Leobog K21 vs Yunzii YZ21Sound Dampening vs Battery Life
Choose the Leobog K21 for a softer, quieter typing experience with sound dampening, or the Yunzii YZ21 for longer wireless battery life and more included switch options.
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Which one should you get?
Get the
Leobog K21
Sound Dampening
Build quality in the bottom 50% of Numpad boards under $50.
- 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.
Get the
Yunzii YZ21
Battery Life
Build quality in the bottom 40% of Numpad boards under $50.
- 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.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
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.
The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
Leobog K21
Yunzii YZ21
Battery
600 mAh
1,500 mAh
A larger battery means fewer cables during the day
Sound dampening
Yes
No
Keycaps
ABS, PBT
PBT
Backlight
RGB
RGB, north-facing
RGB for looks and low light rather than speed
USB-C
Yes
No
- Leobog K21
- Yunzii YZ21
- Performance
- 7373
- Build quality
- 6053
- Productivity
- 8059
- Customizability
- 7070
- Portability
- 8985
- Layout size: Numpad
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
What will you mostly use it for?
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.
It's a tie
- 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.
Leobog K21 vs Yunzii YZ21 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
5 of 20 specs differ
Leobog K21
Yunzii YZ21
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Connection
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
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Leobog K21 vs Yunzii YZ21: your questions
The Yunzii YZ21 has a larger 1500mAh battery, while the Leobog K21 has a 600mAh battery. This makes the YZ21 better suited for long wireless usage without needing a recharge.
Yes, both the Leobog K21 and Yunzii YZ21 feature hot-swappable PCBs. This means you can replace the switches without soldering, using most 3-pin or 5-pin mechanical switches.
The Leobog K21 vendor page provides a link to a software download driver for Windows. This software is typically used for customizing RGB lighting effects and programming macros.
According to its vendor page, the Yunzii YZ21 offers a choice of five Gateron G Pro switch types: Red (linear), Blue (clicky), Yellow (linear), Brown (tactile), and Black (linear).
The Leobog K21 is likely quieter out of the box. It includes EVA foam for sound dampening and a polycarbonate plate, which together help absorb typing noise. The YZ21's acoustics are not detailed.
The Yunzii YZ21 vendor description explicitly lists compatibility with Mac. The Leobog K21 specifications list Mac/Win Support, confirming Mac compatibility as well.
A key difference is the plate material. The Leobog K21 uses a polycarbonate (PC) plate, which is known for a softer, more flexible feel. The plate material for the Yunzii YZ21 is not specified in the provided information.
Yes, both the Leobog K21 and Yunzii YZ21 feature RGB backlighting. The YZ21 specifically mentions its RGB LEDs are north-facing, which can influence the look with certain keycap profiles.
The Yunzii vendor description states the YZ21 is compatible with iOS and Android devices via its Bluetooth connection, making it suitable for use with phones and tablets.
According to its vendor page, the Leobog K21 package includes a Type-C cable, a 2.4GHz wireless dongle, and a user manual.
The Leobog K21 is a strong candidate for first-time modders. It already includes sound-dampening EVA foam and a polycarbonate plate, allowing you to focus on switch and keycap changes without immediately needing to add foam.
Not sold on either?
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