Sony STR-DH790 vs Denon AVR-S640H review
The present review is aimed to compare two AV receivers - Sony STR-DH790 vs Denon AVR-S640H that are meant to satisfy the needs of cinema and music lovers.
Amplifier
A significant difference between the receivers in the number of channels, Sony STR-DH790 has 7.2 versus 5.2 for Denon AVR-S640H. Regarding power, then STR-DH790 has such a W/Ohm ratio - 90/6 when AVR-S640H has a power of 75/8, 100/6. The THD is 0.09% for the STR-DH790 but 0.08% for the AVR-S640H.
Audio features
Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for STR-DH790 and 192 KHz/32-bit for the AVR-S640H. Only the STR-DH790 supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Connectivity
Only the Denon AVR-S640H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the AVR-S640H supports Spotify. Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. Both competitors are not able to scale the HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
Extensive connections
The Sony STR-DH790 has 4/1 HDMI inputs/outputs versus 5/1 HDMI connectors of the Denon AVR-S640H.
The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the STR-DH790. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. The AVR-S640H has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the AVR-S640H. Both STR-DH790 and AVR-S640H can be configured using the Setup assistant.
Multichannel surround
Only the STR-DH790 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the STR-DH790.
General
Item
Model
Brand
Reviews
Amplifier
Channels
Stereo power (RMS), W/Ohm
Output impedance, Ohm
Frequency response
THD in stereo, %
Audio features
Digital to analog converter (DAC)
Bi-amping
Pure direct (straight)
Auto speaker calibration
Speaker A/B switching
Other audio features
Connectivity
Wi-Fi
USB
Bluetooth
Ethernet (RJ45)
DLNA
MHL
Streaming services
Apple Music (AirPlay)
Amazon Music
Spotify
Other streaming services
Extensive connection
HDMI input/output
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
HDMI CEC
Digital content protection (HDCP)
Subwoofer output (LFE)
Headphone output
Optical digital input
Coaxial digital input
Composite input
Component input/output
Phono (MM) input
Front panel connectors
Multi channel preamp output
Video features
HDR (High Dynamic Range)
4K signal pass-through
8K signal pass-through
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 features
Additional features
Voice control
App control
Display
Tuner
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware update
Other additional features
Multi-room
Multi-room zones
Zone audio output
Zone HDMI output
Multi-room control
RS-232
Remote control input/output (IR)
DC trigger output (12V)
Multichannel surround
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)
DTS:X
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other)
Auro-3D
IMAX Enhanced
Multichannel stereo
Audio file formats
MP3
WMA
AAC
WAV
FLAC
ALAC
Other audio file formats
Power
Operational power consumption, W
Standby consumption, W
Removable power cord
Dimensions
Size W x H x D, cm/inches
Weight, kg/lbs
Other
Release year
AV receivers SoundInspiration comparison rating
- 5.3Sony STR-DH790
- 6.2Denon AVR-S640H
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