85
Overall/ Value
85.2Build Quality
81.6Customizability
89.7Performance
66.7Productivity
89.3Portability
85.9$89

MMD KM21 Ultra
Numpad,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Alu case,
Top Mount
Explore the comprehensive side-by-side comparison of the Keychron Q0 Plus and Yunzii AL21 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.
89 Overall/ Value 89.3Build Quality 88.7Customizability 95.3Performance 68.3Productivity 87.6Portability 68.5![]() | 79 Overall/ Value 78.9Build Quality 77.1Customizability 75.0Performance 74.1Productivity 83.6Portability 88.1![]() | Select a keyboard to compare |
1.5 stars (1 reviews) | 0.0 stars (0 reviews) | |
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Name Keychron Q0 Plus | Name Yunzii AL21 | |
Release year 2023 | Release year 2026 | |
Switch Options Linear, Tactile, Clicky | Switch Options Linear | |
Profile Normal Profile | Profile Normal Profile | |
Hot Swappable | Hot Swappable | |
Layout Size Numpad | Layout Size Numpad | |
Layout Standard ANSI | Layout Standard - | |
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, Wired only | Connection Bluetooth, 2.4 GHz, Wired, Wireless | |
Polling Rate 1000 Hz | Polling Rate - | |
Battery capacity - | 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 Gasket Mount | Mount Style Gasket Mount | |
Screw in Stabilizers | Screw in Stabilizers | |
Sound Dampening | Sound Dampening | |
Backlight Rgb, South-face | Backlight Rgb, South-face | |
Case Colors | Case Colors | |
Case Material Aluminum | Case Material Aluminum | |
Keycaps Material PBT | Keycaps Material PBT | |
Dimensions 20 x 137 x 118 mm | Dimensions 44 x 136 x 91 mm | |
Weight 586g | Weight 458g |
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