Zuoya GMK21 Numpad vs Keychron Q0 MaxWired or Wireless
Get the Zuoya GMK21 for its 20-key design and small footprint, or the Keychron Q0 Max for Bluetooth and 2.4 GHz wireless, an aluminum case, and layered acoustic foams.
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No reviews
from$35at ktechs
5.0 (4)5.0 · 4 reviews
from$119at Keychron
Which one should you get?
Get the
Zuoya GMK21 Numpad
Build quality in the top 10% of Numpad boards under $50.
- 20-key layout with a knob in a small numpad design.
- Multicolor backlight.
Get the
Keychron Q0 Max
Sound dampening
Build quality in the top 5% of Numpad boards under $150.
- Bluetooth and 2.4 GHz wireless, alongside wired connectivity.
- Aluminum case, steel plate, gasket mount, and IXPE, PET, and Latex acoustic foams.
- N-Key Rollover and screw-in PCB stabilizers.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Choose the Zuoya GMK21 if you want a small 20-key numpad with multicolor backlighting. Choose the Keychron Q0 Max if you need Bluetooth or 2.4 GHz wireless, or prefer its aluminum case, acoustic foams, and N-Key Rollover.
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.
Zuoya GMK21 Numpad
Keychron Q0 Max
Sound dampening
No
Yes
Screw-in stabilizers
No
Yes
Easier to tune than the plate-mount stabs you get prebuilt
Backlight
RGB
RGB, south-facing
RGB for looks and low light rather than speed
N-key rollover
No
Yes
Mac & Windows
No
Yes
- Zuoya GMK21 Numpad
- Keychron Q0 Max
- Performance
- 6178
- Build quality
- 7988
- Productivity
- 6595
- Customizability
- 9496
- Portability
- 6587
- Layout size: Numpad
- Hot-swappable
- Knob
- QMK
- VIA
What will you mostly use it for?
The Q0 Max takes most categories because it combines multiple connection modes with more detailed build and customization features. The GMK21 is a more focused choice when a small 20-key numpad is the priority. For travel, its vendor specifically highlights the compact design and added mouse space. Both models include a knob and QMK and VIA support.
Pick the Keychron Q0 Max
- The Q0 Max supports 2.4 GHz wireless with a listed 1000 Hz polling rate.
- It also supports wired use and N-Key Rollover in wired and wireless modes.
Zuoya GMK21 Numpad vs Keychron Q0 Max specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
7 of 26 specs differ
Zuoya GMK21 Numpad
Keychron Q0 Max
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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Zuoya GMK21 Numpad vs Keychron Q0 Max: your questions
The GMK21 is a 20-key numpad kit with a knob and multicolor backlight. The Q0 Max adds Bluetooth and 2.4 GHz wireless, an aluminum case, and acoustic foams.
The GMK21 product details list RGB, hot-swapping, QMK, VIA, and knob support, but do not specify wireless connectivity. The Q0 Max explicitly lists Bluetooth, 2.4 GHz, and wired modes.
Yes, Bluetooth is listed as a connection option for the Q0 Max. The vendor describes Bluetooth connections to three devices.
The Keychron Q0 Max lists 2.4 GHz wireless and a 1000 Hz polling rate for that mode. The GMK21 listing does not specify 2.4 GHz connectivity.
Both models are listed as hot-swappable. The GMK21 vendor specifies 5-pin sockets, while Keychron says the Q0 Max accepts most 3-pin and 5-pin MX-style mechanical switches.
The Q0 Max offers hot-swapping for compatible 3-pin and 5-pin MX-style switches, plus QMK support. The GMK21 also has 5-pin hot-swap sockets and QMK and VIA support, making it a capable option for a smaller kit.
Yes, its case material is listed as aluminum, and its plate material is steel. Keychron describes the body as CNC-machined aluminum.
The Q0 Max has south-facing LEDs, and its compatibility note warns that shine-through legends stay dark. The vendor describes its included fully assembled keycaps as non-shine-through PBT.
Yes, the GMK21 vendor lists 20 keys with a knob. The Q0 Max also has a rotary encoder knob.
The GMK21 is described by its vendor as a small numpad designed to leave more mouse space. The Q0 Max has listed dimensions of 22 x 118 x 137 mm and a listed weight of 684 g.
The Q0 Max supports QMK, and Keychron describes key remapping, macros, and shortcuts as customization options. It also has a rotary encoder knob.
The Q0 Max lists Bluetooth, 2.4 GHz, and wired connectivity. The GMK21 product details do not specify connection modes.
Not sold on either?
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