Item specifics
Description
RK3399K is a robust industrial-grade hexa-core processor. The RK3399K features a big.LITTLE architecture. For industrial applications, RK3399K is the ideal choice. The RK3399K supports wide -40°C to 85°C temperatures. We recommend RK3399K for edge AI computing. Choosing RK3399K ensures high reliability in harsh environments.
RK3399K Product Overview
RK3399K is Rockchip's industrial-grade hexa-core ARM processor, featuring a big.LITTLE architecture with dual-core Cortex-A72 (up to 2.0 GHz) and quad-core Cortex-A53 (up to 1.5 GHz). While retaining flagship performance, the RK3399K extends the operating temperature range to -40°C to 85°C for harsh industrial and outdoor environments. The RK3399K integrates a Mali-T860MP4 GPU supporting OpenGL ES 3.2, OpenCL 1.2, and Vulkan 1.0 for smooth 4K UI and complex 3D graphics. The video engine on the RK3399K provides 4K@60fps H.264/H.265/VP9 hardware decoding and 1080P@30fps encoding, with HDMI 2.0, MIPI DSI, eDP, and DP display interfaces supporting dual independent displays. The RK3399K offers USB 3.0, USB 2.0, Gigabit Ethernet, PCIe 2.1, SPI Flash/eMMC/SD boot, and a rich set of UART/SPI/I2C peripherals. Memory compatibility on the RK3399K covers DDR4/DDR3L/LPDDR4/LPDDR3 up to 4 GB. RK3399K targets industrial tablets, outdoor digital signage, industrial HMIs, edge AI computing, and smart retail applications requiring high reliability and wide-temperature operation.
RK3399K Core Features
RK3399K CPU: Dual Cortex-A72 (up to 2.0 GHz) + Quad Cortex-A53 (up to 1.5 GHz), big.LITTLE
RK3399K GPU: Arm Mali-T860MP4, OpenGL ES 3.2 / OpenCL 1.2 / Vulkan 1.0
RK3399K Video: 4K@60fps H.264/H.265/VP9 decode, 1080P@30fps H.264/H.265 encode
RK3399K Display: HDMI 2.0, MIPI DSI, eDP, DP, dual independent displays
RK3399K Memory: Supports DDR4/DDR3L/LPDDR4/LPDDR3, up to 4 GB
RK3399K Storage Boot: eMMC 5.1, SD/SDIO 3.0, SPI Flash
RK3399K High-Speed Interfaces: USB 3.0 ×1, USB 2.0 ×2, Gigabit Ethernet MAC
RK3399K Expansion: PCIe 2.1 ×1, 5× UART, 9× I2C, 6× SPI, 3× PWM
RK3399K Package: BGA, 0.65 mm pitch
RK3399K Temperature Range: -40°C to 85°C (industrial wide-temp)
RK3399K Applications
RK3399K Industrial Tablets & Panel PCs: Wide-temp operation and high reliability for harsh factory environments
RK3399K Outdoor Digital Signage: Withstands extreme temperatures, supports dual independent displays and 4K playback
RK3399K Industrial HMI: Rich peripherals for connecting sensors and actuators
RK3399K Edge AI Computing Box: PCIe expansion for NPU/accelerator cards enabling real-time local inference
RK3399K Smart Retail Terminals: Self-service kiosks and ESL systems requiring 24/7 stable operation
RK3399K Key Advantages
RK3399K Industrial-Grade Wide Temperature: Stable operation from -40°C to 85°C, designed for harsh environments
RK3399K Uncompromised Flagship Performance: Same computing power as standard RK3399 with dual A72 + quad A53
RK3399K Professional GPU & 4K: Mali-T860MP4 delivers smooth 4K display and 3D graphics
RK3399K Multiple Display Interfaces: Supports HDMI, MIPI, eDP, DP for flexible screen adaptation
RK3399K Rich Expansion: USB 3.0, Gigabit Ethernet, PCIe meeting industrial communication needs
RK3399K High Reliability: Industrial quality with long-term supply commitment
RK3399K Mature Ecosystem: Android/Linux dual-system support with extensive SDK and community resources
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FAQ
1. What is RK3399K?
RK3399K is an industrial-grade high-performance application processor from Rockchip, built on a 28nm HKMG process. It features a dual-core ARM Cortex-A72 + quad-core ARM Cortex-A53 big.LITTLE architecture with an integrated Mali-T860MP4 quad-core GPU, designed for industrial control, edge computing, and AIoT applications in harsh environments.
