Yamaha RX-V675 vs Onkyo TX-SR494 – that is a question.
AV receivers under review have the same number of channels. In terms of power, there are differences, the RX-V675 has such a ratio W/Ohm - 90/8, 150/4, while the TX-SR494 has a power of 135/6. The value of total harmonic distortion is also different, and for the RX-V675 it is 0.09%, but for the TX-SR494 it is 0.08%.
The manufacturer installed different DACs, the RX-V675 received the model Burr-Brown 192 KHz/24-bit, but the TX-SR494 is equipped with AKM 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Yamaha RX-V675 and Onkyo TX-SR494 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless connection to the Internet via WIFI can not be performed on these receivers. Each of the receivers has a Bluetooth connector. The RX-V675 has access to the Spotify service. 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 RX-V675 and the TX-SR494. Video scaling is only possible with the RX-V675. Operation with the Dolby Vision is only possible with the RX-V675.
The number of HDMI inputs/outputs varies depending on the receiver, the RX-V675 has 6/1, and the TX-SR494 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V675 and the TX-SR494. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V675 and TX-SR494 support the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player.
Ability to create 2 Multi zones inherent in both AV receivers. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in RX-V675. The Onkyo TX-SR494 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the TX-SR494. Only in the TX-SR494 realized a DTS:X surround technology.