Pioneer VSX-933 vs Onkyo TX-NR646

Pioneer VSX-933
Pioneer VSX-933 review

Nov 16, 2018

Pioneer VSX-933 is able to cope with pressure because even after a long working day, the device stays barely warm. It performs all the popular audio formats and can produce an amazing high-quality pi...

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Onkyo TX-NR646
Onkyo TX-NR646 review

May 20, 2019

Amazing Dolby Atmos sound for a great price – that’s what Onkyo TX-NR646 is about. 4 Built-in decoders, recognition of 7 audio formats and ability to control the receiver remotely makes O...

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Votes 2 2
Rating 4 4

Common

Product

Pioneer VSX-933
Onkyo TX-NR646

Model

VSX-933
TX-NR646

Brand

Pioneer
Onkyo

Rating

4.8 of 5
3.7 of 5

Reviews

14
397

Functions

Digital player

Internet radio

Network audio player

Amplifier class

D

Audio formats

AAC

AIFF

Apple lossless

DSD

FLAC

MP3

WAV

WMA

Built-in decoders

DTS neural:X

DTS-HD master audio

DTS:X

Dolby atmos

Dolby digital plus

Dolby surround

Dolby true HD

Power device

Operational power consumption

480 W
360 W

Standby power consumption

0.1 W
0.1 W

Built-in display

Type

fluorescent
fluorescent

Colour

black
black

Amplifier

Total output power

560 W
580 W

Output power per channel

80 W
100 W, 170 W

Output impedance per channel

6 Ohm, 8 Ohm
6 Ohm, 8 Ohm

Frequency response

20 Hz-20 kHz
20 Hz-20 kHz

Total harmonic distortion

0.08 %
0.08 %

Number of channels

7
7

Signal-to-noise ratio

100 dB
106 dB

Connectivity interfaces

Bluetooth

Wi-Fi

IEEE 802.3

IEEE 802.3u

Signal processing

HDMI pass-through

up to 4K
Up to 4K

Video conversion/scaling

HDMI to HDMI scaling, analog to HDMI up conversion
Analog to HDMI up conversion

3D pass-through

has not

Upscaling via HDMI

up to 4K
has not

Connector type

AV inputs

4
2

Optical digital inputs

1
2

Coaxial digital inputs

1
1

HDMI inputs

4
8

HDMI outputs

1
2

Optical digital outputs

has not
has not

Coaxial digital outputs

has not
has not

Subwoofer outputs

2
2

USB

2
1

Phones

1
1

Media content source

Bluetooth

Network

USB-host

Radio

Tuner type

digital
digital

Tuner bands

AM/FM
AM/FM

Preset station qty

30
40

Additional features

A-B speaker switch

AIR Studios monitor certification

Three-zone capability

X.v.Color

Advanced sound retriever (ASR) technology

Apple air-play support

Audio return channel (ARC)

Bi-amplifying

Deep color

MCACC Pro

Auto power off

Pure direct mode

Dual-zone capability

Smartphone remote control

Sound features

Sound output mode

Surround Sound
Surround Sound

Audio D/A converter

32bit / 384kHz
32bit / 384kHz

Surround sound effects

Theater-Dimensional Virtual Surround
Theater-Dimensional Virtual Surround

Surround system class

7.2 channel
7.2 channel

Digital sound processor (DSP)

DSP preset qty

9
6

Digital content protection

HDCP 2.2
has not

Clock

Built-in clock

Sleep timer

has not

Dimensions

Shipping size

14.6 x 17.1 x 6.8 inches
12.9 x 17.1 x 6.8 inches

Product weight

21 pounds
20.7 pounds

AV receivers HelpToChoose comparison rating

  • better
  • worse
  • 28.6
  • 21.2
  • 28.6Pioneer VSX-933
  • 21.2Onkyo TX-NR646

The Pioneer VSX-933 is better receiver in this comparison. Check Pioneer VSX-933 price

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