The Denon AVR-S640H vs Marantz NR1200 comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
The number of channels for receivers is different - 5.2 versus 2.0, respectively, for devices. In terms of power, the receivers have the same performance - 75/8, 100/6. A common feature for devices is the same total harmonic distortion - 0.08%.
Competitive models use the same DAC. None of the compared opponents supports Bi-amping. Both Denon AVR-S640H and Marantz NR1200 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay, AirPlay 2. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Denon AVR-S640H works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, but the Marantz NR1200 works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio. 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 AVR-S640H and the NR1200. None of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the AVR-S640H.
The number of HDMI inputs/outputs is the same - 5/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the AVR-S640H and the NR1200. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The AVR-S640H has support for the standard HDCP 2.2, compared to the NR1200, which supports the standard HDCP 2.3. Like most receivers, our models have a built-in phono stage for connecting a vinyl player. Voice control is performed using Amazon Alexa, Google Assistant, Siri, Josh.AI in both models. There is an ECO mode in either AV receiver. The Denon AVR-S640H and the Marantz NR1200 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.