Denon AVR-S640H vs Sony STR-DH190 review
Denon AVR-S640H vs Sony STR-DH190 comparison definitely makes sense.
Amplifier
A significant difference between the receivers in the number of channels, Denon AVR-S640H has 5.2 versus 2.0 for Sony STR-DH190. Regarding power, then AVR-S640H has such a W/Ohm ratio - 75/8, 100/6 when STR-DH190 has a power of 100/8. The THD is 0.08% for the AVR-S640H but 0.09% for the STR-DH190. None of the models support Bi-amping. 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.
Video features
Only the Denon AVR-S640H has support for High dynamic range (HDR). Only the AVR-S640H provides HDMI signal transmission in standby mode. Both competitors are not able to scale the HDMI signal. Dolby Vision technology found support only on the AVR-S640H. Only the AVR-S640H supports HDMI Audio Return Channel (ARC). Unfortunately, HDMI eARC is not available on monitored devices. Of the two receivers in our comparison, HDMI CEC is present in only the AVR-S640H. These compared receivers have a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the AVR-S640H. The setup assistant will help you configure Denon AVR-S640H.
Multichannel surround
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.
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
- 6.2Denon AVR-S640H
- 5Sony STR-DH190
Latest receiver comparisons
Popular receiver comparisons
