An affordable AV receiver is always a good option to consider, so Yamaha RX-V377 vs Denon AVR-S650H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Yamaha RX-V377 has 5.1 versus 5.2 for Denon AVR-S650H. Regarding power, then RX-V377 has such a W/Ohm ratio - 100/8, 135/6 when AVR-S650H has a power of 75/8, 100/6. The THD is 0.09% for the RX-V377 but 0.08% for the AVR-S650H.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 192 KHz/24-bit for RX-V377 and AKM 192 KHz/32-bit for the AVR-S650H. None of the models support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVR-S650H can connect to the Internet via WI-FI. Only the AVR-S650H has Bluetooth support. Only the AVR-S650H supports Spotify. Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. Both competitors are not able to scale the HDMI signal. Dolby Vision technology found support only on the AVR-S650H.
The Yamaha RX-V377 has 4/1 HDMI inputs/outputs versus 5/1 HDMI connectors of the Denon AVR-S650H. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the AVR-S650H. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The RX-V377 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the AVR-S650H. The AVR-S650H has a built-in phono stage for connecting a vinyl player. It is also worth noting that the ECO mode is presented in each of the receivers. Both RX-V377 and AVR-S650H can be configured using the Setup assistant.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.