Denon AVR-S640H vs Onkyo TX-NR5100

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Votes 1 1
Rating 5 5

AVR-S640H vs TX-NR5100 comparison chart

Denon AVR-S640H vs Onkyo TX-NR5100 review

Denon AVR-S640H
vs
Onkyo TX-NR5100

Along with the growing popularity of custom home theater builds, the comparison of Denon AVR-S640H and Onkyo TX-NR5100 takes place. According to the results of our review, Denon AVR-S640H received 6.2 points out of 10 possible, and Onkyo TX-NR5100 was rated 7.3 points. The release date of AVR-S640H is 2018, and TX-NR5100 is 2021. Based on the data on the characteristics and features of both models, we can conclude that TX-NR5100 has better performance than AVR-S640H.

Main advantages Denon AVR-S640H over Onkyo TX-NR5100

  • We do not know advantages

Main advantages Onkyo TX-NR5100 over Denon AVR-S640H

  • More channels, namely 7, makes this receiver more profitable than its 5-channel competitor.
  • 80/8 W/Ohm RMS makes it more productive compared to 75/8 W/Ohm RMS in another receiver in the review.
  • Include HDMI eARC function.
  • 8K/60Hz signal pass-through is available.
  • Surround sound ensures the availability of Dolby Atmos.
  • Object-oriented sound ensures the availability of DTS:X.

Amplifiers

For the built-in amplifier, the devices received different marks - 6 and 7, respectively, on a 10-point scale.

AVR-S640H
6
TX-NR5100
7

The number of channels is equal to the number of possible connected speakers. The Denon AVR-S640H supports 5.2-channels sound, but Onkyo TX-NR5100 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. The differences between the models in terms of RMS power are significant - for the TX-NR5100 this value is 80/8 W/Ohm, and for the AVR-S640H it is 75/8 W/Ohm.

AVR-S640H TX-NR5100
Channels5.27.2
Stereo power (RMS), W/Ohm75/8, 100/680/8, 165/6
Output impedance, Ohm8, 68, 6
Frequency response10Hz-100KHz10Hz-100KHz
THD in stereo, %0.080.08

Audio features

After reviewing the audio features of each model, we can rate the AVR-S640H 6 out of 10, and the TX-NR5100 - 9.

AVR-S640H
6
TX-NR5100
9

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 on the TX-NR5100.

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.

Speaker A/B switching allows you to change between the main and sub speaker set. Onkyo TX-NR5100 can work with the main and additional set of speakers - and switch between them.

AVR-S640H TX-NR5100
Digital to analog converter (DAC)192 KHz/32-bit384 KHz/32-bit
Bi-amping
Pure direct (straight)
Auto speaker calibrationAudyssey MultEQAccuEQ
Speaker A/B switching
Other audio featuresAudyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Restorer, Hi-Res audioAdvanced Music Optimizer, Hi-Res audio, Dynamic Audio Amplification, CinemaFILTER

Connectivity

The connectivity of competitors in our comparison is markedly different, Denon AVR-S640H scored 7, and Onkyo TX-NR5100 scored 9 out of 10.

AVR-S640H
7
TX-NR5100
9

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

AVR-S640H TX-NR5100
Wi-Fi2.4/5GHz
USB1 (USB 2.0)1 (USB 2.0)
Bluetooth
Ethernet (RJ45)11
DLNA
MHL

Streaming services

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

AVR-S640H TX-NR5100
Apple Music (AirPlay)AirPlay, AirPlay 2AirPlay, AirPlay 2
Amazon Music
Spotify
Other streaming servicesDeezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound CloudDeezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud

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.

AVR-S640H
6
TX-NR5100
6

Denon AVR-S640H is equipped with 5/1 HDMI inputs and outputs, and Onkyo TX-NR5100 has 4/2 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 on Onkyo TX-NR5100.

The HDCP encryption protocol is now mandatory for most media devices. This security technology encrypts digital signals from one product to another. HDCP content-encryption protocol is present on Denon AVR-S640H in the HDCP 2.2 version, and Onkyo TX-NR5100 has the HDCP 2.3 version.

AVR-S640H TX-NR5100
HDMI input/output5/14/2
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
HDMI CEC
Digital content protection (HDCP)HDCP 2.2HDCP 2.3
Subwoofer output (LFE)22
Headphone output1 x 6.31 x 6.3
Optical digital input21
Coaxial digital input11
Composite input20
Component input/output0/00
Phono (MM) input
Front panel connectorsUSB, phones, setup micphones, setup mic, AUX
Multi channel preamp output

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 AVR-S640H were rated 6 out of 10 against the 8 for the TX-NR5100.

AVR-S640H
6
TX-NR5100
8

With the 4K pass-through feature, the AV receiver sends "native" 4K signals to a 4K TV from a video source without any processing. The AVR-S640H works with the 4K/60Hz video, and the TX-NR5100 has the 4K/120Hz.

The AV receiver passes "native" 8K signals from a video source to 8K TV without any encoding, with the 8k pass-through features. The 8K path-through is available on Onkyo TX-NR5100.

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 with Onkyo TX-NR5100.

AVR-S640H TX-NR5100
HDR (High Dynamic Range)HDR10+
4K signal pass-through4K/60Hz4K/120Hz
8K signal pass-through8K/60Hz
HDMI signal pass-through
3D signal pass-through
HDMI pass-through in standby mode
Video conversion
Analog to HDMI scaling
HDMI to HDMI scaling
Dolby Vision
Other video featuresBT.2020, HLGDeepColor, x.v.Color, HLG, BT.2020, LipSyn, Deep Color

Additional features

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

AVR-S640H
10
TX-NR5100
10

AVR-S640H TX-NR5100
Voice controlAmazon Alexa, Google Assistant, Siri, Josh.AIAmazon Alexa, Google Assistant, Siri, Josh.AI
App controliPhone, iPad, iPod, AndroidiPhone, iPad, iPod, Android
Displaycolour OSDcolour OSD
TunerAM, FMAM, FM
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware updatenetwork, USBnetwork, USB
Other additional featuresIP Control, Web ControlWeb Control, App Control

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.

AVR-S640H TX-NR5100
Multi-room zoneshas nothas not
Zone audio outputhas nothas not
Zone HDMI outputhas nothas not
Multi-room controlhas notFlareConnect
RS-23200
Remote control input/output (IR)0/00
DC trigger output (12V)00

Multichannel surround

Denon AVR-S640H got 5 points for the multichannel surround sound and Onkyo TX-NR5100 got 7.

AVR-S640H
5
TX-NR5100
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. Onkyo TX-NR5100 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 TX-NR5100.

AVR-S640H TX-NR5100
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)Dolby Digital Plus, Dolby Pro LogicDolby Digital Plus, Dolby Atmos Height Virtualization
DTS:X
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other)DTS 96/24, DTS-HD, DTS-EXPRESS, DTS-Surround, DTS Neo:6DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS
Auro-3D
IMAX Enhanced
Multichannel stereo
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