Denon AVR-S640H vs Denon AVR-S740H

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To get informed with the specs of the receivers, we suggest you read the Denon AVR-S640H and Denon AVR-S740H review. According to the results of our review, Denon AVR-S640H received 6.2 points out of 10 possible, and Denon AVR-S740H was rated 7.1 points. Both AV receivers were introduced in 2018. This review shows us that the AVR-S740H is a better choice as a home AV receiver than the AVR-S640H.

Main advantages Denon AVR-S640H over Denon AVR-S740H

Main advantages Denon AVR-S740H over Denon AVR-S640H

Amplifiers

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

The number of channels is equal to the number of possible connected speakers. The Denon AVR-S640H supports 5.2-channels sound, but Denon AVR-S740H supports a 7.2-channels configuration.

RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. In terms of RMS power, the models have the same characteristics - 75/8, 100/6/8 W/Ohm.

Audio features

The score for audio features is 6 of 10 for both receivers.

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 equal and was rated 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, both receivers got 6 points on our 10-point scale.

Denon AVR-S640H is equipped with 5/1 HDMI inputs and outputs, and Denon AVR-S740H has 6/1 HDMI inputs and outputs.

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 rivals in our comparison were rated 6 out of 10.

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

Denon AVR-S640H got 5 points for the multichannel surround sound and Denon AVR-S740H got 7.

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. Denon AVR-S740H 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 on the AVR-S740H.