It’s strongly recommended to compare different receivers if you want to choose the best one: Yamaha RX-V583 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-V583 has such a ratio W/Ohm - 80/8, 145/6, 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-V583 and Yamaha RX-V481BL can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet access via WIFI is possible on both units. 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-V583 works with Deezer, TIDAL, Pandora, but the Yamaha RX-V481BL works with Pandora, Qobuz, JUKE. 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-V583 and the RX-V481BL. Video scaling is only possible with the RX-V583. Operation with the Dolby Vision is only possible with the RX-V583.
The number of HDMI inputs/outputs is the same - 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V583 and the RX-V481BL. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The RX-V583 has support for the standard HDCP 2.3, compared to the RX-V481BL, which supports the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player. There is an ECO mode in either AV receiver. The Yamaha RX-V583 and the Yamaha RX-V481BL can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the RX-V583. Only in the RX-V583 realized a DTS:X surround technology.