2. What are the key specifications of RK3399K?
Hexa-core 64-bit CPU: dual-core Cortex-A72 + quad-core Cortex-A53, with industrial wide-temperature versions running at A72 1.8GHz + A53 1.4GHz; ARM Mali-T860MP4 GPU supporting OpenGL ES1.1/2.0/3.0/3.1, OpenCL, and DX11; supports LPDDR3/LPDDR4 memory up to 8GB; supports eMMC 5.1 storage; 28nm HKMG process.
3. What package does RK3399K use?
FCBGA-828 package, measuring 21mm × 21mm, with 0.35mm ball size and 0.65mm ball pitch.
4. What applications is RK3399K suitable for?
Industrial automation control, edge computing gateways, Human-Machine Interfaces (HMI), intelligent security (facial recognition access control, smart cameras), smart retail (self-checkout, smart vending), machine vision, rail transit, medical equipment terminals, industrial robots, NAS network storage, digital signage, self-service terminals, and more.
5. What development tools support RK3399K?
Rockchip's Linux SDK (supporting Ubuntu/Debian/Buildroot/Yocto, etc.) and Android SDK. The official SDK supports Linux kernel 4.4 and Android 7.1. Development is recommended on Ubuntu 16.04/18.04 environments. For video encoding/decoding, Rockchip MPP (Media Process Platform) hardware codec library is available.
6. What is the operating temperature range of RK3399K?
RK3399K is an industrial-grade wide-temperature chip supporting an extended range of -20°C to +85°C. Some vendor modules support -20°C to +80°C or -20°C to +70°C. Compared to the commercial-grade RK3399 (0°C to 60°C), RK3399K significantly extends the wide-temperature operating range.
7. What is the NPU computing power of RK3399K?
Information varies across sources: some indicate RK3399K features a built-in NPU with 1.0 TOPS computing power, supporting INT8/INT16/FP16 mixed precision; others note its NPU capabilities are relatively basic compared to newer AI chips. Some development boards enhance AI capabilities with a separate AI accelerator chip (e.g., SPR2801S, 2.8 TOPS).
8. What is the video processing capability of RK3399K?
Supports 4K@60fps H.265/H.264/VP9 hardware video decoding and 1080P H.264/VP8 hardware video encoding. Features dual hardware ISPs supporting up to 13MP single or dual 8MP camera input. Supports HDMI 2.0 (4K@60Hz), eDP 1.3, MIPI-DSI, DP 1.2, and other display interfaces, with support for dual-display with same or different content.
9. What is the difference between RK3399K and RK3399?
Both share the same core architecture. Key differences: ①Temperature grade: RK3399K is industrial wide-temperature (-20~85°C), while RK3399 is commercial grade (0~60°C); ②Frequency: RK3399K wide-temperature version runs at A72 1.8GHz/A53 1.4GHz, with some commercial scenarios reaching 2.0GHz/1.6GHz; ③NPU: Some RK3399K sources indicate a built-in NPU, while RK3399 has no NPU. Both share the same package (FCBGA-828) and are pin-compatible.
10. What peripheral interfaces does RK3399K support?
Supports dual Gigabit Ethernet (GMAC, expandable to 2.5GbE), PCIe 2.1, USB 3.0 (multiple) and USB 2.0. Display interfaces include HDMI 2.0 (4K@60Hz), eDP 1.3, MIPI-DSI, and DP 1.2. Camera interfaces support dual MIPI-CSI and DVP. Also supports I2C, SPI, UART, SDIO, PWM, GPIO, and other rich interfaces.