It’s strongly recommended to compare different receivers if you want to choose the best one: Marantz NR1510 vs Yamaha RX-V481BL.
The number of channels for receivers is different - 5.2 versus 5.1, respectively, for devices. In terms of power, there are differences, the NR1510 has such a ratio W/Ohm - 50/8, 60/6, while the RX-V481BL has a power of 80/6. The value of total harmonic distortion is also different, and for the NR1510 it is 0.08%, but for the RX-V481BL it is 0.09%.
The manufacturer installed different DACs, the NR1510 received the model 192 KHz/32-bit, but the RX-V481BL is equipped with Burr-Brown 192 KHz/24-bit. The Bi-amping function is implemented only in the Yamaha RX-V481BL. Both Marantz NR1510 and Yamaha RX-V481BL can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay, AirPlay 2 versus AirPlay respectively. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Marantz NR1510 works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, 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 NR1510 and the RX-V481BL. None of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the NR1510.
The number of HDMI inputs/outputs varies depending on the receiver, the NR1510 has 8/1, and the RX-V481BL has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the NR1510. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The NR1510 has support for the standard HDCP 2.3, compared to the RX-V481BL, which supports the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Marantz NR1510. There is an ECO mode in either AV receiver. The Marantz NR1510 and 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.