Which one should you get?
Get the
Yunzii AL66
65%
- More compact 65% layout saves significant desk space.
- Larger 4600mAh battery capacity for longer wireless use.
- Detailed sound dampening with Poron sandwich foam, socket foam, and PET pads.
- Lacks dedicated arrow and function keys, requiring layer use.
- Heavier weight may reduce portability despite smaller size.
- Only supports ANSI layout, not ISO.
Get the
Yunzii B75 Pro
75% Layout & Wireless Keyboard Choice
- More functional 75% layout with arrow keys, function row, and navigation cluster.
- Specified 4000Hz polling rate for potentially lower latency.
- Supports both ANSI and ISO layouts.
- Smaller 4000mAh battery compared to the AL66.
- Larger footprint takes up more desk space.
- The vendor description does not detail specific foam materials like the AL66.
Your primary need dictates the choice. If you value every inch of desk space, prioritize wireless battery life, or enjoy detailed modding, the Yunzii AL66 is compelling. If you need a ready-to-work layout with arrow and function keys, plan on competitive gaming with a high polling rate, or want programmability, the Yunzii B75 Pro is the more versatile daily driver. Both offer excellent core features like tri-mode connectivity and hot-swap sockets.
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.
Yunzii AL66
Yunzii B75 Pro
Layout size
65%
75%
Battery
4,600 mAh
4,000 mAh
Case material
Aluminum
Plastic
Switch options
Clicky
Clicky, Linear, Tactile
Mount style
Gasket Mount, Plate Mount
Gasket Mount
- Yunzii AL66
- Yunzii B75 Pro
- Performance
- 7375
- Build quality
- 7560
- Productivity
- 7891
- Customizability
- 7578
- Portability
- 8980
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Knob
- Sound dampening
What will you mostly use it for?
The B75 Pro is the more practical choice for most productivity-focused tasks like office work, programming, and gaming due to its more complete layout and specified high polling rate. The AL66 wins for travel and desk space conservation thanks to its 65% size, and it appeals to modders with its well-documented internal foams. For content creation, the knob on both makes them equally viable, leaving the decision to layout preference.
Pick the Yunzii B75 Pro
- The B75 Pro lists a 4000Hz polling rate, which can offer lower latency.
- Its 75% layout retains arrow keys for in-game menus without using layers.
- The vendor description mentions a dedicated gaming mode accessible via the knob.
Yunzii AL66 vs B75 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 24 specs differ
Yunzii AL66
Yunzii B75 Pro
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
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Yunzii AL66 vs B75 Pro: your questions
The AL66 is a 65% keyboard with a 322mm length, omitting the function row and navigation cluster. The B75 Pro is a 75% keyboard with a 334mm length, retaining the function row, arrow keys, and a compact navigation cluster. The B75 Pro offers more keys in a slightly wider footprint.
The Yunzii AL66 has a larger 4600mAh battery, while the B75 Pro has a 4000mAh battery. Based on capacity alone, the AL66 should offer longer usage between charges, assuming similar power management.
The Yunzii B75 Pro lists a 4000Hz polling rate, which is a higher refresh rate for keypress detection that can benefit gaming. Its 75% layout also includes dedicated arrow keys, which are useful for in-game controls without using modifier layers.
Yes, both the Yunzii AL66 and B75 Pro feature hot-swappable sockets. The AL66's vendor page specifies support for both 3-pin and 5-pin switches. The B75 Pro's description also states compatibility with 3-pin or 5-pin switches.
The Yunzii AL66 is more portable due to its smaller 65% footprint, making it easier to fit in a bag or use in confined spaces like on a laptop. However, it is notably heavier at 1145g compared to the B75 Pro's 937g.
Yes, both keyboards are listed as compatible with Mac and Windows operating systems. The B75 Pro's vendor description also mentions programmable software for the Windows system.
Both keyboards use a gasket mount design. The AL66's vendor description also lists plate mount, indicating its switches are mounted to a plate that is then suspended by gaskets.
Both keyboards use PBT keycaps. The AL66 uses dye-sublimated Cherry profile keycaps, while the B75 Pro uses double-shot PBT Cherry profile keycaps according to its specifications.
Yes, the Yunzii AL66 includes a metal knob. The vendor description states it can control RGB modes, brightness, or volume.
According to the vendor description, the Yunzii AL66 includes Poron sandwich foam, Poron socket foam, and PET sound pads for sound absorption. This level of detail is not provided for the B75 Pro.
The B75 Pro's vendor description mentions "more than 20 built-in backlight modes." The number of built-in modes for the AL66 is not specified, though it does feature south-facing RGB and side case lights.
Yes, the Yunzii B75 Pro includes screw-in stabilizers as listed in its extra features. The type of stabilizers on the AL66 is not specified in the provided information.
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