It’s strongly recommended to compare different receivers if you want to choose the best one: Yamaha RX-V675 vs Yamaha RX-V481BL.
The number of channels for receivers is different - 7.2 versus 5.1, respectively, for devices. In terms of power, there are differences, the RX-V675 has such a ratio W/Ohm - 90/8, 150/4, while the RX-V481BL has a power of 80/6. A common feature for devices is the same total harmonic distortion - 0.09%.
Competitive models use the same DAC. Each of the compared opponents supports Bi-amping. Both Yamaha RX-V675 and Yamaha RX-V481BL can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with RX-V481BL. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Yamaha RX-V675 works with Napster, but the Yamaha RX-V481BL works with Pandora, Qobuz, JUKE.
Support for the HDR function can only boast of the RX-V481BL. 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 RX-V481BL. 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 RX-V481BL has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V675 and the RX-V481BL. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V675 and RX-V481BL support the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in either AV receiver. The Yamaha RX-V481BL can be properly configured using the setup assistant.
Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.