Product comparison · 2 wireless presentation systems

Viewsonic ViewSync 3 vs Yealink PA20 wireless presentation system Dongle

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  • 11specifications compared
  • 10differ
  • 1identical
  • 28known for one product only

Key differences

The Yealink PA20 wireless presentation system Dongle has 28.5 mm more width than the Viewsonic ViewSync 3 (220 mm vs 191.5 mm). The Viewsonic ViewSync 3 has 64.6 mm more depth than the Yealink PA20 wireless presentation system Dongle (102.6 mm vs 38 mm). The Viewsonic ViewSync 3 has 16.2 mm more height than the Yealink PA20 wireless presentation system Dongle (32.2 mm vs 16 mm). Form factor: Desktop on the Viewsonic ViewSync 3, Dongle on the Yealink PA20 wireless presentation system Dongle. Operating temperature (T-T): -5 - 45 °C on the Viewsonic ViewSync 3, -10 - 40 °C on the Yealink PA20 wireless presentation system Dongle.

  • Form factor
    • ViewSync 3:Desktop
    • PA20 wireless presentation system Dongle:Dongle
  • Operating temperature (T-T)
    • ViewSync 3:-5 - 45 °C
    • PA20 wireless presentation system Dongle:-10 - 40 °C
  • Width
    • ViewSync 3:191.5 mm
    • PA20 wireless presentation system Dongle:220 mm
  • Depth
    • ViewSync 3:102.6 mm
    • PA20 wireless presentation system Dongle:38 mm
  • Height
    • ViewSync 3:32.2 mm
    • PA20 wireless presentation system Dongle:16 mm
  • Weight
    • ViewSync 3:240 g
    • PA20 wireless presentation system Dongle:75 g
  • Package width
    • ViewSync 3:242.2 mm
    • PA20 wireless presentation system Dongle:220 mm
  • Package depth
    • ViewSync 3:216.3 mm
    • PA20 wireless presentation system Dongle:38 mm

Side by side

Differences highlightedShow differences only (off)
Comparison of ViewSync 3, PA20
39 specifications
Design1 differ
Form factorDiffersDesktopDongle
Product colourBlackBlack
LED indicatorsKnown for oneUnknown — not stated by the sourceYes
Featuresidentical
Maximum resolution (VGA)Known for one1366 x 768 pixelsUnknown — not stated by the source
Supported graphics resolutionsKnown for one800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1366 x 768Unknown — not stated by the source
Supported video modesKnown for one480p, 720p, 1080pUnknown — not stated by the source
Management featuresidentical
On/off switchKnown for oneYesUnknown — not stated by the source
Networkidentical
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11gUnknown — not stated by the source
Frequency bandKnown for one2.4 & 5Unknown — not stated by the source
Ethernet LANKnown for oneYesUnknown — not stated by the source
Ethernet LAN data ratesKnown for one10,100 Mbit/sUnknown — not stated by the source
Networking standardsKnown for oneUnknown — not stated by the sourceIEEE 802.11a, IEEE 802.11ac, IEEE 802.11az, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Security algorithmsKnown for oneUnknown — not stated by the sourceWPA-PSK, WPA2-PSK
Ports & interfacesidentical
InterfaceKnown for oneHDMIUnknown — not stated by the source
Number of HDMI outputsKnown for one1Unknown — not stated by the source
VGA (D-Sub) output portsKnown for one1Unknown — not stated by the source
USB 2.0 ports quantityKnown for one1Unknown — not stated by the source
Audio (L/R) outKnown for one1Unknown — not stated by the source
S/PDIF out portKnown for oneYesUnknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for oneUnknown — not stated by the source1
Poweridentical
Power source typeKnown for oneACUnknown — not stated by the source
Input voltageKnown for one100 - 240 VUnknown — not stated by the source
Input frequencyKnown for one50/60 HzUnknown — not stated by the source
Output voltageKnown for one5 VUnknown — not stated by the source
Output currentKnown for one1 AUnknown — not stated by the source
Power consumption (typical)Known for oneUnknown — not stated by the source2.2 W
Operational conditions1 differ
Operating temperature (T-T)Differs-5 - 45 °C-10 - 40 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source0 - 90%
Weight & dimensions8 differ
WidthDiffers191.5 mm220 mm
DepthDiffers102.6 mm38 mm
HeightDiffers32.2 mm16 mm
WeightDiffers240 g75 g
Package widthDiffers242.2 mm220 mm
Package depthDiffers216.3 mm38 mm
Package heightDiffers62.9 mm16 mm
Package weightDiffers700 g87 g
System requirementsidentical
Windows operating systems supportedKnown for oneUnknown — not stated by the sourceWindows 10, Windows 11, Windows 7, Windows 8
Mac operating systems supportedKnown for oneUnknown — not stated by the sourceMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac O
Logistics dataidentical
Country of originKnown for oneUnknown — not stated by the sourceChina

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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