Denon AVR-S650H vs Sony STR-DN1050 – that is a question.
The number of channels for receivers is different - 5.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the AVR-S650H has such a ratio W/Ohm - 75/8, 100/6, while the STR-DN1050 has a power of 120/6. The value of total harmonic distortion is also different, and for the AVR-S650H it is 0.08%, but for the STR-DN1050 it is 0.09%.
The manufacturer installed different DACs, the AVR-S650H received the model AKM 192 KHz/32-bit, but the STR-DN1050 is equipped with 96 KHz/24-bit. The Bi-amping function is implemented only in the Sony STR-DN1050. Both Denon AVR-S650H and Sony STR-DN1050 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet access via WIFI is possible on both units. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay, AirPlay 2 versus AirPlay respectively. Access to the Spotify service is on each of the competitors.
The HDR10 function is present in each of the rivals. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the AVR-S650H and the STR-DN1050. Video scaling is only possible with the STR-DN1050. Operation with the Dolby Vision is only possible with the AVR-S650H.
The number of HDMI inputs/outputs varies depending on the receiver, the AVR-S650H has 5/1, and the STR-DN1050 has 6/3. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is supported by the AVR-S650H and the STR-DN1050. When comparing receivers, it becomes clear that only the Denon AVR-S650H has HDMI CEC. The AVR-S650H has support for the standard HDCP 2.3, compared to the STR-DN1050, which supports the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Denon AVR-S650H. For voice control in the AVR-S650H is used Amazon Alexa, Google Assistant, Siri, Josh.AI, but in the STR-DN1050 is used Google assistant. There is an ECO mode in AVR-S650H. The Denon AVR-S650H and the Sony STR-DN1050 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the STR-DN1050. Only in the STR-DN1050 realized a DTS:X surround technology.