An affordable AV receiver is always a good option to consider, so Onkyo TX-SR393 vs Denon AVR-S740H comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Onkyo TX-SR393 has 5.2 versus 7.2 for Denon AVR-S740H. Regarding power, then TX-SR393 has such a W/Ohm ratio - 80/8, 155/6 when AVR-S740H has a power of 75/8, 110/6. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, AKM 384 KHz/32-bit for TX-SR393 and 192 KHz/32-bit for the AVR-S740H. None of the models support Bi-amping. The Denon AVR-S740H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVR-S740H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the AVR-S740H 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. The TX-SR393 can scale the input HDMI signal, unlike the AVR-S740H. The HDR standard - Dolby Vision is supported by these receivers.
The Onkyo TX-SR393 has 4/1 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. The AVR-S740H has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. An ECO mode is only available for the AVR-S740H. The setup assistant will help you configure Denon AVR-S740H.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.