The Yamaha RX-V671 vs Marantz NR1504 comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Yamaha RX-V671 has 7.1 versus 5.1 for Marantz NR1504. Regarding power, then RX-V671 has such a W/Ohm ratio - 90/8, 150/4 when NR1504 has a power of 50/8, 60/6. The THD is 0.09% for the RX-V671 but 0.08% for the NR1504.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 192 KHz/24-bit for RX-V671 and 192 KHz/24-bit for the NR1504. Only the RX-V671 supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Only the NR1504 supports Spotify. The RX-V671 can work with the audio stream from Napster, and the NR1504 can receive a content from Pandora, SiriusXM.
HDR is not available on each model. HDMI signal transmission in standby mode is implemented in each of the devices. The RX-V671 can scale the input HDMI signal, unlike the NR1504. The HDR standard - Dolby Vision is not supported by these receivers.
Each receiver has 6/1 HDMI inputs/outputs. 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 RX-V671 has a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is not present in each of the AV receivers. The setup assistant will help you configure Marantz NR1504.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.