The Marantz SR7013 is a 9.2 channel model, which is capable of delivering 125 W/channel at 8 Ohm impedance and the differences with another model within this Marantz SR7013 vs Denon AVR-X4500H comparison are only in the impedance, which is 6 Ohms for the AVR-X4500H. The unit combines the latest technologies for video playback, with full 4K compatibility and 3D audio decoding for all formats including Auro 3D, and elaborate and accurate settings for 3D surround sound movies. However, it supports 11.2-channel processing, which means that by adding an external stereo amplifier, a full 11.2 configuration is possible.
The Denon AVR-X4500H is a 9-channel model, capable of delivering up to 125 W for a channel. The amplifier supports the latest multi-channel audio formats, such as Dolby Digital Plus Atmos, Dolby Atmos, DTS: X or Auro 3D, but compared versus Marantz SR7013, it has fewer video decoders, such as the absence of Dolby TrueHD. The AVR-X4400H stands out for its compatibility with Apple AirPlay 2 multiroom technology, Amazon Alexa voice control. Fine-tuning of the receiver can be done using the Audyssey MultEQ XT32 automatic calibration system with support for the separate Audyssey LFC DSP adjustment function.
The Marantz SR7013 is better receiver in this comparison. Check Marantz SR7013 price