Amlogic vs Rockchip vs Allwinner: Who Wins Video Decoding?

Updated 2026-10-21

You plug in your Android TV box, eager to stream a 4K HDR movie or play a high-bitrate local file from a USB drive. The video starts, but then stutters. Audio desyncs. The frame rate drops. You are left staring at a freezing screen, wondering if the problem lies with your internet connection or the hardware itself. In the world of budget and mid-range Android TV devices, the System on Chip (SoC) is the unsung hero—or the bottleneck—determining whether your viewing experience is seamless or frustrating.

While flagship devices from Sony, NVIDIA, or high-end Xiaomi boxes often use powerful Qualcomm or MediaTek chips, the vast majority of affordable Android TV boxes rely on three main Chinese semiconductor manufacturers: Amlogic, Rockchip, and Allwinner. Each brand approaches video decoding with different philosophies, leading to distinct strengths and weaknesses. Understanding these differences is crucial for anyone building a media center or buying a second-hand box, as raw CPU speed rarely matters as much as the dedicated Video Decode Engine (VDE) within the chip.

Amlogic: The Gold Standard for Media

For years, Amlogic has been the default choice for many of the most popular Android TV boxes, including the widely used S905 series found in countless devices from brands like X96, HK1, and global OEMs. Their approach to video decoding is mature, stable, and highly optimized for the Android TV ecosystem.

The primary advantage of Amlogic chips, such as the S905D3 or the newer S905X4, is their robust support for modern codecs. They handle H.265 (HEVC) Main10 profiles with ease, which is essential for 4K HDR content. Furthermore, Amlogic has a long history of supporting hardware decoding for older formats like MPEG-2 and VC1, which is vital if you plan to play legacy Blu-ray rips or older MKV files. The hardware implementation in Amlogic SoCs is generally “set and forget.” Once the correct firmware or system image is installed, the video output is clean, and audio passthrough (for Dolby Digital or DTS) usually works without complex software tweaking.

However, Amlogic is not without its quirks. The software support is heavily dependent on the device manufacturer. If you buy a generic box with an Amlogic chip, you might receive a heavily modified Android TV fork that has limited app compatibility or poor UI performance. Additionally, while the decoding is powerful, the general CPU performance in older S905 models can feel sluggish when navigating the home screen or loading large libraries in media servers like Kodi or Plex.

Rockchip: The Powerhouse for Raw Performance

Rockchip has carved out a niche by offering higher CPU and GPU performance alongside capable video decoding. Chips like the RK3318, RK3328, and the newer RK3566 are increasingly common in Android TV boxes and even some Raspberry Pi alternatives. Rockchip’s strength lies in its versatility. They often support a wider range of video formats out of the box, including AV1 decoding in their newer mid-range chips, which is becoming the new standard for web streaming.

If you are a power user who runs Kodi, Jellyfin, or Plex with hardware acceleration, Rockchip chips often provide a smoother experience than their Amlogic counterparts in the same price bracket. The GPU in Rockchip SoCs is generally more capable, meaning that if you use a launcher that relies on 2D/3D transitions or if you play light games, the device will feel more responsive. The video decoding pipeline in Rockchip is also very efficient, allowing for high-bitrate 4K playback without excessive thermal throttling, provided the device has adequate cooling.

The trade-off with Rockchip is stability and driver support. While the hardware is powerful, the Android TV implementation can sometimes be less polished than Amlogic’s. Users may encounter occasional driver bugs related to HDMI CEC or specific audio outputs. Furthermore, finding a high-quality, pre-installed Android TV ROM for Rockchip devices can be slightly harder than for the ubiquitous Amlogic devices, requiring more technical know-how to flash and customize.

Allwinner: The Budget Option with Limitations

Allwinner chips, such as the H3, H5, and H6, are typically found in the most budget-friendly Android TV boxes, often priced under $30. They are designed to cut costs, and this is reflected in their video decoding capabilities. While they can handle 1080p content flawlessly, their 4K capabilities are often compromised. Many Allwinner SoCs support 4K decoding, but they may struggle with high-bitrate streams or specific HDR metadata formats.

The primary issue with Allwinner is the lack of consistent hardware acceleration for modern codecs. You might find that a 4K H.265 file plays smoothly, but switching to an AV1 stream or a high-profile HEVC file results in stuttering as the CPU tries to compensate for the lack of dedicated decoding power. Additionally, Allwinner chips often lack support for audio passthrough in many Android TV versions, meaning you might have to rely on PCM output, which limits your surround sound options unless you use specific workarounds like Kodi with specialized add-ons.

Allwinner devices are generally best suited for casual streaming of standard definition or 1080p content. They are not recommended for serious home theater setups where 4K HDR integrity and surround sound are priorities. However, for a kitchen TV or a secondary display, their low power consumption and low price point make them a viable, if limited, option.

The Verdict: Choosing Based on Your Needs

When comparing these three giants, the choice depends entirely on your specific use case. If you want a hassle-free Android TV experience with reliable 4K HDR playback and broad codec support, Amlogic remains the safest bet, provided you choose a reputable manufacturer. If you are a tinkerer who values raw performance, AV1 support, and smooth GUI interactions, Rockchip offers superior hardware at a slightly higher complexity. Finally, if you are on a strict budget and only watch 1080p content, Allwinner can suffice, but expect to compromise on advanced features. Always check the specific codec support list for your chosen device before purchasing, as firmware updates can change capabilities over time.

Related reading: more Android TV notes