Amazon Fire TV Stick 4K Plus (2025) VS Xiaomi TV Stick 4K (2nd Gen)

In terms of video and audio format support, these two devices are virtually identical. Both handle the full premium HDR suite — Dolby Vision, HDR10+, HDR10, and HLG — meaning neither forces a compromise on picture quality regardless of your TV's capabilities. Audio is equally matched, with both supporting Dolby Digital and Dolby Digital Plus, covering the vast majority of streaming audio formats. Neither device is ad-free, and neither supports AirPlay or Apple HomeKit, so iOS/macOS ecosystem users will find the same limitations on both sides.

The meaningful split comes down to smart assistant and casting ecosystem. The Amazon Fire TV Stick 4K Plus is built around Alexa, giving it deep integration with Amazon's ecosystem — smart home control, shopping, and Fire TV-native features. The Xiaomi TV Stick 4K (2nd Gen), by contrast, aligns with Google's ecosystem: it supports Google Assistant and includes Chromecast built-in. That last point is practically significant — Chromecast lets you cast directly from Chrome, Android, and thousands of Google-compatible apps without needing the remote, a workflow that has no equivalent on the Fire TV side.

The Xiaomi TV Stick 4K (2nd Gen) holds a functional edge in this group, specifically because of Chromecast built-in. Both devices offer identical HDR and audio support, but the ability to cast natively from Android and Chrome browsers adds a layer of flexibility the Amazon stick simply cannot match. If you are already embedded in Amazon's ecosystem and rely on Alexa, the Fire TV Stick 4K Plus remains a strong fit — but purely on feature breadth as defined by these specs, Xiaomi's Google integration tips the balance.

On paper, these two sticks share the same foundation: both output at 4K, carry 2GB of RAM, and offer 8GB of internal storage. That parity means app libraries, multitasking headroom, and the amount of space available for downloaded content are essentially equivalent out of the box. Neither device will feel cramped for typical streaming use cases.

Where they diverge is CPU clock speed, and the gap is not subtle. The Xiaomi TV Stick 4K (2nd Gen) runs its quad-core processor at 2.5 GHz, compared to 1.7 GHz on the Amazon Fire TV Stick 4K Plus — roughly a 47% higher clock rate. In practice, faster clock speeds translate to snappier UI navigation, quicker app launches, and more fluid performance when switching between multiple streaming services. For users who frequently jump between apps or use heavier applications, that extra headroom is tangible rather than theoretical.

The Xiaomi TV Stick 4K (2nd Gen) has a clear performance edge in this group, driven entirely by its significantly faster processor. Since RAM and storage are identical, the CPU difference is the sole variable — and it is a meaningful one. The Amazon Fire TV Stick 4K Plus is by no means underpowered for standard streaming, but if raw responsiveness is a priority, Xiaomi's specs are objectively stronger here.

Wireless connectivity is a draw. Both devices support Wi-Fi 6 (802.11ax) alongside the older Wi-Fi 5 and Wi-Fi 4 standards, and both run Bluetooth 5.2 — meaning network throughput, range, and peripheral pairing stability are equivalent. Neither device supports Matter, so smart home protocol coverage is identical on that front as well.

The physical connection story, however, favors the Amazon Fire TV Stick 4K Plus on two counts. It includes HDMI ARC support, which allows the stick to pass audio back through the HDMI connection to a compatible soundbar or AV receiver without a separate optical or analog cable — a genuinely useful convenience in modern home theater setups. The Xiaomi TV Stick 4K (2nd Gen) offers no HDMI ARC at all. Additionally, the Fire TV Stick 4K Plus features a USB Type-C port, which the Xiaomi lacks entirely. While neither stick has traditional USB-A or Ethernet ports, USB Type-C opens the door for accessories or alternate power sources where applicable.

The Amazon Fire TV Stick 4K Plus (2025) holds a clear edge in connectivity. Shared wireless specs mean network performance will be indistinguishable day-to-day, but HDMI ARC alone is a meaningful hardware advantage for anyone using an external audio system — and the addition of USB Type-C further widens the gap in physical versatility.

Every spec in this group is identical across both devices. Each comes with a remote control, and neither offers a rechargeable remote, a customizable remote, or a headphone jack on the remote. There are no differentiators to analyze here.

This is a complete tie. Buyers who care about remote features — such as private listening via a headphone jack or the convenience of a USB-rechargeable remote — will find neither product satisfies those preferences based on the data provided.