limited.
Which board offers AI acceleration?
Only the Khadas VIM4 includes a dedicated NPU for AI inference; Rock Pi 4 has no built‑in AI accelerator.