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

Compare Yunzii AL66 vs B75 Pro Max Differences Side by Side

This comparison is for buyers torn between the ultra-compact Yunzii AL66 and the feature-packed Yunzii B75 Pro Max. Both are gasket-mounted, hot-swappable, and tri-mode wireless, but they target different priorities. The decision is hard because the AL66 offers a premium CNC aluminum case at a lower price point, while the B75 Pro Max brings advanced customization and a larger battery. Your choice hinges on whether you need a small desk footprint or a fully customizable command center with a screen.

76
YUNZII AL66 Knob CNC Aluminum Wireless Mechanical Keyboard
84
YUNZII B75 PRO MAX QMK/VIA Knob TFT Screen Wireless Mechanical Keyboard

Select a keyboard to compare

0.0 (0)
0.0 (0)
  • Released in 2023
  • Has Clicky switch options
  • Available in a 65% layout
  • Includes a No display
  • Compatible with both Mac and Windows
  • Provides dedicated media keys
  • Has built-in sound dampening
  • Equipped with a 4600 mAh battery
  • Weighs about 1145 g
  • Sized at 42 x 113 x 322 mm
  • Made with a Aluminum case
  • Released in 2025
  • Has Linear switch options
  • Available in a 75% layout
  • Includes a Yes, TFT display
  • Supports QMK firmware
  • Supports VIA configuration
  • Equipped with a 8000 mAh battery
  • Weighs about 993 g
  • Sized at 42 x 334 x 144 mm
Scores
  • Performance: 54.8
  • Build Quality: 68.4
  • Productivity: 75.6
  • Customizability: 82.2
  • Portability: 88
Scores
  • Performance: 83.4
  • Build Quality: 80
  • Productivity: 73.6
  • Customizability: 89.5
  • Portability: 90.3
Name
Yunzii AL66
Name
Yunzii B75 Pro Max
Release year
2023
Release year
2025
Switch Options
Clicky
Switch Options
Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
TFT
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
4600 mAh
Battery capacity
8000 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
-
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
42 x 113 x 322 mm
Dimensions
42 x 334 x 144 mm
Weight
1145g
Weight
993g
*Something incorrect or missing? Please
let me know
!

Pros and Trade-offs

For most buyers, the Yunzii B75 Pro Max is the better choice due to its QMK/VIA support, TFT screen, and massive battery, which offer clear advantages for gaming, programming, and content creation. However, if you prioritize a compact, durable all-aluminum chassis for travel or modding, the Yunzii AL66 is a strong value at a lower price point. Your decision should be based on whether you need advanced programmability or a smaller desk footprint.

Yunzii AL66

  • +CNC machined aluminum case offers a premium build feel and durability.
  • +Includes Poron sandwich foam, Poron socket foam, and PET sound pads for excellent sound dampening out of the box.
  • +Compact 65% layout is ideal for small desks or travel.
  • +The gasket mount with a slotted polycarbonate plate provides a flexible typing feel.
  • −Lacks QMK or VIA support, limiting software customization possibilities.
  • −Clicky switch option may be noisy for shared office or home environments.
  • −Smaller 4600mAh battery requires more frequent charging than the B75 Pro Max.
  • −No dedicated function row, which may slow down some workflows without reprogrammable keys.

Yunzii B75 Pro Max

  • +Full QMK and VIA support allows for deep customization of keymaps, macros, and layers.
  • +Includes a programmable TFT screen that can display system stats, GIFs, or images.
  • +Massive 8000mAh battery provides very long wireless runtime.
  • +Features a gasket mount structure with a five-layer cushioning system for a creamy typing sound.
  • −Larger 75% footprint (334mm width) takes up more desk space than the AL66.
  • −Does not feature an aluminum case, relying on a plate mount structure which is less impact-resistant.
  • −May be slightly over-featured for users who just want a simple typing experience.

Which Keyboard Is Better for Your Needs?

The B75 Pro Max dominates in productivity and gaming-oriented use cases due to its QMK/VIA firmware, TFT screen, and larger battery. For modding and travel, the AL66's compact all-aluminum construction and internal sound dampening make it a more attractive option. The tie in most categories is broken by the B75 Pro Max's superior software customization, while the AL66 retains a strong edge for those who prefer a smaller, tougher keyboard. Content creation users will appreciate the B75 Pro Max's screen and macro potential.

