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Compare Leobog K21 vs Yunzii YZ21 Differences Side by Side

This comparison is for buyers choosing between two affordable, wireless mechanical numpads. The decision is difficult because both offer triple-mode connectivity, hot-swap sockets, and NKRO. The Leobog K21 is distinguished by its polycarbonate plate and included sound-dampening foam, while the Yunzii YZ21 counters with a significantly larger battery and a wider selection of pre-installed Gateron switch types.

68
LEOBOG K21 Transparent Wireless Number Pad
62
YUNZII YZ21 Macaron Hot Swappable Mechanical Numeric Keypad Num Pad

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  • Connects via USB-C
  • Has built-in sound dampening
  • Uses a Plate Mount mounting style
  • Equipped with a 600 mAh battery
  • Weighs about 200 g
  • Sized at 37 x 82 x 120 mm
  • Made with a Plastic case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White RGB lighting
  • Has Clicky, Tactile, Linear switch options
  • Equipped with a 1500 mAh battery
  • Features PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 71.9
  • Build Quality: 59.2
  • Productivity: 78.8
  • Customizability: 69.6
  • Portability: 88.6
Scores
  • Performance: 71.7
  • Build Quality: 53.1
  • Productivity: 56.9
  • Customizability: 69.3
  • Portability: 85.8
Name
Leobog K21
Name
Yunzii YZ21
Release year
2022
Release year
2022
Switch Options
-
Switch Options
Clicky, Tactile, Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
Numpad
Layout Size
Numpad
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
-
Battery capacity
600 mAh
Battery capacity
1500 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Plate Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Material
Plastic
Case Material
-
Keycaps Material
PBT, ABS
Keycaps Material
PBT
Dimensions
37 x 82 x 120 mm
Dimensions
-
Weight
200g
Weight
-
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Pros and Trade-offs

Your priority should guide this choice. If you value a quiet, cushioned typing experience and plan to mod the acoustics, the Leobog K21's polycarbonate plate and included foam are significant advantages. If you need a numpad for all-day wireless use with less charging hassle and want immediate choice over switch type, the Yunzii YZ21's large battery and switch variety are more compelling.

Leobog K21

  • +Includes a polycarbonate (PC) mounting plate for a softer typing feel.
  • +Comes with EVA foam pre-installed for sound dampening.
  • +Offers a transparent case option according to the vendor listing.
  • +Provides downloadable software for Windows for customization.
  • −Smaller 600mAh battery compared to the YZ21.
  • −Switch options are not detailed in the provided specifications beyond the included LEOBOG Crystal linear.
  • −The vendor description specifies Windows support, while broader OS compatibility is not explicitly listed.

Yunzii YZ21

  • +Larger 1500mAh battery for extended wireless use.
  • +Offers a choice of five pre-installed Gateron G Pro switch types (Red, Blue, Yellow, Brown, Black).
  • +Vendor explicitly states compatibility with Mac, PC, Windows, iOS, and Android.
  • +Features north-facing RGB LEDs, which can affect keycap compatibility and lighting.
  • −Lacks mentioned sound-dampening foam or a specific plate material for acoustics.
  • −No mention of included accessories like a 2.4GHz dongle in the provided specs, though wireless is a feature.
  • −The vendor page does not link to or name specific configuration software.

Which Keyboard Is Better for Your Needs?

The Yunzii YZ21 takes the lead for office and travel use primarily due to its superior battery capacity. The Leobog K21 is the better choice for programming and modding, thanks to its sound-dampening construction and polycarbonate plate. For gaming and content creation, the two keyboards are evenly matched on core performance features like NKRO and RGB customization.

GamingTie
  • •Both keyboards feature N-key rollover (NKRO) for simultaneous key presses.
  • •Both support a stable 2.4GHz wireless connection for low-latency input.
  • •Their hot-swappable PCBs allow for installing preferred gaming switches.
OfficeYunzii YZ21
  • •The Yunzii YZ21's 1500mAh battery is 2.5 times larger than the K21's 600mAh, requiring less frequent charging.
  • •The YZ21's vendor description highlights wide compatibility with Mac, PC, Windows, iOS, and Android.
  • •Both offer quiet, pre-lubed linear switch options suitable for shared spaces.
ProgrammingLeobog K21
  • •The Leobog K21 includes a polycarbonate (PC) mounting plate and EVA foam for a softer, quieter typing feel during long sessions.
  • •The K21's vendor page provides a link to downloadable software for Windows, suggesting macro programmability.
  • •Its hot-swappable PCB supports experimenting with different switch types for optimal tactile feedback.
TravelYunzii YZ21
  • •The Yunzii YZ21's larger 1500mAh battery provides longer untethered use between charges.
  • •Both are compact 21-key numpads with similar triple-mode wireless connectivity.
  • •The YZ21's vendor claims compatibility with iOS and Android devices for mobile use.
ModdingLeobog K21
  • •The Leobog K21 comes with a polycarbonate plate and pre-installed EVA sound-dampening foam, offering a better acoustic starting point.
  • •Both keyboards have hot-swappable PCBs that support 3-pin and 5-pin switches.
  • •The K21's transparent case variant, as mentioned in its vendor title, may appeal to those building themed setups.
Content CreationTie
  • •Both numpads feature fully programmable RGB backlighting with millions of colors, according to their vendor pages.
  • •Macro functionality is suggested for both via their respective software.
  • •Hot-swappable sockets allow customization of switches for repetitive data entry or shortcut keys.

Frequently Asked Questions (FAQ)

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