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Compare Coolkiller PolarBear vs Keychron K0 Max Numpad Differences Side by Side

Explore the comprehensive side-by-side comparison of the Coolkiller PolarBear and Keychron K0 Max Numpad and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keyboard at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

62
CoolKiller PolarBear 2 in-1 Transparent Calculator & Number Pad Mechanical Keyboard
79
Keychron K0 Max Wireless Hotswap Low Profile Numpad

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  • Released in 2023
  • Has Linear switch options
  • Uses a Gasket Mount mounting style
  • Supports Wired, Wireless connectivity
  • Equipped with a 1500 mAh battery
  • Weighs about 296 g
  • Sized at 30 x 65 x 84 mm
  • Made with a Plastic case
  • Offers Yes, White RGB lighting
  • Released in 2025
  • Has Tactile, Linear switch options
  • Features a low-profile design
  • Comes with a knob
  • Supports QMK firmware
  • Uses a Plate Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 750 mAh battery
  • Made with a ABS, Aluminum case
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 59.3
  • Build Quality: 62
  • Productivity: 72
  • Customizability: 56
  • Portability: 87.2
Scores
  • Performance: 75.6
  • Build Quality: 74.1
  • Productivity: 84.5
  • Customizability: 79.4
  • Portability: 86.4
Name
Coolkiller PolarBear
Name
Keychron K0 Max Numpad
Release year
2023
Release year
2025
Switch Options
Linear
Switch Options
Tactile, Linear
Profile
Normal Profile
Profile
Low 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
Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
1000 Hz
Battery capacity
1500 mAh
Battery capacity
750 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
Gasket Mount
Mount Style
Plate Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
White
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Material
Plastic
Case Material
ABS, Aluminum
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
30 x 65 x 84 mm
Dimensions
-
Weight
296g
Weight
-
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