It makes sense comparing Yamaha RX-V483BL vs Marantz NR1509 because they both are able to give some premium features.
A significant difference between the receivers in the number of channels, Yamaha RX-V483BL has 5.1 versus 5.2 for Marantz NR1509. Regarding power, then RX-V483BL has such a W/Ohm ratio - 80/6 when NR1509 has a power of 50/8, 60/6. The THD is 0.09% for the RX-V483BL but 0.08% for the NR1509.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 192 KHz/24-bit for RX-V483BL and 192 KHz/24-bit for the NR1509. Only the RX-V483BL supports Bi-amping feature. The Marantz NR1509 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. The Yamaha RX-V483BL has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The RX-V483BL can work with the audio stream from Deezer, TIDAL, JUKE, Qobuz, and the NR1509 can receive a content from Deezer, Pandora, TuneIn Radio. 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 RX-V483BL can scale the input HDMI signal, unlike the NR1509. The HDR standard - Dolby Vision is supported by these receivers.
The Yamaha RX-V483BL has 4/1 HDMI inputs/outputs versus 7/1 HDMI connectors of the Marantz NR1509. 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 NR1509 has a built-in phono stage for connecting a vinyl player. It is also worth noting that the ECO mode is presented in each of the receivers. The setup assistant will help you configure Marantz NR1509.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.