GamingYunzii B75 Pro Max
  • •The B75 Pro Max has a higher score in performance metrics relative to its price tier, suggesting better latency and polling behavior.
  • •Features QMK/VIA support, allowing for custom keymaps and macros that can improve gaming workflows.
  • •Includes N-key rollover and a multi-function knob that can be programmed for in-game controls.
  • •Offers a 75% layout with dedicated function row keys, often preferred for quick access in games.
OfficeYunzii B75 Pro Max
  • •B75 Pro Max's 75% layout with an 81-key count and dedicated function row is more suited for spreadsheet navigation and shortcuts.
  • •The TFT screen provides instant visual feedback for battery level, date, and system status, useful for productivity.
  • •An 8000mAh battery ensures much longer runtime between charges during the workday.
  • •QMK/VIA support allows for complex macros to automate repetitive office tasks.
ProgrammingYunzii B75 Pro Max
  • •QMK/VIA support is critical for programmers who want to fully customize layers and keymaps for coding efficiency.
  • •The 75% layout retains a dedicated row for function keys, which some developers use for debugging or IDE shortcuts.
  • •Features double-shot PBT keycaps which are more durable against heavy use compared to dye-sub PBT.
TravelYunzii AL66
  • •The AL66 is a more compact 65% layout (66 keys) with smaller dimensions (322mm width vs 334mm), making it easier to pack.
  • •Weighs slightly more (1145g vs 993g), but its smaller footprint may offset this in a bag.
  • •The all-aluminum CNC case provides superior protection for the keyboard during transport.
  • •Lower battery capacity (4600mAh) but is still sufficient for a day's work on the go.
ModdingYunzii AL66
  • •The AL66 uses a CNC machined aluminum case and a slotted polycarbonate plate, offering a premium platform for modifications.
  • •Includes internal sound dampening in the form of Poron sandwich foam, Poron socket foam, and PET sound pads.
  • •Hot-swap sockets support both 3-pin and 5-pin switches, giving modders flexibility in switch choice.
  • •The metal knob can be reprogrammed to control RGB or volume, adding a layer of customizability.
Content CreationYunzii B75 Pro Max
  • •The B75 Pro Max's programmable TFT screen can display custom images or GIFs, offering a unique aesthetic for video backgrounds or streams.
  • •QMK/VIA enables creation of complex shortcuts for video editing software like Premiere Pro or DaVinci Resolve.
  • •Large 8000mAh battery allows for untethered operation during long editing sessions or shoots.
  • •The multi-function knob can be set to control timeline scrubbing or volume in editing apps.

Frequently Asked Questions (FAQ)

Discover similar products

You might also like similar products in that price range:

96
$54
Keychron V3 QMK Custom Mechanical Keyboard ISO Layout Collection
Keychron V3
80%,
Hotswap,
Wired,
RGB/ White LEDs,
Knob,
VIA,
QMK,
Tray Mount

75
$66
YUNZII B75 Pro Wireless Mechanical Keyboard - ISO Layout
Yunzii B75 Pro
75%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
Gasket Mount

New
$84
YUNZII IF68 QMK/VIA Wireless Mechanical Keyboard
Yunzii IF68
65%,
Hotswap,
Wireless,
Screen,
RGB,
Knob,
VIA,
QMK,
Gasket Mount

93
$62
Keychron K6 Pro QMK/VIA Wireless Mechanical Keyboard ISO Layout Collection
Keychron K6 Pro
65%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

79
$59
CIDOO ABM066 Alice Mechanical Keyboard
Cidoo ABM066 Alice
65%,
Hotswap,
Wireless,
Screen,
RGB,
Knob,
VIA,
Gasket Mount

94
$67
Keychron K2 Pro QMK/VIA Wireless Mechanical Keyboard
Keychron K2 Pro
75%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

-10% off
76
$86$77
Gamakay TK75HE V2 Hall Effect keyboard 8K Polling Rate 0.005mm RT Accuracy
Gamakay TK75HE V2
75%,
Hotswap,
Wireless,
Screen,
RGB,
Knob,
HE,
Rapid trigger,
Top Mount

93
$59
Keychron Q2 QMK Custom Mechanical Keyboard
Keychron Q2
65%,
Hotswap,
Wired,
RGB,
Knob,
VIA,
QMK,
Alu case,
Gasket Mount

77
$45
YUNZII B75 Wired RGB Mechanical Keyboard
Yunzii B75
75%,
Hotswap,
Wired,
RGB,
Knob,
Gasket Mount

92
$59
Keychron Q4 QMK Custom Mechanical Keyboard
Keychron Q4
60%,
Hotswap,
Wired,
RGB,
Knob,
VIA,
QMK,
Alu case,
Gasket Mount