Redesigned remote, adding support for both aptX and NFC, one or two less HDMI inputs but adds a third HDMI output to support the second zone, and improved second zone support (any source not just analog). The receiver has a nice feature set (NFC, WiFi, Bluetooth w/Apt-x, colorful OSD) for the price. The 1050 was very easy to set up in a 5.1 mode with outdoor zone 2 speakers. The receiver with the main goal of setting a system to listen to FLAC audio files hosted on PC. The FLAC files are visible to any device on local the network through the popular DLNA standard. Bluetooth function works great and is easy to pair with cell phone/iPod.
It may seem that the Sony STRDN1080 vs Sony STR-DN1050 comparison is not that important, but the difference between the models is very huge. However, the receiver comparison between Sony STR-DN1050 vs STRDN1080 requires us to move to the next model.
For an existing 7.1 system, if you want to add Atmos height speakers, you either need to eliminate your surround back speakers or get a receiver capable of 9.1 or more.
Outputs sound from all connected speakers. When 2-channel or monaural audio signals are input, the receiver outputs sound from all speakers without adding any surround effect. The smartphone app works well. The on-screen user interface is nice and attractive.
Sony STRDN1080 versus STR-DN1050 is quite challenging to compare and it is difficult to understand what model you should choose. The only advice is to understand what you expect from a device.
If you need a powerful device that is able to play the DSD audio format, and you are not going to connect many devices that use the AV interface, then Sony STRDN1080 is right what you need. If you need something simpler - then STR-DN1050 will be right for you. I hope this receiver comparison will help you a lot.
Sony STR-DN1050 overview
Sony STRDN1080 overview
The best receiver is Sony STR-DN1050. Check Sony STR-DN1050 price on Amazon