Weikav Stars21 Programmable Numpad vs Yunzii YZ19Premium Build vs Lightweight Portability
Choose the Weikav Stars21 for deep firmware customization and a premium aluminum build, or the Yunzii YZ19 for a lighter, more portable package with a larger battery.
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![[In Stock] Stars21 Programmable Mechanical Numpad - Image: 6](https://cdn.shopify.com/s/files/1/0549/0262/0278/files/0000_20bda7b0-9d0b-48ed-aed0-d623f1e1face.jpg?v=1735897192&width=3840&quality=75)
Which one should you get?
Get the
Weikav Stars21 Programmable Numpad
Premium Build
Build quality in the top 10% of Numpad boards under $100.
- CNC aluminum case with anodized or electrophoresis finish for a premium feel.
- Full support for QMK and VIA firmware for deep key remapping and macro programming.
- Specified 1000Hz polling rate in wired and 2.4GHz modes for responsive input.
Get the
Yunzii YZ19
Lightweight Portability
Build quality in the top 40% of Numpad boards under $50.
- Significantly lighter at 219.5g, enhancing portability.
- Larger 1500mAh battery for extended wireless use.
- Comes pre-built with PBT dye-sublimation keycaps and a choice of Gateron G Pro switches.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Your primary need dictates the choice. If you value an uncompromising, mod-friendly foundation with extensive programmability via QMK/VIA, the heavier Weikav Stars21 is the superior tool. If you prefer a lightweight, ready-to-use numpad with better battery life and convenient features like a knob for daily productivity, the Yunzii YZ19 is the more practical option. Consider the additional cost of switches and keycaps if opting for the Stars21 as a barebones kit.
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.
Weikav Stars21 Programmable Numpad
Yunzii YZ19
Battery
800 mAh
1,500 mAh
A larger battery means fewer cables during the day
Switch options
Linear
Linear, Tactile
Knob
No
Yes
Weight
480 g
219.5 g
Heavier boards stay planted and lighter ones travel
QMK
Yes
No
The deep option when you want to remap every key
- Weikav Stars21 Programmable Numpad
- Yunzii YZ19
- Performance
- 7574
- Build quality
- 8467
- Productivity
- 5664
- Customizability
- 8973
- Portability
- 7784
- Layout size: Numpad
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Mount style: Gasket Mount
What will you mostly use it for?
The Weikav Stars21 is the clear choice for programmers and modders due to its open-source firmware support and premium construction. For office workers and travelers, the Yunzii YZ19's lighter weight, larger battery, and included knob provide more practical advantages. Gamers may lean towards the Stars21 for its confirmed high polling rate, while content creators have valid reasons to consider either model.
Pick the Weikav Stars21 Programmable Numpad
- The Weikav Stars21 has a specified 1000Hz polling rate in wired/2.4GHz modes, which the Yunzii YZ19's listing does not mention.
- Its aluminum case may provide a more stable, vibration-dampening platform for rapid key presses.
- Both offer N-key rollover, ensuring all simultaneous key presses are registered.
Weikav Stars21 Programmable Numpad vs Yunzii YZ19 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 21 specs differ
Weikav Stars21 Programmable Numpad
Yunzii YZ19
Switch options
Hot-swappable
Mount style
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
Case material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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Weikav Stars21 Programmable Numpad vs Yunzii YZ19: your questions
The Weikav Stars21 is better for programming due to its explicit support for QMK and VIA firmware. These open-source platforms allow for deep, layer-based key remapping, macro creation, and complex shortcut programming that the Yunzii YZ19's listing does not mention.
The Yunzii YZ19 has a larger 1500mAh battery compared to the Weikav Stars21's 800mAh battery. According to Yunzii's product description, this should provide extended wireless use, making it better for cord-free operation over long periods.
Yes, the Yunzii YZ19 is listed as a pre-built product. It comes with dye-sublimation PBT keycaps and a choice of factory-lubed Gateron G Pro 3.0 Yellow (linear) or Brown (tactile) switches installed.
The Weikav Stars21 is listed under 'Extra Features' as a 'Diy Kit/Barebones'. This suggests it may not come with switches or keycaps pre-installed, requiring you to purchase them separately for a complete working unit.
The Yunzii YZ19 is significantly more portable. It weighs 219.5 grams, which is less than half the weight of the 480-gram Weikav Stars21. Its lighter build makes it much easier to carry in a bag or move around a desk.
Yes, both the Weikav Stars21 and Yunzii YZ19 feature hot-swappable PCBs. This allows you to easily change the mechanical switches without soldering, using compatible 3-pin or 5-pin switches.
Both numpads feature RGB backlighting. The Weikav Stars21 listing mentions 16 million RGB colors. The Yunzii YZ19 specifies south-facing RGB LEDs and 18 light effects with 9 colors, controllable via shortcut keys or its driver.
Yes, the Yunzii YZ19 includes a knob. According to its product description, this knob can be used for quick adjustments of volume or RGB settings, adding a convenient control feature not mentioned for the Stars21.
The Weikav Stars21 uses a CNC aluminum case with an anodized or electrophoresis finish and includes an anodized gold weight, indicating a premium metal construction. The Yunzii YZ19's case material is not specified but its low weight suggests a plastic construction, prioritizing portability over heft.
The Yunzii YZ19 explicitly lists 'Mac/Win Support' in its features. The Weikav Stars21's compatibility is not specifically stated, but its support for standard USB, Bluetooth, and programmable firmware typically allows for Mac functionality, though key legends may not match.
According to the Weikav vendor description, the Stars21 has a 1000Hz polling rate when used in wired or 2.4GHz wireless mode. In Bluetooth mode, the polling rate is 125Hz. The Yunzii YZ19's polling rate is not specified in the provided information.
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