Here’s a detailed description of the Amazon Fire TV Stick 4K (2nd Generation) media streamer:

The Fire TV Stick 4K (2nd Gen), released in October 2023, builds on Amazon’s first-gen 4K stick with several upgrades . It offers ultra‑HD streaming with enhanced performance, wider codec support, and better connectivity.

• Dimensions & Weight: 99 × 30 × 14 mm (108 × 30 × 14 mm including HDMI plug); weighs ~43.5 g .

• Processor & Memory: Quad‑core MediaTek MT8696D CPU at 1.7 GHz, GE9215 GPU (650 MHz), and 2 GB LPDDR4 RAM (~20–30% faster than previous) .

• Storage: 8 GB internal storage (~5.3 GB user‑available) .

• Wi‑Fi: Dual‑band Wi‑Fi 6 (802.11 a/b/g/n/ac/ax) for faster, smoother streams .

• Bluetooth: Bluetooth 5.2 + BLE.

• Ports: HDMI 2.1 output (ARC supported), micro‑USB power input .

• Resolution: Supports 4K UHD at 60 fps, as well as 1080p and 720p .

• HDR Support: HDR10, HDR10+, HLG, Dolby Vision .

• Codec Support: H.265/HEVC, H.264, VP8/VP9, AV1 hardware decoding .

• Audio Formats: Dolby Atmos, Dolby Digital, Dolby Digital Plus, Dolby MAT; 5.1/7.1/channel pass‑through .

  • Reddit users note Atmos plays when connected via compatible sound setup .

• Alexa Voice Remote (3rd Gen) included (with power/volume buttons for TVs, soundbars, A/V systems) .

• Interact using voice to search across services, launch content, even control smart-home devices and check the weather.

• Fire TV Stick 4K (2nd Gen)

• Alexa Voice Remote (3rd Gen)

• HDMI extender cable

• Power adapter & micro‑USB cable

• 2 × AAA batteries

• Quick‑Start Guide 

• Running Fire OS 8 (Android 11-based) .

• Amazon promises security updates for at least four years after it's discontinued .

• ↑ RAM: 2 GB vs. 1.5 GB

• New Mediatek MT8696D CPU (~25–30% faster)

• Wi‑Fi 6 vs. Wi‑Fi 5

• Bluetooth upgraded to 5.2

• Adds AV1 codec support

• HDMI input now 2.1 (not just 2.0) 

The Fire TV Stick 4K (2nd Gen) is an easily portable, budget-friendly streamer delivering snappy performance, vibrant 4K/HDR visuals (Dolby Vision, HDR10+), immersive audio (Dolby Atmos), and future-proof connectivity (Wi‑Fi 6, AV1). Excellent for Prime Video, Netflix, Disney+, 9Now, 7plus, YouTube, live TV apps, and powerful enough for smart-home control via Alexa.