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Product comparison · 2 keyboards

Dell KM720 keyboard Mouse included Office RF Wireless + Bluetooth QWERTY US English Grey, Black vs Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black

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  • 14specifications compared
  • 9differ
  • 5identical
  • 37known for one product only

Key differences

The Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black has 9 g more keyboard weight than the Dell KM720 keyboard Mouse included Office RF Wireless + Bluetooth QWERTY US English Grey, Black (570 g vs 561 g). Recommended usage: Office on the Dell KM720 keyboard Mouse included Office RF Wireless + Bluetooth QWERTY US English Grey, Black, Home/Office on the Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black. Connectivity technology: Wireless on the Dell KM720 keyboard Mouse included Office RF Wireless + Bluetooth QWERTY US English Grey, Black, Wired on the Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black. Device interface: RF Wireless + Bluetooth on the Dell KM720 keyboard Mouse included Office RF Wireless + Bluetooth QWERTY US English Grey, Black, USB on the Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black. Keyboard language: US English on the Dell KM720 keyboard Mouse included Office RF Wireless + Bluetooth QWERTY US English Grey, Black, Romanian on the Lenovo 4X31R64428 keyboard Mouse included Home/Office USB Romanian Black.

  • Recommended usage
    • Office
    • Home/Office
  • Connectivity technology
    • Wireless
    • Wired
  • Device interface
    • RF Wireless + Bluetooth
    • USB
  • Keyboard language
    • US English
    • Romanian
  • Product colour
    • Grey, Black
    • Black
  • Power source type
    • Battery
    • USB
  • Form factor
    • Right-hand
    • Ambidextrous
  • Windows operating systems supported
    • Windows 10
    • Windows 10, Windows 11

Side by side

Differences highlightedShow differences only
51 specifications
A

Dell

KM720 keyboard Mouse included Office RF Wireless + Bluetooth QWERTY US English Grey, Black

Model KM720

View product
B

Lenovo

4X31R64428 keyboard Mouse included Home/Office USB Romanian Black

Model 4X31R64428

View product
Keyboard4 differ
Recommended usageDiffersOfficeHome/Office
Connectivity technologyDiffersWirelessWired
Device interfaceDiffersRF Wireless + BluetoothUSB
Keyboard languageDiffersUS EnglishRomanian
Pointing deviceKnown for oneNo
Keyboard form factorFull-size (100%)Full-size (100%)
Numeric keypadYesYes
Keyboard keys operating lifeKnown for one10 million characters
Windows keysKnown for oneYes
Copilot keyKnown for oneYes
Key pitchKnown for one1.95 cm
CertificationKnown for oneAAA, BSMI, CB, CE, C-tick, EAC, FCC, IC, KCC, TUV, UL, VCCI
Keyboard key switchKnown for oneNo
Keyboard layoutKnown for oneQWERTY
Frequency bandKnown for one2.4 GHz
Design1 differ
BacklightKnown for oneNo
Adjustable keyboard heightKnown for oneYes
Product colourDiffersGrey, BlackBlack
Protection featuresKnown for oneSpill resistant
Featuresidentical
USB connector typeKnown for oneUSB Type-A
Cable lengthKnown for one1.8 m
Power1 differ
Power source typeDiffersBatteryUSB
Keyboard battery typeKnown for oneAAA
Number of batteries (keyboard)Known for one2
Mouse1 differ
Mouse includedYesYes
Form factorDiffersRight-handAmbidextrous
Movement detection technologyKnown for oneOptical
Movement resolutionKnown for one1600 DPI
Buttons quantityKnown for one3
Buttons typeKnown for onePressed buttons
ScrollYesYes
Scroll typeWheelWheel
Mouse cable lengthKnown for one1.8 m
Buttons durability (million clicks)Known for one1
System requirements1 differ
Windows operating systems supportedDiffersWindows 10Windows 10, Windows 11
Mac operating systems supportedKnown for oneMacOS
Mobile operating systems supportedKnown for oneAndroid
Other operating systems supportedKnown for oneChromeOS
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one15 - 60%
Weight & dimensions1 differ
Keyboard dimensions (WxDxH)Known for one424 x 146 x 20 mm
Keyboard weightDiffers561 g570 g
Mouse dimensions (WxDxH)Known for one111 x 62 x 34 mm
Mouse weightKnown for one69 g
Packaging contentidentical
Number of products includedKnown for one2 pc(s)
AC adapter includedKnown for oneNo
Packaging dataidentical
Package widthKnown for one508 mm
Package depthKnown for one179 mm
Package heightKnown for one45 mm
Package weightKnown for one910 g
Package typeKnown for oneBox

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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