Yamaha AVENTAGE RX-A1080 vs Denon AVR-S640H

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Let's make the Yamaha AVENTAGE RX-A1080 versus Denon AVR-S640H comparison. According to the results of our review, Yamaha AVENTAGE RX-A1080 received 8.3 points out of 10 possible, and Denon AVR-S640H was rated 6.2 points. Both AV receivers were introduced in 2018. After comparison, it will become clear that among these two devices, the AVENTAGE RX-A1080 is more suitable for the role of the heart of home theater system.

Main advantages Yamaha AVENTAGE RX-A1080 over Denon AVR-S640H

Main advantages Denon AVR-S640H over Yamaha AVENTAGE RX-A1080

Amplifiers

For the built-in amplifier, the devices received different marks - 8 and 6, respectively, on a 10-point scale.

The number of channels is equal to the number of possible connected speakers. The Yamaha AVENTAGE RX-A1080 supports 7.2-channels sound, but Denon AVR-S640H supports a 5.2-channels configuration.

RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. The differences between the models in terms of RMS power are significant - for the AVENTAGE RX-A1080 this value is 110/8 W/Ohm, and for the AVR-S640H it is 75/8 W/Ohm.

Audio features

After reviewing the audio features of each model, we can rate the AVENTAGE RX-A1080 9 out of 10, and the AVR-S640H - 6.

Bi-amping is the amplification of one speaker with two amplifiers. This amplification method has a positive effect on sound quality. Bi-amping is possible only on the AVENTAGE RX-A1080.

Most receivers now come with a microphone included. It is with the help of this microphone that the auto-calibration system functions, which adjusts the sound of the receiver to the room.

Connectivity

The connectivity of competitors in our comparison is markedly different, Yamaha AVENTAGE RX-A1080 scored 8, and Denon AVR-S640H scored 7 out of 10.

Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.

Streaming services

Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.

Extensive connections

The presence of many connectors makes the receiver more versatile. But there are also narrowly targeted models, the number of connectors which are limited to a certain area of use. And when choosing their own receiver, users need to consider exactly your goals for using the receiver. For extensive connection, Yamaha AVENTAGE RX-A1080 got 9 points, but Denon AVR-S640H received 6 points.

Yamaha AVENTAGE RX-A1080 is equipped with 8/3 HDMI inputs and outputs, and Denon AVR-S640H has 5/1 HDMI inputs and outputs.

HDMI eARC is the next step in the development of audio return channel technology, which works in conjunction with HDMI 2.1. Using eARC provides the highest sound quality for home audio systems. HDMI eARC is available only on Yamaha AVENTAGE RX-A1080.

Video features

The AV receiver is the heart of the home theater. And in this case, support for all current video formats ensures the best user experience, so it is very important to consider this when choosing a device. Video features of the AVENTAGE RX-A1080 were rated 8 out of 10 against the 6 for the AVR-S640H.

Most of the AV receivers have a video scaling function, it is the process of reformatting the video signal to a higher resolution without losing the quality of the image. Upscaling the video signal resolution is possible only with Yamaha AVENTAGE RX-A1080.

Additional features

In terms of evaluating additional features, both receivers received a score of 10 out of 10.

Multi-room

As the center of a home media system, each multichannel receiver has an additional set of terminals for connecting the second set of speakers to create additional audio space in Zone 2 or even Zone 3 where audio can have the separate source.

Multichannel surround

Yamaha AVENTAGE RX-A1080 got 7 points for the multichannel surround sound and Denon AVR-S640H got 5.

Dolby Atmos' particularity is that this is the object-oriented sound format, that is, each audio signal object is independently sounded and connected to its spatial position. Yamaha AVENTAGE RX-A1080 can create 3D sound due to the Dolby Atmos support.

DTS:X is an algorithm used by the processor to create sound scenes, where sounds connected directly to objects rather than channels, and to determine the optimum sound output distribution in space. Surround sound with DTS:X is available only on the AVENTAGE RX-A1080.