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Xiaomi TV Stick 4K (2nd Gen) specifications and in-depth review

Xiaomi TV Stick 4K (2nd Gen)

Manufacturer: Xiaomi

The Xiaomi TV Stick 4K (2nd Gen) is a compact streaming device that brings a full smart TV experience to any compatible display. Running on a built-in smart TV platform with Google Assistant voice control and Chromecast built-in, it gives users straightforward access to apps and content directly from the stick. The remote control is included, though it lacks a headphone jack, rechargeable battery, or customizable buttons.

On the performance side, the device is equipped with a quad-core processor clocked at 4 x 2.5 GHz, 2GB of RAM, and 8GB of internal storage, paired with a 4K output resolution and broad HDR support covering Dolby Vision, HDR10+, HDR10, and HLG. Audio formats are well covered too, with Dolby Atmos, Dolby Digital, Dolby Digital Plus, DTS:X, and Dolby Audio all supported. Connectivity relies on Wi-Fi 6 and Bluetooth 5.2, though the device has no USB ports, no external memory slot, no RJ45 port, and no HDMI ARC support.

Pros
  • Supports a wide range of HDR formats including Dolby Vision, HDR10+, HDR10, and HLG, covering most modern display standards
  • Audio output includes Dolby Atmos, Dolby Digital, Dolby Digital Plus, DTS:X, and Dolby Audio, offering broad format compatibility
  • Wi-Fi 6 support ensures faster and more stable wireless connections on compatible networks
  • Chromecast built-in and Google Assistant integration allow for hands-free control and easy content casting
  • The quad-core processor at 4 x 2.5 GHz paired with 2GB of RAM provides reasonable processing headroom for a streaming stick
  • The compact physical dimensions make it easy to fit behind most displays without obstructing nearby ports
Cons
  • No USB ports or external memory slot limits the ability to play local media or expand storage beyond the built-in 8GB
  • Lacks HDMI ARC or eARC support, which restricts audio passthrough options for connected sound systems
  • The remote control is neither rechargeable nor customizable, and has no headphone jack for private listening
  • No Alexa or Siri compatibility limits voice assistant flexibility for users outside the Google ecosystem
  • AirPlay is not supported, making wireless streaming from Apple devices unavailable
  • Does not support the Matter smart home standard, reducing integration options with newer smart home setups
Who is this for?

This streaming stick is well-suited to users who want to turn a standard display into a smart TV without complicated setup, thanks to its built-in smart TV platform with Google Assistant and Chromecast support. Those who stream primarily through Android-based or Google-ecosystem services will find the voice control and casting features a natural fit. The broad HDR format support — covering Dolby Vision, HDR10+, HDR10, and HLG — makes it a practical pick for anyone with a 4K HDR-capable display who wants to make full use of their screen's capabilities. The compact dimensions also make it a convenient option for travel or secondary room setups where minimal hardware footprint matters.

Who is this NOT for?

Users who rely on Apple devices or Alexa-based smart home ecosystems will find this device limiting, as AirPlay, Siri, and Amazon Alexa are all absent. Those who regularly play local media files from USB drives or external storage will also be poorly served, given the complete lack of USB ports and no external memory slot. For home theater enthusiasts who require HDMI ARC or eARC passthrough to route audio through a soundbar or AV receiver, the absence of that feature is a meaningful gap. Additionally, users who prefer flexibility in their remote — such as a headphone jack for private listening or customizable shortcut buttons — will not find those options here.

Features:

supports Dolby Vision ✓
supports HDR10+ ✓
has voice commands ✓
has built-in smart TV ✓
has Dolby Atmos ✓
Ad-free ✕
has AirPlay ✕
supports HLG ✓
has Chromecast built-in ✓
compatible with Google Assistant ✓
works with Alexa ✕
works with Siri/Apple HomeKit ✕
has Dolby Audio ✓
supports Dolby Digital ✓
supports Dolby Digital Plus ✓
has DTS:X ✓
supports HDR10 ✓

The Features section of this device covers a solid range of capabilities centered around display quality, audio support, and smart platform integration. On the visual side, it supports Dolby Vision, HDR10+, HDR10, and HLG, providing broad high dynamic range compatibility. Audio is equally well-equipped, with Dolby Atmos, Dolby Audio, Dolby Digital, Dolby Digital Plus, and DTS:X all supported. The device includes a built-in smart TV platform, voice commands, Google Assistant compatibility, and Chromecast built-in, making it straightforward to navigate and cast content. AirPlay, Alexa, and Siri/Apple HomeKit are not supported, and the device is not ad-free.

Performance:

output resolution 4K
CPU speed 4 x 2.5 GHz
RAM 2GB
internal storage 8GB

In terms of performance, the device outputs at 4K resolution and is driven by a quad-core processor running at 4 x 2.5 GHz. It comes with 2GB of RAM and 8GB of internal storage, providing the baseline resources needed to run the smart TV platform and installed applications.

Connectivity:

Wi-Fi version Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
HDMI ARC / eARC None
supports Matter ✕
Bluetooth version 5.2
has an external memory slot ✕
RJ45 ports 0
USB ports 0
Has USB Type-C ✕

Wireless connectivity is handled through Wi-Fi 6 (802.11ax), with backward compatibility for Wi-Fi 5 and Wi-Fi 4, alongside Bluetooth 5.2. The device has no HDMI ARC or eARC support, no RJ45 port, no USB ports, and no USB Type-C connection. It also lacks an external memory slot and does not support the Matter smart home standard, keeping its physical and protocol connectivity fairly minimal.

General info:

has a rechargeable remote control ✕
has a customizable remote ✕
has a remote control ✓
has headphone jack on remote ✕
height 107.4 mm
thickness 14 mm
volume 45.108 cm³
width 30 mm

The device includes a remote control, though it is not rechargeable, not customizable, and does not feature a headphone jack. Physically, the stick measures 107.4 mm in height, 30 mm in width, and 14 mm in thickness, with a total volume of 45.108 cm³, making it a notably compact unit.

Final Verdict

The Xiaomi TV Stick 4K (2nd Gen) is a capable streaming device that covers the essentials well — delivering 4K output with extensive HDR format support and a strong audio codec lineup, all within a compact form factor that suits both fixed and portable setups. Its integration with the Google ecosystem, including Google Assistant, Chromecast built-in, and a built-in smart TV platform, gives it a coherent and functional software experience. Where it falls short is in physical expandability and cross-ecosystem flexibility, with no USB ports, no AirPlay, and no Alexa support narrowing its appeal to users already oriented around Google-based services. For that audience, however, the combination of Wi-Fi 6 connectivity and broad HDR and audio format compatibility makes it a well-rounded stick that handles everyday 4K streaming without compromise.

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