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

Compare Yunzii AL66 vs B75 Pro Differences Side by Side

This comparison is for buyers deciding between two popular Yunzii wireless keyboards. The choice is difficult because both offer tri-mode connectivity, gasket mounts, and hot-swap sockets at a similar price. The core trade-off is between the ultra-compact 65% form factor of the AL66 and the more versatile 75% layout of the B75 Pro, which includes dedicated function and navigation keys.

76
YUNZII AL66 Knob CNC Aluminum Wireless Mechanical Keyboard
75
YUNZII B75 Pro Wireless Mechanical Keyboard - ISO Layout

Select a keyboard to compare

0.0 (0)
0.0 (0)
  • Released in 2023
  • Has Clicky switch options
  • Available in a 65% layout
  • Built with the ANSI layout standard
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 4600 mAh battery
  • Weighs about 1145 g
  • Sized at 42 x 113 x 322 mm
  • Made with a Aluminum case
  • Features PBT keycaps
  • Released in 2024
  • Has Linear, Clicky, Tactile switch options
  • Available in a 75% layout
  • Built with the ISO, ANSI, Dvorak layout standard
  • Includes screw-in stabilizers
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless, connectivity
  • Runs at a 4000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 937 g
  • Sized at 42 x 334 x 144 mm
  • Made with a Plastic case
  • Features PBT, PC keycaps
Scores
  • Performance: 54.9
  • Build Quality: 68.4
  • Productivity: 75.6
  • Customizability: 82.2
  • Portability: 88
Scores
  • Performance: 75
  • Build Quality: 60.8
  • Productivity: 91.2
  • Customizability: 78.9
  • Portability: 80.5
Name
Yunzii AL66
Name
Yunzii B75 Pro
Release year
2023
Release year
2024
Switch Options
Clicky
Switch Options
Linear, Clicky, Tactile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ISO, ANSI, Dvorak
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
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless,
Polling Rate
-
Polling Rate
4000 Hz
Battery capacity
4600 mAh
Battery capacity
4000 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
Plastic
Keycaps Material
PBT
Keycaps Material
PBT, PC
Dimensions
42 x 113 x 322 mm
Dimensions
42 x 334 x 144 mm
Weight
1145g
Weight
937g
*Something incorrect or missing? Please
let me know
!

Pros and Trade-offs

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.

Yunzii AL66

  • +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.
  • +CNC machined aluminum case with a slotted polycarbonate plate.
  • +Includes side case lighting in addition to south-facing RGB.
  • −Lacks dedicated arrow and function keys, requiring layer use.
  • −Heavier weight may reduce portability despite smaller size.
  • −Only supports ANSI layout, not ISO.
  • −No vendor-specified high polling rate for gaming.

Yunzii B75 Pro

  • +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.
  • +Vendor description mentions programmable software for key remapping and macros.
  • +Includes screw-in stabilizers, which typically offer better tuning than plate-mount.
  • −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.
  • −Case material is not explicitly stated in the provided metadata.

Which Keyboard Is Better for Your Needs?

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.

GamingYunzii 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.
OfficeYunzii B75 Pro
  • •The 75% layout includes dedicated function keys and navigation keys, reducing reliance on key combinations.
  • •The vendor description states the knob can quickly adjust volume, a useful office feature.
  • •It supports both ANSI and ISO layouts, offering broader compatibility.
ProgrammingYunzii B75 Pro
  • •The dedicated arrow keys and navigation cluster are crucial for code editing.
  • •The inclusion of function keys can be used for IDE shortcuts.
  • •The larger layout provides more immediate key access compared to a 65% board.
TravelYunzii AL66
  • •The AL66 has a significantly smaller footprint (322mm length vs 334mm).
  • •It is heavier (1145g vs 937g), which may aid stability but is a minor trade-off for the size reduction.
  • •Its 65% layout is the most space-efficient option of the two.
ModdingYunzii AL66
  • •The AL66's vendor description details specific sound-dampening materials like Poron sandwich foam, Poron socket foam, and PET sound pads.
  • •It uses a slotted polycarbonate plate which can affect sound and flex.
  • •Both boards are hot-swappable, but the AL66's build is explicitly documented for modders.
Content CreationTie
  • •Both have a multifunction knob for controlling volume or scrubbing timelines.
  • •Both feature south-facing RGB lighting.
  • •The choice depends on personal preference for the AL66's desk space savings versus the B75 Pro's immediate key access for shortcuts.

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

84
$72
YUNZII B75 PRO MAX QMK/VIA Knob TFT Screen Wireless Mechanical Keyboard
Yunzii B75 Pro Max
75%,
Hotswap,
Wireless,
Screen,
RGB,
Knob,
VIA,
QMK,
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

97
$59
Keychron Q3 QMK Custom Mechanical Keyboard
Keychron Q3
80%,
Hotswap,
Wired,
RGB,
Knob,
VIA,
QMK,
Alu case,
Gasket Mount

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

94
$59
Keychron K8 Pro QMK/VIA Wireless Mechanical Keyboard
Keychron K8 Pro
80%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

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

86
$70
Akko 5075B Plus 75% Hotswap Wireless RGB Keyboard
Akko 5075B Plus
75%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
Gasket Mount

71
$55
YUNZII AL71 Full Aluminum Mechanical Keyboard
Yunzii AL71
68%,
Hotswap,
Wireless,
Wired,
RGB,
Alu case,
Gasket Mount