An affordable AV receiver is always a good option to consider, so Onkyo PR-RZ5100 vs Denon AVR-S740H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Onkyo PR-RZ5100 has 11.2 versus 7.2 for Denon AVR-S740H. The THD is 0.06% for the PR-RZ5100 but 0.08% for the AVR-S740H.
Characteristics of digital to analog converter (DAC) are different, AKM 384 KHz/32-bit for PR-RZ5100 and 192 KHz/32-bit for the AVR-S740H. Only the PR-RZ5100 supports Bi-amping feature. The Denon AVR-S740H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Both models have the ability to connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Onkyo PR-RZ5100 has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The PR-RZ5100 can work with the audio stream from Deezer, TIDAL, TuneIn Radio, and the AVR-S740H can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud. 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. The PR-RZ5100 can scale the input HDMI signal, unlike the AVR-S740H. The HDR standard - Dolby Vision is supported by these receivers.
The Onkyo PR-RZ5100 has 8/2 HDMI inputs/outputs versus 6/1 HDMI connectors of the Denon AVR-S740H. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. These compared receivers have a built-in phono stage for connecting a vinyl player.
The PR-RZ5100 supports 3 Multi-room zones, versus 2 for the AVR-S740H. An ECO mode is only available for the AVR-S740H. Both PR-RZ5100 and AVR-S740H can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.