Product comparison · 2 digital media players

BenQ DEY21 Black 4K Ultra HD vs Dahua Technology DS04-AI400 digital media player Black 4K Ultra HD

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  • 39specifications compared
  • 18differ
  • 21identical
  • 37known for one product only

Key differences

The BenQ DEY21 Black 4K Ultra HD has 848.4 MHz more processor frequency than the Dahua Technology DS04-AI400 digital media player Black 4K Ultra HD (850 MHz vs 1.6 MHz). The BenQ DEY21 Black 4K Ultra HD has 16 GB more total storage capacity than the Dahua Technology DS04-AI400 digital media player Black 4K Ultra HD (32 GB vs 16 GB). The BenQ DEY21 Black 4K Ultra HD has 2,000 MB more internal memory than the Dahua Technology DS04-AI400 digital media player Black 4K Ultra HD (4000 MB vs 2000 MB). Only the Dahua Technology DS04-AI400 digital media player Black 4K Ultra HD has card reader integrated. Image formats supported: BMP, JPEG, PNG on the BenQ DEY21 Black 4K Ultra HD, BMP, GIF, JPEG, JPG, PNG on the Dahua Technology DS04-AI400 digital media player Black 4K Ultra HD.

  • Image formats supported
    • DEY21 Black 4K Ultra HD:BMP, JPEG, PNG
    • DS04-AI400 digital media player Black 4K Ultra HD:BMP, GIF, JPEG, JPG, PNG
  • Processor manufacturer
    • DEY21 Black 4K Ultra HD:ARM
    • DS04-AI400 digital media player Black 4K Ultra HD:MediaTek
  • Processor frequency
    • DEY21 Black 4K Ultra HD:850 MHz
    • DS04-AI400 digital media player Black 4K Ultra HD:1.6 MHz
  • Storage media type
    • DEY21 Black 4K Ultra HD:HDD
    • DS04-AI400 digital media player Black 4K Ultra HD:Flash
  • Total storage capacity
    • DEY21 Black 4K Ultra HD:32 GB
    • DS04-AI400 digital media player Black 4K Ultra HD:16 GB
  • Card reader integrated
    • DEY21 Black 4K Ultra HD:No
    • DS04-AI400 digital media player Black 4K Ultra HD:Yes
  • Internal memory
    • DEY21 Black 4K Ultra HD:4000 MB
    • DS04-AI400 digital media player Black 4K Ultra HD:2000 MB
  • Frame rate
    • DEY21 Black 4K Ultra HD:30 fps
    • DS04-AI400 digital media player Black 4K Ultra HD:60 fps

Side by side

Differences highlightedShow differences only (off)
Comparison of DEY21, DS04-AI400
76 specifications
Features3 differ
Product colourBlackBlack
Supported radio bandsKnown for oneUnknown — not stated by the sourceNot supported
Video formats supportedDiffersAVC, H.264, HEVC/H.265, MPEG1, MPEG2, MPEG4, VP9ASF, AVI, MKV, MOV, MP4, RM, RMVB, WMV
Image formats supportedDiffersBMP, JPEG, PNGBMP, GIF, JPEG, JPG, PNG
Video compression formatsDiffersAVC, H.264, H.265, HEVC, MPEG1, MPEG2, MPEG4, VC-1H.264, H.265
Audio formats supportedKnown for oneUnknown — not stated by the sourceMP3, WAV, WMA
Maximum image resolutionKnown for one3840 x 2160 pixelsUnknown — not stated by the source
Picture viewerKnown for oneYesUnknown — not stated by the source
Volume controlKnown for oneYesUnknown — not stated by the source
Internet radioKnown for oneYesUnknown — not stated by the source
Displayidentical
Built-in displayNoNo
Processor2 differ
Built-in processorYesYes
Processor manufacturerDiffersARMMediaTek
Processor architectureKnown for oneUnknown — not stated by the sourceCortex-A17
Processor frequencyDiffers850 MHz1.6 MHz
Processor cores44
Processor modelKnown for oneCortex-A72 + Cortex-A53Unknown — not stated by the source
Storage3 differ
Built-in storage mediaYesYes
Storage media typeDiffersHDDFlash
Total storage capacityDiffers32 GB16 GB
Card reader integratedDiffersNoYes
Compatible memory cardsKnown for oneUnknown — not stated by the sourceSD
Memory1 differ
Internal memoryDiffers4000 MB2000 MB
Video2 differ
HD type4K Ultra HD4K Ultra HD
Frame rateDiffers30 fps60 fps
Supported video modesDiffers1080p, 2160p1080p
High Dynamic Range (HDR) supportedKnown for oneUnknown — not stated by the sourceNo
Maximum video resolutionKnown for one3840 x 2160 pixelsUnknown — not stated by the source
Audioidentical
Audio output channelsKnown for oneUnknown — not stated by the source1.0 channels
Ports & interfaces1 differ
HDMI ports quantity11
HDMI versionKnown for oneUnknown — not stated by the source2.0a
HDCPNoNo
Ethernet LAN (RJ-45) ports11
USB 2.0 ports quantityDiffers42
Audio (L/R) out11
Component video (YPbPr/YCbCr) out00
Digital audio optical out00
Digital audio coaxial out00
RS-232CKnown for oneUnknown — not stated by the sourceYes
Audio (L/R) inKnown for one1Unknown — not stated by the source
Composite video outKnown for one0Unknown — not stated by the source
DC-in jackKnown for oneYesUnknown — not stated by the source
Networkidentical
Ethernet LANYesYes
Wi-FiYesYes
Wi-Fi readyYesYes
Frequency bandKnown for oneUnknown — not stated by the source2.4 GHz
Ethernet LAN data ratesKnown for one1000 Mbit/sUnknown — not stated by the source
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)Unknown — not stated by the source
BluetoothKnown for oneYesUnknown — not stated by the source
Bluetooth versionKnown for one4.1Unknown — not stated by the source
Software1 differ
Operating system installedAndroidAndroid
Operating system versionDiffers7.18.1
Ergonomicsidentical
USB direct playbackKnown for oneUnknown — not stated by the sourceYes
VESA mountingKnown for oneUnknown — not stated by the sourceYes
Plug and PlayKnown for oneYesUnknown — not stated by the source
Poweridentical
AC input voltage12 V12 V
Power consumption (standby)Known for oneUnknown — not stated by the source2 W
Power consumption (typical)Known for oneUnknown — not stated by the source4 W
Weight & dimensions2 differ
WidthDiffers128 mm150 mm
DepthDiffers28 mm100 mm
Height30 mm30 mm
WeightKnown for oneUnknown — not stated by the source870 g
Packaging dataidentical
Package widthKnown for oneUnknown — not stated by the source266 mm
Package depthKnown for oneUnknown — not stated by the source239 mm
Package heightKnown for oneUnknown — not stated by the source77 mm
Package typeKnown for oneUnknown — not stated by the sourceBox
Packaging contentidentical
Remote control includedYesYes
Cables includedKnown for oneUnknown — not stated by the sourceAC
ManualKnown for oneUnknown — not stated by the sourceYes
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 45 °C-10 - 55 °C
Storage temperature (T-T)Differs-20 - 70 °C-20 - 60 °C
Operating relative humidity (H-H)Differs10 - 95%10 - 90%
Storage relative humidity (H-H)Known for oneUnknown — not stated by the source5 - 95%
Logistics dataidentical
Quantity per pack1 pc(s)1 pc(s)
Graphicsidentical
Graphics cardKnown for oneMali T-864Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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