Denon AVR-S640H vs Onkyo TX-SR343 review

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AV receivers comparison chart

Denon AVR-S640H vs Onkyo TX-SR343 review

Denon AVR-S640H
vs
Onkyo TX-SR343

The Denon AVR-S640H vs Onkyo TX-SR343 comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.

Amplifier

The number of channels for receivers is different - 5.2 versus 5.1, respectively, for devices. In terms of power, there are differences, the AVR-S640H has such a ratio W/Ohm - 75/8, 100/6, while the TX-SR343 has a power of 100/6. A common feature for devices is the same total harmonic distortion - 0.08%.

Audio features

The manufacturer installed different DACs, the AVR-S640H received the model 192 KHz/32-bit, but the TX-SR343 is equipped with TI Burr-Brown 192 KHz/24-bit. None of the compared opponents supports Bi-amping. The model AVR-S640H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

Wireless Internet connection via WIFI is only possible with AVR-S640H. Each of the receivers has a Bluetooth connector. The AVR-S640H has access to the Spotify service.

Video features

Support for the HDR function can only boast of the AVR-S640H. 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 TX-SR343. 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.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the AVR-S640H has 5/1, and the TX-SR343 has 4/1.Denon AVR-S640H connectionsOnkyo TX-SR343 connections HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the AVR-S640H and the TX-SR343. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AVR-S640H and TX-SR343 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Denon AVR-S640H. There is an ECO mode in AVR-S640H. The Denon AVR-S640H can be properly configured using the setup assistant.

Multichannel surround

Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.

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General

Item

Denon AVR-S640H
Onkyo TX-SR343

Model

AVR-S640H
TX-SR343

Brand

Denon
Onkyo

Reviews

200
0

Amplifier

Channels

5.2
5.1

Stereo power (RMS), W/Ohm

75/8, 100/6
100/6

Output impedance, Ohm

8, 6
6

Frequency response

10Hz-100KHz
10Hz-100KHz

THD in stereo, %

0.08
0.08

Audio features

Digital to analog converter (DAC)

192 KHz/32-bit
TI Burr-Brown 192 KHz/24-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

Audyssey MultEQ

Speaker A/B switching

Other audio features

Audyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Restorer, Hi-Res audio
Theater-Dimensional, CinemaFILTER

Connectivity

Wi-Fi

USB

1 (USB 2.0)
1 (USB 2.0)

Bluetooth

Ethernet (RJ45)

1

DLNA

MHL

Streaming services

Apple Music (AirPlay)

AirPlay, AirPlay 2

Amazon Music

Spotify

Other streaming services

Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud
has not

Extensive connection

HDMI input/output

5/1
4/1

HDMI ARC (Audio Return Channel)

HDMI eARC (Enhanced Audio Return Channel)

HDMI CEC

Digital content protection (HDCP)

HDCP 2.2
HDCP 2.2

Subwoofer output (LFE)

2
1

Headphone output

1 x 6.3
1 x 6.3

Optical digital input

2
2

Coaxial digital input

1
1

Composite input

2
3

Component input/output

0/0
2/0

Phono (MM) input

Front panel connectors

USB, phones, setup mic
phones, AUX

Multi channel preamp output

Video features

HDR (High Dynamic Range)

4K signal pass-through

4K/60Hz
4K/60Hz

8K signal pass-through

HDMI signal pass-through

3D signal pass-through

HDMI pass-through in standby mode

Video conversion

analog to HDMI

Analog to HDMI scaling

HDMI to HDMI scaling

Dolby Vision

Other video features

BT.2020, HLG
DeepColor, x.v.Color

Additional features

Voice control

Amazon Alexa, Google Assistant, Siri, Josh.AI

App control

iPhone, iPad, iPod, Android
iPhone, iPad, iPod

Display

colour OSD
colour OSD

Tuner

AM, FM
AM, FM

Sleep timer

Auto power off

ECO mode

Graphical user interface (GUI)

Setup assistant

Firmware update

network, USB
USB

Other additional features

IP Control, Web Control
has not

Multi-room

Multi-room zones

has not
has not

Zone audio output

has not
has not

Zone HDMI output

has not
has not

Multi-room control

has not
has not

RS-232

0
0

Remote control input/output (IR)

0/0
1/0

DC trigger output (12V)

0
0

Multichannel surround

Dolby Atmos

Dolby TrueHD

Dolby Surround

Dolby (other)

Dolby Digital Plus, Dolby Pro Logic
Dolby Digital Plus

DTS:X

DTS HD Master

DTS Virtual:X

DTS Neural:X

DTS (other)

DTS 96/24, DTS-HD, DTS-EXPRESS, DTS-Surround, DTS Neo:6
DTS Neo:6 Cinema, DTS 96/24, DTS-EXPRESS

Auro-3D

IMAX Enhanced

Multichannel stereo

Audio file formats

MP3

WMA

AAC

WAV

FLAC

ALAC

Other audio file formats

has not
has not

Power

Operational power consumption, W

340
340

Standby consumption, W

0.1
0.3

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

43.5 x 15.9 x 33/17 x 6.1 x 13
53.7 x 26.5 x 41.6/ 20.8 x 10.2 x 16.1

Weight, kg/lbs

7.7/17.2
10.5/22

Other

Release year

2018
2015
Denon AVR-S640H
Onkyo TX-SR343
Denon AVR-S640H
Onkyo TX-SR343

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 6.2
  • 4.3
  • 6.2Denon AVR-S640H
  • 4.3Onkyo TX-SR343