What Apple TV to buy?.
What Apple TV to buy? For the Apple company, updating its equipment is very common and this is evidenced in the mobile computers and iPads which are its most sought-after products, the other Apple products or equipment are regularly updated, which adapts to the type of use for which each of them is intended.
In the case of Apple TV media devicesThis is something that does not happen so often, if we compare it with the rest of the equipment manufactured by this company, and this is precisely due to the use for which they were developed.

Apple TV
These multimedia devices went on the market in 2007, and since then only four more generations of these devices have come out, currently it is already on the market the fifth generation of these devices, which means that, although updates have been made, they are fewer than those that were made to the rest of the equipment of this company.
Apple TV 4K vs. Apple TV HD
The primary difference when it comes to Apple TV media devices is definitely in your Hardwareto understand it better we will separate them.

- Apple TV 4K: 32 and 64 GB storage capacity, HDMI 2.1 connector, access to Wifi 802.11ax(6th gen) with MIMO that has simultaneous dual band for 2.4 and 5 GHz, Thread, a Gigabit Ethernet, of course Bluetooth 5.0 technology wireless, the infrared receiver and the integrated power supply could not be missing. The chip it has is an A12 Bionic which gives it great power and speed.
- Apple TV HD: 32 GB storage capacity, offers a USB-C port, an HDMI 1.4 port, an 802.11ac Wi-Fi connector with MIMO, a 10/100BASE-T Ethernet cable connector, wireless Bluetooth 4.0, an infrared receiver, and a Integrated power supply. It only has an A8 chip, it is a good alternative for speed but it is not the best on the market.
At the design level
Regarding the external design of Apple TV multimedia devices, these have not undergone major changes, they continue to retain their simple but elegant and discreet design, in the same way they can still be purchased at traditional Apple brand colors, black and white. The most obvious changes in terms of design can be seen in the remote controls, which have changed their appearance.
Compatibility
Regarding the compatibility of the video and audio the differences are also quite marked while:

- Apple TV 4K connects with: SDR H.264/HEVC video up to 2160p, HEVC Dolby Vision, H.264, MPEG-4 Video stereo sound, HEIF, JPEG, GIF and TIFF.
- Apple TV HD connects with: SDR/HEVC up to 1080p, H.264 Video, H.264 Basic Profile Level 3.0 or lower, MPEG-4 Video up to 2.5 Mb/s with stereo sound, HEIF, JPEG, GIF, and TIFF.
- As regards the compatibility with televisionsthe list can be consulted through the Apple web portal.