KeebFinder
Not sure which keyboard to choose? Try the Keyboard Finder now!

Compare Coolkiller ROCOCO Numpad vs MMD KM21 Ultra Differences Side by Side

Explore the comprehensive side-by-side comparison of the Coolkiller ROCOCO Numpad and MMD KM21 Ultra 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 ROCOCO Hot-swappable Wireless Number Pad
86
MMD KM21 Ultra - QMK/VIA Wireless Aluminium Macropad Numpad

Select a keyboard to compare

0.0 (0)
0.0 (0)
  • Released in 2024
  • Uses a Gasket Mount mounting style
  • Made with a ABS case
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Released in 2026
  • Comes with a knob
  • Connects via USB-C
  • Supports QMK firmware
  • Supports VIA configuration
  • Uses a Top Mount mounting style
  • Equipped with a 980 mAh battery
  • Made with a Aluminum case
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 56.9
  • Build Quality: 62.4
  • Productivity: 61.3
  • Customizability: 64.1
  • Portability: 83.4
Scores
  • Performance: 66.3
  • Build Quality: 81.7
  • Productivity: 89.2
  • Customizability: 89.7
  • Portability: 85.6
Name
Coolkiller ROCOCO Numpad
Name
MMD KM21 Ultra
Release year
2024
Release year
2026
Switch Options
-
Switch Options
-
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
-
Battery capacity
980 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
Top Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
Rgb
Case Colors
Case Colors
Case Material
ABS
Case Material
Aluminum
Keycaps Material
-
Keycaps Material
-
Dimensions
-
Dimensions
-
Weight
-
Weight
-
*Something incorrect or missing? Please
let me know
!

Discover similar products

You might also like similar products in that price range:

98
$94
Keychron V1 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V1 Max
75%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Gasket Mount

76
$75
Qwertykeys Neo65 Core Plus Keyboard
Qwertykeys Neo65 Core Plus
65%,
Hotswap,
Wireless,
Wired,
Alu case,
Gasket Mount

96
$89
Keychron V6 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V6 Max
100%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Gasket Mount

93
$105
MonsGeek M1W Aluminum Wireless Gasket DIY Kit
Monsgeek M1W
75%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Alu case,
Gasket Mount

95
$79
Keychron Q10 (Alice Layout) QMK Custom Mechanical Keyboard
Keychron Q10
75%,
Hotswap,
Wired,
RGB,
Knob,
VIA,
QMK,
Alu case,
Gasket Mount

98
$99
Keychron V5 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V5 Max
96%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Gasket Mount

93
$97
Keychron V1 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V1 Ultra
75%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
Knob,
VIA,
QMK,
Gasket Mount

94
$94
Keychron V3 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V3 Max
80%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Gasket Mount

100
$104
Lemokey P1 QMK/VIA Custom Gaming Keyboard
Keychron Lemokey P1
75%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Alu case,
Gasket Mount

Coolkiller ROCOCO Numpad vs MMD KM21 Ultra Specs