The Onkyo TX-SR383 vs Denon AVR-X4700H comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
The number of channels for receivers is different - 7.2 versus 9.2, respectively, for devices. In terms of power, there are differences, the TX-SR383 has such a ratio W/Ohm - 100/8, 135/6, while the AVR-X4700H has a power of 125/8, 165/6. The value of total harmonic distortion is also different, and for the TX-SR383 it is 0.09%, but for the AVR-X4700H it is 0.05%. The Bi-amping function is implemented only in the Denon AVR-X4700H. The model AVR-X4700H can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The AVR-X4700H has access to the Spotify service. Signaling over HDMI in standby mode can provide the TX-SR383 and the AVR-X4700H. Video scaling is only possible with the AVR-X4700H. Operation with the Dolby Vision is only possible with the AVR-X4700H.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-SR383 has 4/1, and the AVR-X4700H has 8/3. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVR-X4700H. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The TX-SR383 has support for the standard HDCP 2.2, compared to the AVR-X4700H, which supports the standard HDCP 2.3. In the presence of a built-in phono stage for connecting a vinyl player only at Denon AVR-X4700H.
Unlike the TX-SR383 where 2 Multi zones is provided, the AVR-X4700H works with 3 Multi zones. There is an ECO mode in AVR-X4700H. The Denon AVR-X4700H can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the AVR-X4700H. Only in the AVR-X4700H realized a DTS:X surround technology.