Denon AVR-S660H vs. Onkyo TX-NR797

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Votes 1 1
Rating 5 5

AVR-S660H vs TX-NR797 comparison chart

Overall
Denon AVR-S660H
6.7
Onkyo TX-NR797
8.5
Amplifier
6
9
Audio features
6
9
Connectivity
7
8
Streaming services
9
9
Extensive connection
7
8
Multi-room
0
9
Additional features
10
9
Video features
8
8
Multichannel surround
8
8

AVR-S660H vs TX-NR797 comparison

Denon AVR-S660H
Denon AVR-S660H
Onkyo TX-NR797
Onkyo TX-NR797

Amplifier

AVR-S660H TX-NR797
Channels 5.2 9.2
Stereo power (RMS), W/Ohm 75/8, 100/6 100/8, 220/6
Output impedance, Ohm 8, 6 8, 6
Frequency response 10Hz-100KHz 10Hz-100KHz
THD in stereo, % 0.08 0.08

Audio features

AVR-S660H TX-NR797
Digital to analog converter (DAC) 192 KHz/32-bit AK4458 384 KHz/32-bit
Bi-amping ✖ ✔
Pure direct (straight) ✖ ✔
Auto speaker calibration Audyssey MultEQ AccuEQ
Speaker A/B switching ✖ ✖
Other audio features Audyssey Dynamic Volume, Audyssey Dynamic EQ, Hi-Res audio Advanced Music Optimizer, Theater-Dimensional, Hi-Res audio, Dynamic Audio Amplification

Connectivity

AVR-S660H TX-NR797
Wi-Fi 2.4/5GHz ✔
USB 1 (USB 2.0) 1 (USB 2.0)
Bluetooth ✔ ✔
Ethernet (RJ45) 1 1
DLNA ✖ ✖
MHL ✖ ✖

Streaming services

AVR-S660H TX-NR797
Apple Music (AirPlay) AirPlay, AirPlay 2 AirPlay, AirPlay 2
Amazon Music ✔ ✔
Spotify ✔ ✔
Other streaming services Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud Deezer, TIDAL, Pandora, TuneIn Radio

Extensive connection

AVR-S660H TX-NR797
HDMI input/output 6/1 7/2
HDMI ARC (Audio Return Channel) ✔ ✔
HDMI eARC (Enhanced Audio Return Channel) ✔ ✖
HDMI CEC ✔ ✔
Digital content protection (HDCP) HDCP 2.3 HDCP 2.2
Subwoofer output (LFE) 2 2
Headphone output 1 x 6.3 1 x 6.3
Optical digital input 2 1
Coaxial digital input 1 1
Composite input 2 2
Component input/output 0 1/0
Phono (MM) input ✔ ✔
Front panel connectors USB, phones, setup mic HDMI, phones, setup mic, AUX
Multi channel preamp output ✔ ✔

Video features

AVR-S660H TX-NR797
HDR (High Dynamic Range) HDR10+ HDR10
4K signal pass-through 4K/120Hz 4K/60Hz
8K signal pass-through 8K/60Hz ✖
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 Dynamic HDR, HLG, BT.2020 DeepColor, x.v.Color, HLG, BT.2020

Additional features

AVR-S660H TX-NR797
Voice control Amazon Alexa, Google Assistant, Siri, Josh.AI Google Assistant
App control iPhone, iPad, iPod, Android iPhone, iPad, iPod, Android
Display colour OSD fluorescent
Tuner AM, FM AM, FM
Sleep timer ✔ ✔
Auto power off ✔ ✔
ECO mode ✔ ✖
Graphical user interface (GUI) ✔ ✔
Setup assistant ✔ ✔
Firmware update network, USB network, USB
Other additional features Web Control, App Control IP Control

Multi-room

AVR-S660H TX-NR797
Multi-room zones has not 3
Zone audio output has not speaker, preout
Zone HDMI output has not ✔
Multi-room control HEOS App, Denon 2016 AVR Remote FlareConnect
RS-232 0 1
Remote control input/output (IR) 0/0 1/0
DC trigger output (12V) 0 1

Multichannel surround

AVR-S660H TX-NR797
Dolby Atmos ✖ ✔
Dolby TrueHD ✔ ✔
Dolby Surround ✖ ✔
Dolby (other) Dolby ProLogic Il Dolby Digital Plus, Dolby Atmos Height Virtualization
DTS:X ✖ ✔
DTS HD Master ✔ ✔
DTS Virtual:X ✖ ✖
DTS Neural:X ✖ ✔
DTS (other) DTS Neo:6 DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS
Auro-3D ✖ ✖
IMAX Enhanced ✖ ✔
Multichannel stereo ✔ ✖

Audio file formats

AVR-S660H TX-NR797
MP3 ✔ ✔
WMA ✔ ✔
AAC ✔ ✔
WAV ✔ ✔
FLAC ✔ ✔
ALAC ✔ ✔
Other audio file formats AIFF, DSD AIFF

Power

AVR-S660H TX-NR797
Operational power consumption, W 340 750
Standby consumption, W 0.1 0.15
Removable power cord ✖ ✔

Dimensions

AVR-S660H TX-NR797
Size W x H x D, cm/inches 43.4 x 33.9 x 21.5/17 x 13.3 x 8.4 43.5 x 17.3 x 37.9/17 x 6.8 x 14.5
Weight, kg/lbs 7.8/17 13.5/29.8

Other

AVR-S660H TX-NR797
Release year 2021 2019
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