Coolkiller PolarBear vs Yunzii AL21
Get the Yunzii AL21 for knob.
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from$69at WhatGeek
from$49at Yunzii
90-day lowLowest price in 90 days
Which one should you get?
Get the
Coolkiller PolarBear
Build quality in the bottom 45% of Numpad boards under $100.
Get the
Yunzii AL21
Knob
Build quality in the top 10% of Numpad boards under $50.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
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.
Coolkiller PolarBear
Yunzii AL21
Connection
Wired, Wireless
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Case material
Plastic
Aluminum
Knob
No
Yes
Weight
296 g
458 g
Heavier boards stay planted and lighter ones travel
Backlight
White
RGB, south-facing
RGB for looks and low light rather than speed
- Coolkiller PolarBear
- Yunzii AL21
- Performance
- 5975
- Build quality
- 6177
- Productivity
- 7284
- Customizability
- 5574
- Portability
- 8789
- Layout size: Numpad
- Hot-swappable
- Battery: 1,500 mAh
- Switch options: Linear
- Mount style: Gasket Mount
- Sound dampening
Coolkiller PolarBear vs Yunzii AL21 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
7 of 20 specs differ
Coolkiller PolarBear
Yunzii AL21
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
Compare prices
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